HP 510 Service Manual

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HP 510 Notebook PC
Maintenance and Service Guide
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© Copyright 2006 Hewlett-Packard Development Company, L.P.
Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. Intel, Pentium, and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license.
The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare parts; on troubleshooting computer problems; and on performing computer disassembly procedures.
First Edition: December 2006
Document Part Number: 441658-001
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Table of contents
1 Product description
2 External component identification
Top components ................................................................................................................................... 4
Pointing devices ................................................................................................................... 4
Keys ..................................................................................................................................... 5
Buttons and lights ................................................................................................................ 6
Front components ................................................................................................................................ 7
Right-side components ......................................................................................................................... 8
Left-side components ........................................................................................................................... 9
Bottom components ........................................................................................................................... 10
3 Unknown user password
4 Illustrated parts catalog
Serial number location ........................................................................................................................ 12
Computer major components ............................................................................................................. 13
Display assembly components ........................................................................................................... 16
Plastics/Hardware Kit ......................................................................................................................... 17
Mass storage devices ......................................................................................................................... 18
Miscellaneous parts ............................................................................................................................ 19
Sequential part number listing ............................................................................................................ 20
5 Removal and replacement procedures
Preliminary replacement requirements ............................................................................................... 23
Tools required .................................................................................................................... 23
Service considerations ....................................................................................................... 23
Plastic parts ....................................................................................................... 23
Cables and connectors ..................................................................................... 23
Drive handling ................................................................................................... 24
Grounding guidelines ......................................................................................................... 24
Electrostatic discharge damage ........................................................................ 24
Packaging and transporting guidelines ............................................. 26
Workstation guidelines ..................................................................... 26
Equipment guidelines ....................................................................... 27
Component replacement procedures ................................................................................................. 28
Serial number .................................................................................................................... 28
Battery ............................................................................................................................... 29
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6 Computer Setup
Computer Setup access ..................................................................................................................... 65
Computer Setup defaults .................................................................................................................... 66
Computer Setup menus ..................................................................................................................... 67
Hard drive .......................................................................................................................... 30
Computer feet .................................................................................................................... 32
Memory module ................................................................................................................. 32
Mini PCI card module ........................................................................................................ 34
Optical drive ....................................................................................................................... 36
Switch cover ...................................................................................................................... 38
Keyboard ........................................................................................................................... 40
Button board ...................................................................................................................... 43
Display assembly ............................................................................................................... 44
Base enclosure .................................................................................................................. 49
RTC battery ....................................................................................................................... 51
Fan assembly .................................................................................................................... 52
Heat sink ............................................................................................................................ 53
Processor ........................................................................................................................... 55
Speaker ............................................................................................................................. 56
System board ..................................................................................................................... 58
PC Card assembly ............................................................................................................. 61
TouchPad cable ................................................................................................................. 63
7 Specifications
Computer specifications ..................................................................................................................... 70
15.4-inch, WXGA display specifications ............................................................................................. 71
Hard drive specifications .................................................................................................................... 72
Primary 4-cell, Li-ion battery specifications ........................................................................................ 73
DVD±RW and CD-RW Super Multi Double-Layer Combo Drive specifications ................................. 74
DVD±RW/R and CD-RW Double-Layer Combo Drive specifications ................................................. 75
System DMA specifications ................................................................................................................ 76
System interrupt specifications ........................................................................................................... 77
System I/O address specifications ..................................................................................................... 78
System memory map specifications ................................................................................................... 80
8 Screw listing
Phillips PM2.5×6.0 captive screw ....................................................................................................... 82
Phillips PM3.0×3.0 screw ................................................................................................................... 83
Phillips PM2.0×9.0 screw ................................................................................................................... 84
Phillips PM2.0×3.0 screw ......................................................................................................
Phillips PM2.0×2.0 screw ................................................................................................................... 90
Phillips PM2.0×7.0 screw ................................................................................................................... 91
Phillips PM2.5×6.0 screw ................................................................................................................... 92
Phillips PM2.5×4.0 screw ................................................................................................................... 94
............. 87
9 Backup and recovery
Backup ............................................................................................................................................... 95
Safeguarding your data ..................................................................................................... 95
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Backing up the system ....................................................................................................... 95
Backing up specific files or folders .................................................................... 95
Backing up the entire hard drive ........................................................................................ 96
Backing up modifications made to the system ................................................................... 97
Scheduling backups ........................................................................................................... 97
Recovery ............................................................................................................................................ 97
Creating recovery discs (highly recommended) ................................................................ 98
Performing a recovery ....................................................................................................... 99
Performing a recovery from the recovery discs ................................................. 99
Performing a recovery from the hard drive ........................................................ 99
10 Connector pin assignments
Audio-out (headphone) ..................................................................................................................... 100
Audio-in (microphone) ...................................................................................................................... 100
External monitor ............................................................................................................................... 101
RJ-11 (modem) ................................................................................................................................ 102
RJ-45 (network) ................................................................................................................................ 102
Universal Serial Bus ......................................................................................................................... 103
11 Power cord set requirements
Requirements for all countries or regions ......................................................................................... 104
Requirements for specific countries or regions ................................................................................ 105
Initiating a recovery in Windows ....................................................... 99
Initiating a recovery from the hard drive recovery partition ............... 99
12 Recycling
Battery .............................................................................................................................................. 106
Display .............................................................................................................................................. 107
Index ................................................................................................................................................................. 113
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1 Product description

Category Description System
board
910GML without wireless local area network (WLAN)
Product Name HP 510 Notebook PC
Processors Intel® Pentium® M 770 (2.13-GHz) Processor 533-MHz front
side bus (FSB), 1-MB L2 cache, socketed
Intel Celeron® M 360 (1.40-GHz) Processor 400-MHz FSB,
512-KB L2 cache, socketed
Chipset Intel 915GM
Intel 910GML
Southbridge: Intel ICH-6M
Graphics UMA
Panels 15.4-inch, WXGA (16:10 aspect ratio) BrightView with wireless
antenna transceivers and cables
15.4-inch, WXGA (16:10 aspect ratio) BrightView without wireless antenna transceivers and cables
System board
910GML with WLAN
System board
915GM with WLAN
Memory
256-MB total system memory (256-MB × 1)
512-MB total system memory (512-MB × 1)
1024-MB total system memory (1024-MB × 1)
Hard drives
60-GB, 5400-rpm
40-GB, 4200-rpm √√√
One SODIMM slot
Customer accessible/upgradable
DDRII PC2-4200 (533 MHz)
Supports all 9.5-mm, 2.5-inch hard drives
Parallel ATA
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Category Description System
board
System board
System board
910GML without wireless local area network (WLAN)
Optical drives (fixed)
DVD±RW and CD-RW Super Multi Double-Layer Combo Drive
DVD±RW/R and CD-RW Double-Layer Combo Drive
Diskette drive Supports external USB drive only
Audio
Modem
Ethernet
12.7-mm tray load
Parallel ATA
Fixed, no modular requirements (1 screw removal)
Conexant CX20468
Single speaker
Headphone and microphone jacks
Conexant CX20493 (Ultima HD2.0)
Modem cable included
Intel 82562V
910GML with WLAN
915GM with WLAN
Ethernet cabel included
S4/S5 wake on LAN
Wireless Integrated wireless options by way of Mini PCI card:
Option for no wireless
WLAN antennae (2, configured in display assembly)
Intel 2200 802.11b/g
External media card
Ports
Docking Docking support
One Type I/II PC Card slot, 16-bit PCMCIA and 32-bit CardBus
VGA (Dsub 15-pin)
USB 2.0 ports (2)
Audio-out (mono microphone)
Audio-in (stereo headphone)
2-pin AC jack
RJ-11 modem
RJ-45 Ethernet (includes link and activity LEDs
Keyboard/ pointing devices
Keyboard with embedded numeric keypad
TouchPad with 2 buttons and one-way scroll
√√√
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Category Description System
board
System board
System board
910GML without wireless local area network (WLAN)
Power requirements
65-W AC adapter with localized cable plug support (2-wire plug
Security Security cable slot
Operating system Preinstalled:
Serviceability End-user replaceable parts:
4-cell, 2.2-Ahr Li-ion battery (32 Whr)
NOTE The HP 510 Notebook PC does not support
Smart Battery technology.
with ground pin, supports 2-pin DC connector)
NOTE The HP 510 Notebook PC does not support
Smart AC adapter technology.
Microsoft® Windows® XP Home (SP2)
Microsoft Windows XP Pro (in the United States only)
FreeDOS
910GML with WLAN
915GM with WLAN
Hard drive
Memory module
Mini PCI card module
Battery (system)
AC adapter √√√
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2 External component identification

Top components

Pointing devices

Item Component Function
(1) TouchPad Moves the pointer and selects or activates items on the screen.
(2) Left TouchPad button Functions like the left button on an external mouse.
(3) Right TouchPad button Functions like the right button on an external mouse.
(4) TouchPad scroll zone Scrolls up or down.
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Keys

Item Component Function
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes frequently used system functions when pressed in
combination with a function key or the esc key.
(3) Windows logo key Displays the Windows Start menu.
(4) Windows applications key Displays a shortcut menu for items beneath the pointer.
(5) Embedded numeric keypad keys Can be used like the keys on an external numeric keypad.
(6) Function keys Execute frequently used system functions when pressed in
combination with the fn key.
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Buttons and lights

Item Component Function
(1) Caps lock light On: Caps lock is on.
(2) Internal display switch Turns off the display if the display is closed while the power is on.
(3) Wireless button (select models only) Turns the wireless feature on or off, but does not create a wireless
connection.
NOTE A wireless network must be set up in order to
establish a wireless connection.
(4) Wireless light (select models only)
(5) Power button
(6) Power light
Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is turned on.
Off: All wireless devices are turned off.
When the computer is off, press the button to turn on the
computer.
When the computer is on, press the button to enter
hibernation.
When the computer is in standby, press the button briefly to
exit standby.
When the computer is in hibernation, press the button briefly
to exit hibernation.
If the computer has stopped responding and Windows shutdown procedures cannot be used, press and hold the power button for at least 5 seconds to turn off the computer.
On: The computer is on.
Blinking: The computer is in standby.
Off: The computer is off or in hibernation.
(7) Speaker Produces sound.
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Front components

Item Component Function
(1) Wireless antennae (select models only) Send and receive signals from one or more wireless devices.
(2) Battery light
(3) Audio-out (headphone) jack Produces sound when connected to optional stereo speakers,
(4) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
On: A battery is charging.
Blinking: A battery that is the only available power source has
reached a low-battery condition. When the battery reaches a critical low-battery condition, the battery light begins to blink rapidly.
Off: If the computer is plugged into an external power source,
the light turns off when all batteries in the computer are fully charged. If the computer is not plugged into an external power source, the light stays off until the battery reaches a low­battery condition.
headphones, ear buds, or a headset.
microphone, or monaural microphone.
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Right-side components

Item Component Function
(1) Optical drive Reads an optical disc.
(2) Security cable slot Attaches an optional security cable to the computer.
NOTE The security cable is designed to act as a
deterrent, but it may not prevent the computer from being mishandled or stolen.
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Left-side components

Item Component Function
(1) Vent Enables airflow to cool internal components.
(2) RJ-11 (modem) jack (select models only) Connects a modem cable.
CAUTION To prevent overheating, do not obstruct
vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or thick rugs or clothing, to block airflow.
NOTE The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.
(3) RJ-45 (network) jack Connects a network cable.
(4) Power connector Connects an AC adapter.
NOTE The HP 510 Notebook PC does not support Smart
AC adapter technology.
(5) External monitor port Connects an optional VGA external monitor or projector.
(6) PC Card slot Supports optional Type I or Type II 32-bit (CardBus) or 16-bit PC
Cards.
(7) USB ports (2) Connect an optional USB device.
(8) PC Card eject button Ejects the PC Card from the PC Card slot.
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Bottom components

Item Component Function
(1) Battery bay Holds the battery.
NOTE The HP 510 Notebook PC does not support Smart
Battery technology.
(2) Battery release latches (2) Release the battery from the battery bay.
(3) Hard drive bay Holds the hard drive.
(4) Vent Enables airflow to cool internal components.
CAUTION To prevent overheating, do not obstruct
vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or thick rugs or clothing, to block airflow.
NOTE The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.
(5) Memory module compartment Contains the memory module slot.
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3 Unknown user password

If the computer you are servicing has an unknown user password, follow these steps to clear the password.
NOTE These steps also clear CMOS.
Before disassembling the computer, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
5. Remove the real-time clock (RTC) battery (see
6. Wait approximately 5 minutes.
7. Replace the RTC battery and reassemble the computer.
8. Connect AC power to the computer. Do not reinsert any batteries at this time.
9. Turn on the computer.
All passwords and all CMOS settings have been cleared.
Battery on page 29).
RTC battery on page 51).
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4 Illustrated parts catalog

Serial number location

When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer.
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Computer major components

Item Description Spare part number
(1) Display assemblies
15.4-inch, WXGA BrightView display assembly for use only with computer models with
wireless LAN capability (includes wireless antenna transceivers and cables)
15.4-inch, WXGA BrightView display assembly for use only with computer models
without wireless LAN capability
440716-001
440715-001
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Item Description Spare part number
(2) Switch covers
For use only with computer models with wireless LAN capability (includes wireless
button and wireless light)
For use only with computer models without wireless LAN capability 441624-001
(3) Button board 441632-001
(4) Keyboards
Belgium 438231-A41
Brazil 438531-201
The Czech Republic 438531-221
Denmark 438231-081
Europe 438531-021
France 438531-051
Germany 438231-041
Greece 438231-151
Hungary 438231-211
Israel 438531-BB1
Italy 438231-061
Latin America 438231-161
441623-001
Norway 438231-091
Poland 438231-241
Portugal 438231-131
Russia 438231-251
Saudi Arabia 438231-171
Slovakia 438231-231
Slovenia 438231-BA1
South Africa 438231-AR1
Spain 438231-071
Sweden and Finland 438231-B71
Thailand 438231-281
Turkey 438231-141
The United Kingdom 438231-031
The United States 438231-001
(5) Top cover (includes TouchPad and TouchPad cable) 441626-001
TouchPad cable (not illustrated) 441638-001
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Item Description Spare part number
(6) PC Card slot bezel 438527-001
(7) PC Card assembly 438551-001
(8) RTC battery 438556-001
Plastics/Hardware Kit 441630-001
(9a) Memory/Mini PCI card module cover (includes 1 captive screw, secured by a C-clip)
(9b) Hard drive cover (includes 2 captive screws, secured by C-clips)
(10) Heat sink (includes thermal paste) 438529-001
(11) Fan assembly 438528-001
(12) Processors (include thermal paste)
Intel Pentium M 770 2.13-GHz processor 440717-001
Intel Celeron M 360 1.40-GHz processor 438554-001
(13) Base enclosure (includes 6 rubber feet, not illustrated) 441625-001
Rubber Feet Kit (includes 6 rubber feet, not illustrated) 438557-001
(14) 802.11b/g Mini PCI card WLAN module for use in the countries or regions listed
below. These countries or regions are categorized as most of the world (MOW):
Argentina, Brazil, Canada, Chile, Mexico, Taiwan, the United States
Australia, Austria, Belarus, Belgium, Brunei, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia,
(15)
PC2-4200, 512-MB 438546-001
PC2-4200, 256-MB 438545-001
(16) Speaker 441627-001
(17) System boards
For use only with full-featured computer models 441635-001
For use only with defeatured computer models with wireless LAN capability 441636-001
For use only with defeatured computer models without wireless LAN capability 441637-001
802.11b/g Mini PCI card WLAN module for use in the countries or regions listed below. These countries or regions are categorized as the rest of the world (ROW):
Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Japan, Jordan, Kuwait, Latvia, Lithuania, Luxembourg, Malaysia, the Netherlands, New Zealand, Norway, Pakistan, the People's Republic of China, the Philippines, Poland, Portugal, Romania, Russia, Saudi Arabia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Thailand, Turkey, the United Arab Emirates, the United Kingdom, Ukraine
Memory modules, 1-DIMM
390501-001
390501-002
(18) Optical drive connector board 441631-001
(19) 4-cell, 2.2-Ahr battery 440704-001
(20) Optical drives (include bezel and optical drive bracket)
DVD±RW and CD-RW Super Multi Double-Layer Combo Drive 438523-001
DVD±RW/R and CD-RW Double-Layer Combo Drive 438524-001
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Item Description Spare part number
(21) Hard drives (include hard drive bracket and connector)
5400-rpm, 60-GB 438526-001
4200-rpm, 40-GB 438525-001

Display assembly components

Item Description Spare part number
(1) Display bezel 440706-001
(2) Display Hinge Kit 400707-001
(3) 15.4-inch, WXGA, BrightView display panel 440711-001
(4) Display inverter 441628-001
(5) Wireless Antenna Kit (includes wireless antenna transceivers and cables) 441639-001
(6) Display enclosures
For use only with computer models with wireless LAN capability (includes logo and
wireless antenna transceivers and cables)
For use only with computer models without wireless LAN capability (includes logo) 440709-001
Display Cable Kit (not illustrated) 440708-001
Display Label Kit (not illustrated) 440705-001
Display Screw Kit (not illustrated) 440714-001
Display Screw Cover Kit (not illustrated) 438542-001
440710-001
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Plastics/Hardware Kit

Item Description Spare part number
Plastics/Hardware Kit 441630-001
(1) PC Card slot bezel
(2) Hard drive cover (includes 2 captive screws, secured by C-clips)
(3) Memory/Mini PCI card module cover (includes 1 captive screw, secured by a C-clip)
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Mass storage devices

Item Description Spare part number
(1) Hard drives (include frame and connector)
5400-rpm, 60-GB 438526-001
4200-rpm, 40-GB 438525-001
(2) Optical drives (include bezel and bracket)
DVD±RW/R and CD-RW Double-Layer Combo Drive 438524-001
DVD±RW and CD-RW Super Multi Double-Layer Combo Drive 438523-001
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Miscellaneous parts

Description Spare part number
65-watt AC adapter 418872-001
Power cords:
Australia 350055-011
Brazil 350055-201
Denmark 350055-081
Europe 350055-021
French Canada 350055-DB1
Israel 350055-BB1
Italy 350055-061
Japan 350055-291
Korea 350055-AD1
People's Republic of China 350055-AA1
Switzerland 350055-BG1
The United Kingdom 350055-031
The United States 350055-001
Screw Kit
Phillips PM3.0×3.0 screw
Phillips PM2.5×6.0 captive screw
Phillips PM2.5×6.0 screw
Phillips PM2.5×4.0 screw
Phillips PM2.0×9.0 screw
Phillips PM2.0×7.0 screw
Phillips PM2.0×3.0 screw
Phillips PM2.0×2.0 screw
441629-001
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Sequential part number listing

Spare part number Description
350055-001 Power cord use in the United States
350055-011 Power cord for use in Australia
350055-021 Power cord for use in Europe
350055-031 Power cord for use in the United Kingdom
350055-061 Power cord for use in Italy
350055-081 Power cord for use in Denmark
350055-201 Power cord for use in Brazil
350055-291 Power cord for use in Japan
350055-AA1 Power cord for use in the People’s Republic of China
350055-AD1 Power cord for use in Korea
350055-BB1 Power cord for use in Israel
350055-BG1 Power cord for use in Switzerland
350055-DB1 Power cord for use in French Canada
390501-001 802.11b/g Mini PCI card WLAN module for use in the MOW countries or regions listed below:
Argentina, Brazil, Canada, Chile, Mexico, Taiwan, the United States
390501-002 802.11b/g Mini PCI card WLAN module for use in the ROW countries or regions listed below:
Australia, Austria, Belarus, Belgium, Brunei, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Japan, Jordan, Kuwait, Latvia, Lithuania, Luxembourg, Malaysia, the Netherlands, New Zealand, Norway, Pakistan, the People's Republic of China, the Philippines, Poland, Portugal, Romania, Russia, Saudi Arabia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Thailand, Turkey, the United Arab Emirates, the United Kingdom, Ukraine
418872-001 65-watt AC adapter
438523-001 DVD±RW and CD-RW Super Multi Double-Layer Combo Drive (includes bezel and optical drive
bracket)
438524-001 DVD±RW/R and CD-RW Double-Layer Combo Drive (includes bezel and optical drive bracket)
438525-001 4200-rpm, 40-GB hard drive (includes bracket and connector)
438526-001 5400-rpm, 60-GB hard drive (includes bracket and connector)
438527-001 PC Card slot bezel
438528-001 Fan assembly
438529-001 Heat sink
438531-001 Keyboard for use in the United States
438531-021 Keyboard for use internationally
438531-031 Keyboard for use in the United Kingdom
438531-041 Keyboard for use in Germany
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Spare part number Description
438531-051 Keyboard for use in France
438531-061 Keyboard for use in Italy
438531-071 Keyboard for use in Spain
438531-081 Keyboard for use in Denmark
438531-091 Keyboard for use in Norway
438531-131 Keyboard for use in Portugal
438531-141 Keyboard for use in Turkey
438531-151 Keyboard for use in Greece
438531-171 Keyboard for use in Saudi Arabia
438531-211 Keyboard for use in Hungary
438531-221 Keyboard for use in the Czech Republic
438531-231 Keyboard for use in Slovakia
438531-241 Keyboard for use in Poland
438531-251 Keyboard for use in Russia
438531-A41 Keyboard for use in Belgium
438531-AR1 Keyboard for use in South Africa
438531-B71 Keyboard for use in Sweden and Finland
438531-BA1 Keyboard for use in Slovenia
438531-BB1 Keyboard for use in Israel
438545-001 1-DIMM, PC2-4200, 256-MB memory module
438546-001 1-DIMM, PC2-4200, 512-MB memory module
438551-001 PC Card assembly
438554-001 Intel Celeron M 360 1.40-GHz processor (includes thermal paste)
438556-001 RTC battery
438557-001 Rubber Feet Kit
440704-001 4-cell, 2.2-Ahr battery
440705-001 Display Label Kit
440706-001 Display Bezel Kit
440707-001 Display Hinge Kit
440708-001 Display Cable Kit
440709-001 Display enclosure for use only with computer models without wireless LAN capability (includes logo)
440710-001 Display enclosure for use only with computer models with wireless LAN capability (includes logo and
wireless antenna transceivers and cables)
440711-001 15.4-inch WXGA BrightView display panel
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Spare part number Description
440714-001 Display Screw Kit
440715-001 15.4-inch WXGA BrightView display assembly for use only with computer models without wireless LAN
capability (includes wireless antenna transceivers and cables)
440716-001 15.4-inch WXGA BrightView display assembly for use only with computer models with wireless LAN
capability
440717-001 Intel Pentium M 770 2.13-GHz processor (includes thermal paste)
441623-001 Switch cover for use only with computer models with wireless LAN capability (includes wireless button
and wireless light)
441624-001 Switch cover for use only with computer models without wireless LAN capability
441625-001 Base enclosure (includes 6 rubber feet)
441626-001 Top cover (includes TouchPad and TouchPad cable)
441627-001 Speaker
441628-001 Display inverter
441629-001 Screw Kit
441630-001 Plastics/Hardware Kit
441631-001 Optical drive connector board
441632-001 Button board
441635-001 System board for use only with full-featured computer models
441636-001 System board for use only with defeatured computer models with wireless LAN capability
441637-001 System board for use only with defeatured computer models without wireless LAN capability
441638-001 TouchPad cable
441639-001 Wireless Antenna Kit (includes wireless antenna transceivers and cables)
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5 Removal and replacement procedures

Preliminary replacement requirements

Tools required

You will need the following tools to complete the removal and replacement procedures:
Magnetic screwdriver
Phillips P0 and P1 screwdrivers
Flat-bladed screwdriver

Service considerations

The following sections include some of the considerations that you should keep in mind during disassembly and assembly procedures.
NOTE As you remove each subassembly from the computer, place the subassembly (and all
accompanying screws) away from the work area to prevent damage.
Plastic parts
Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions.
Cables and connectors
CAUTION When servicing the computer, be sure that cables are placed in their proper locations
during the reassembly process. Improper cable placement can damage the computer.
Cables must be handled with extreme care to avoid damage. Apply only the tension required to unseat or seat the cables during removal and insertion. Handle cables by the connector whenever possible. In all cases, avoid bending, twisting, or tearing cables. Be sure that cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily.
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Drive handling
CAUTION Drives are fragile components that must be handled with care. To prevent damage
to the computer, damage to a drive, or loss of information, observe these precautions:
Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the computer on, and then shut it down through the operating system.
Before handling a drive, be sure that you are discharged of static electricity. While handling a drive, avoid touching the connector.
Before removing a diskette drive or optical drive, be sure that a diskette or disc is not in the drive and be sure that the optical drive tray is closed.
Handle drives on surfaces covered with at least one inch of shock-proof foam.
Avoid dropping drives from any height onto any surface.
After removing a hard drive, an optical drive, or a diskette drive, place it in a static-proof bag.
Avoid exposing a hard drive to products that have magnetic fields, such as monitors or speakers.
Avoid exposing a drive to temperature extremes or liquids.
If a drive must be mailed, place the drive in a bubble pack mailer or other suitable form of protective packaging and label the package “FRAGILE.”

Grounding guidelines

Electrostatic discharge damage
Electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough power to alter device parameters or melt silicon junctions.
A discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry. Even if the spark is neither felt nor heard, damage may have occurred.
An electronic device exposed to ESD may not be affected at all and can work perfectly throughout a normal cycle. Or the device may function normally for a while, then degrade in the internal layers, reducing its life expectancy.
CAUTION To prevent damage to the computer when you are removing or installing internal
components, observe these precautions:
Keep components in their electrostatic-safe containers until you area ready to install them.
Use nonmagnetic tools.
Before touching an electronic component, discharge static electricity by using the guidelines described in this section.
Avoid touching pins, leads, and circuitry. Handle electronic components as little as possible.
If you remove a component, place it in an electrostatic-safe container.
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The following table shows how humidity affects the electrostatic voltage levels generated by different activities.
CAUTION A product can be degraded by as little as 700 V.
Typical electrostatic voltage levels
Event 10% 40% 55%
Walking across carpet 35,000 V 15,000 V 7,500 V
Walking across vinyl floor 12,000 V 5,000 V 3,000 V
Motions of bench worker 6,000 v 800 V 400 V
Removing DIPS from plastic tube 2,000 V 700 V 400 V
Removing DIPS from vinyl tray 11,500 V 4,000 V 2,000 V
Removing DIPS from Styrofoam 14,500 V 5,000 V 3,500 V
Removing bubble pack from PCB 26,500 V 20,000 V 7,000 V
Packing PCBs in foam-lined box 21,000 V 11,000 V 5,000 V
Relative humidity
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Packaging and transporting guidelines
Follow these grounding guidelines when packaging and transporting equipment:
To avoid hand contact, transport products in static-safe tubes, bags, or boxes.
Protect ESD-sensitive parts and assemblies with conductive or approved containers or packaging.
Keep ESD-sensitive parts in their containers until the parts arrive at static-free workstations.
Place items on a grounded surface before removing items from their containers.
Always be properly grounded when touching a component or assembly.
Store reusable ESD-sensitive parts from assemblies in protective packaging or nonconductive
foam.
Use transporters and conveyors made of antistatic belts and roller bushings. Be sure that
mechanized equipment used for moving materials is wired to ground and that proper materials are selected to avoid static charging. When grounding is not possible, use an ionizer to dissipate electric charges.
Workstation guidelines
Follow these grounding workstation guidelines:
Cover the workstation with approved static-shielding material.
Use a wrist strap connected to a properly grounded work surface and use properly grounded tools
and equipment.
Use conductive field service tools, such as cutters, screwdrivers, and vacuums.
When fixtures must directly contact dissipative surfaces, use fixtures made only of static-safe
materials.
Keep the work area free of nonconductive materials, such as ordinary plastic assembly aids and
Styrofoam.
Handle ESD-sensitive components, parts, and assemblies by the case or PCM laminate. Handle
these items only at static-free workstations.
Avoid contact with pins, leads, or circuitry.
Turn off power and input signals before inserting or removing connectors or test equipment.
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Equipment guidelines
Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation.
When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps
with a minimum of one megohm ±10% resistance in the ground cords. To provide proper ground, wear a strap snugly against the skin at all times. On grounded mats with banana-plug connectors, use alligator clips to connect a wrist strap.
When standing, use foot straps and a grounded floor mat. Foot straps (heel, toe, or boot straps)
can be used at standing workstations and are compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use foot straps on both feet with a minimum of one megohm resistance between the operator and ground. To be effective, the conductive strips must be worn in contact with the skin.
The following grounding equipment is recommended to prevent electrostatic damage:
Antistatic tape
Antistatic smocks, aprons, and sleeve protectors
Conductive bins and other assembly or soldering aids
Nonconductive foam
Conductive tabletop workstations with ground cords of one megohm resistance
Static-dissipative tables or floor mats with hard ties to the ground
Field service kits
Static awareness labels
Material-handling packages
Nonconductive plastic bags, tubes, or boxes
Metal tote boxes
Electrostatic voltage levels and protective materials
The following table lists the shielding protection provided by antistatic bags and floor mats.
Material Use Voltage protection level
Antistatic plastic Bags 1,500 V
Carbon-loaded plastic Floor mats 7,500 V
Metallized laminate Floor mats 5,000 V
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Component replacement procedures

This chapter provides removal and replacement procedures.
There are as many as 56 screws, in 6 different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw and screw lock size and location during removal and replacement.

Serial number

Report the computer serial number to HP when requesting information or ordering spare parts. The serial number is located on the bottom of the computer.
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Battery

Description Spare part number
4-cell, 2.2-Ahr battery 440704-001
Before disassembling the computer, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
Remove the battery:
1. Turn the computer upside down, with the rear panel toward you.
2. Slide the battery release latches (1) toward the inside of the computer. (The battery disengages
from the computer.)
3. Remove the battery (2) by pulling it straight back and away from the computer.
Install the battery by inserting it into the battery bay until you hear an audible click.
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Hard drive

Description Spare part number
5400-rpm, 60-GB 438526-001
4200-rpm, 40-GB 438525-001
Before disassembling the computer, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
computer on, and then shut it down through the operating system.
4. Remove the battery (see
Battery on page 29).
Remove the hard drive:
1. Position the computer with the front toward you.
2. Loosen the two Phillips PM2.5×6.0 screws (1) that secure the hard drive cover to the computer.
3. Lift the left side of the hard drive cover (2) and swing it to right.
4. Remove the hard drive cover.
NOTE The hard drive cover is included in the Plastics/Hardware Kit, spare part number
441630-001.
5. Grasp the Mylar tab (1) on the hard drive and pull the hard drive (2) to the left to disconnect it from
the system board.
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6. Remove the hard drive (3) from the hard drive bay.
7. If it is necessary to remove the hard drive bracket from the hard drive, remove the four Phillips
PM3.0×3.0 hard drive bracket screws (1) from each side of the hard drive.
8. Lift the bracket (2) straight up to remove it from the hard drive.
Reverse this procedure to reassemble and install the hard drive.
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Computer feet

Description Spare part number
Rubber Feet Kit 438557-001
The computer feet are adhesive-backed rubber pads.

Memory module

Description Spare part number
1-DIMM, PC2-4200, 512-MB 438546-001
1-DIMM, PC2-4200, 256-MB 438545-001
Before removing the memory module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Remove the external memory module:
1. Position the computer with the rear panel toward you.
2. Loosen the Phillips PM2.5×6.0 screw (1) that secures the memory/Mini PCI card module
compartment cover to the computer.
Battery on page 29).
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3. Lift the front edge of the cover (2) and swing it toward you.
4. Remove the memory/Mini PCI card module compartment cover.
NOTE The memory/Mini PCI card module compartment cover is included in the Plastics/
Hardware Kit, spare part number 441630-001 .
5. Spread the retaining tabs (1) on each side of the memory module socket to release the memory
module. (The edge of the module opposite the socket rises away from the computer.)
6. Remove the memory module (2) by pulling the module away from the socket at an angle.
NOTE Memory modules are designed with a notch (3) to prevent incorrect installation into
the memory module socket.
Reverse this procedure to install a memory module.
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Mini PCI card module

Description Spare part number
802.11b/g Mini PCI card WLAN module for use in the MOW countries or regions listed below. 390501-001
Argentina
Brazil
802.11b/g Mini PCI card WLAN module for use in the ROW countries or regions listed below. 390501-002
Australia
Austria
Belarus
Belgium
Brunei
Bulgaria
Croatia
Cyprus
The Czech Republic
Denmark
Estonia
Finland
France
Germany
Canada
Chile
Greece
Hong Kong
Hungary
Iceland
India
Indonesia
Ireland
Israel
Italy
Japan
Jordan
Kuwait
Latvia
Lithuania
Mexico
Taiwan
Luxembourg
Malaysia
The Netherlands
New Zealand
Norway
Pakistan
The People's Republic of China
The Philippines
Poland
Portugal
Romania
Russia
Saudi Arabia
Singapore
The United States
Slovakia
Slovenia
South Africa
South Korea
Spain
Sri Lanka
Sweden
Switzerland
Thailand
Turkey
The United Arab Emirates
The United Kingdom
Ukraine
Before removing the Mini PCI card module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
5. Remove the memory/Mini PCI card module compartment cover (see
Battery on page 29).
Memory module
on page 32).
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Remove the Mini PCI card module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE The wireless antenna cables are available in the Wireless Antenna Kit, spare part
number 441639-001.
NOTE The black WLAN antenna cable is connected to the WLAN module “Main” terminal.
The gray WLAN antenna cable is connected to the WLAN module “Aux” terminal.
2. Spread the retaining tabs (2) on each side of the Mini PCI card module socket to release the Mini
PCI card module. (The edge of the module opposite the socket rises away from the computer.)
3. Remove the Mini PCI card module (3) by pulling the module away from the socket at an angle.
NOTE Mini PCI card modules are designed with a notch (4) to prevent incorrect
installation.
Reverse this procedure to install a Mini PCI card module.
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Optical drive

NOTE All optical drive spare part kits include an optical drive bezel and optical drive bracket.
Description Spare part number
DVD±RW and CD-RW Super Multi Double-Layer Combo Drive 438523-001
DVD±RW/R and CD-RW Double-Layer Combo Drive 438524-001
Before removing the optical drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
5. Remove the memory/Mini PCI card module compartment cover (see
Battery on page 29).
Memory module
on page 32).
Remove the optical drive:
1. Position the computer with left side toward you.
2. Remove the Phillips PM2.0×9.0 screw (1) that secures the optical drive to the computer.
3. Use a flat-bladed tool to push the metal tab (2) toward the left side of the computer. (The optical
drive partially removes from the optical drive bay.)
4. Remove the optical drive (3) from the computer.
5. If it is necessary to replace the optical drive bracket, remove the two Phillips PM2.0×3.0 screws
(1) that secure the bracket to the optical drive.
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6. Remove the optical drive bracket (2).
Reverse this procedure to reassemble and install the optical drive.
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Switch cover

Description Spare part number
For use only with computer models with wireless LAN capability (includes wireless button and wireless light)
For use only with computer models without wireless LAN capability 441624-001
441623-001
Before removing the switch cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
Remove the switch cover:
1. Turn the computer upside down, with the rear panel toward you.
2. Remove the seven Phillips PM2.0×9.0 screws (1) and the four Phillips PM2.0×2.0 screws (2) that
secure the switch cover to the computer.
3. Turn the computer display-side up, with front toward you.
4. Open the computer as far as possible.
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5. Lift the rear edge of the switch cover and swing it forward.
6. Remove the switch cover.
Reverse this procedure to install the switch cover.
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Keyboard

Description
Belgium
The Czech Republic
Denmark
Europe
France
Germany
Greece
Hungary
Israel
Italy
Norway
Poland
438531-A41
438531-221
438531-081
438531-021
438531-051
438531-041
438531-151
438531-211
438531-BB1
438531-061
438531-091
438531-241
Portugal
Russia
Saudi Arabia
Slovakia
Slovenia
South Africa
Spain
Sweden and Finland
Turkey
The United Kingdom
The United States
438531-131
438531-251
438531-171
438531-231
438531-BA1
438531-AR1
438531-061
438531-B71
438531-141
438531-031
438531-001
Before removing the keyboard, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the memory/Mini PCI card module compartment cover (see
on page 32).
6. Remove the switch cover (see
Switch cover on page 38).
Remove the keyboard:
1. Position the computer with the front toward you.
Memory module
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2. Remove the two Phillips PM2.0×9.0 screws that secure the keyboard to the computer.
3. Turn the computer display-side up, with the front toward you.
4. Open the computer as far as possible.
5. Lift the rear edge of the keyboard and swing it toward you until it rests on the palm rest.
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6. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached and
disconnect the keyboard cable (2) from the system board.
7. Remove the keyboard.
Reverse this procedure to install the keyboard.
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Button board

Description Spare part number
Button board 441631-001
Before removing the button board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
5. Remove the memory/Mini PCI card module compartment cover (see
Battery on page 29).
Memory module
on page 32).
6. Remove the following components:
a. Switch cover (see
b. Keyboard (see
Switch cover on page 38)
Keyboard on page 40)
Remove the button board:
1. Release the ZIF connector (1) to which the button board cable is connected and disconnect the
cable (2) from the system board.
2. Remove the Phillips PM2.0×3.0 screw (3) that secures the button board to the computer.
3. Remove the button board (4).
Reverse this procedure to reassemble and install the button board.
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Display assembly

Description Spare part number
15.4-inch, WXGA BrightView display assembly for use only with computer models with wireless LAN capability (includes wireless antenna transceivers and cables)
15.4-inch, WXGA BrightView display assembly for use only with computer models without wireless LAN capability
440716-001
440715-001
Before removing the display assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
5. Remove the memory/Mini PCI card module compartment cover (see
Battery on page 29).
Memory module on page 32) and disconnect the wireless antenna cables from the Mini PCI card module (see Mini PCI card module on page 34).
6. Remove the following components:
a. Switch cover (see
b. Keyboard (see
Switch cover on page 38)
Keyboard on page 40)
Remove the display assembly:
1. Close the computer and turn it upside down with the rear panel toward you.
2. Remove the two Phillips PM2.0×7.0 screws that secure the display assembly to the computer.
3. Turn the computer display-side up, with the front toward you.
4. Open the computer until the display assembly is in an upright position.
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5. Disconnect the display cable connector (1) from the system board and remove the display cable
(2) from the clips and routing channel built into the top cover.
6. Remove the wireless antenna cables (3) from the clips and routing channel built into the top cover.
7. Remove the two Phillips PM2.0×9.0 screws (4) that secure the display assembly to the computer.
8. Lift the display assembly straight up and remove it.
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9. If it is necessary to replace any of the display assembly internal subcomponents, remove the
following display bezel screw covers and screws:
(1) Four round rubber screw covers on the top edge of the display bezel
(2) Four flat rubber screw covers on the bottom edge of the display bezel
(3) Eight Phillips PM2.5×6.0 screws
NOTE The display bezel screw covers are available in the Display Screw Cover Kit, spare
part number DSCK-001. All screws used to secure display assembly internal subcomponents are available in the Display Screw Kit, spare part number 404714-001.
10. Flex the inside edges of the left and right sides (1) of the display bezel and the inside edges of the
top and bottom sides (2) of the display bezel until the bezel disengages from the display assembly.
11. Remove the display bezel (3).
NOTE The display bezel is available using spare part number 440706-001.
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12. If it is necessary to replace the display inverter, disconnect the display panel cable (1) and the
backlight cable (2) from the inverter.
13. Remove the display inverter (3).
NOTE The display inverter is available using spare part number 441628-001.
14. If it is necessary to replace the display panel, remove the four Phillips PM2.5×6.0 screws (1) that
secure the panel to the display enclosure.
15. Remove the display panel (2).
NOTE The display panel is available using spare part number 440711-001.
16. If it is necessary to replace either of the display hinges, remove the four Phillips PM2.0×3.0 screws
(1) that secure each hinge to the display panel.
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17. Remove the display hinges (2).
NOTE The display hinges are available in the Display Hinge Kit, spare part number
440707-001.
18. If it is necessary to replace the wireless antenna transceivers, remove the Phillips PM2.5×4.0
screws (1) that secure each transceiver (2) to the display enclosure.
NOTE The wireless antenna transceivers are also attached to the display enclosure with
a thin layer of adhesive. It may be necessary to use a flat-bladed tool to pry the transceivers away from the display enclosure.
19. Remove the wireless antenna transceivers (2) and cables (3) from the display enclosure.
NOTE The wireless antenna cables are attached to the display enclosure by a series of
pliable tabs (4) built into the enclosure shielding. Lift the tabs to release the cables.
NOTE The wireless antenna transceivers and cables are available in the Wireless Antenna
Kit, spare part number 441639-001.
Reverse this procedure to reassemble and install the display assembly.
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Base enclosure

Description Spare part number
Base enclosure 441625-001
Before removing the base enclosure, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
e. Keyboard (see
f. Display assembly (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
Switch cover on page 38)
Keyboard on page 40)
Display assembly on page 44)
Remove the base enclosure:
1. Release the ZIF connector (1) to which the TouchPad cable is attached and disconnect the
TouchPad cable (2) from the system board.
2. Turn the computer upside down, with the front toward you.
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3. Remove the two Phillips PM2.0×3.0 screws (1) and the twelve Phillips PM2.0×9.0 screws (2) that
secure the base enclosure to the computer.
4. Lift the left side of the base enclosure (1) until the USB connectors (2) disengage from their
openings in the base enclosure.
5. Remove the base enclosure.
Reverse this procedure to install the base enclosure.
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RTC battery

Description Spare part number
RTC battery 438556-001
Before removing the RTC battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
Switch cover on page 38)
Keyboard on page 40)
Display assembly on page 44)
Base enclosure on page 49)
Remove the RTC battery:
Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket.
Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the “+” sign facing up.
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Fan assembly

Description Spare part number
Fan assembly 438528-001
Before removing the fan assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
Switch cover on page 38)
Keyboard on page 40)
Display assembly on page 44))
Base enclosure on page 49)
Remove the fan assembly:
1. Disconnect the fan cable (1) from the system board.
2. Remove the Phillips PM2.0×9.0 screw (2) that secures the fan assembly to the top cover.
3. Remove the fan assembly (3).
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Reverse this procedure to install the fan assembly.
The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software applications. Exhaust air is displaced through the ventilation grill located on the left side of the computer.

Heat sink

Description Spare part number
Heat sink (includes thermal paste) 438529-001
Before removing the heat sink, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
2. Disconnect all external devices connected to the computer.
NOTE To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the left
and right sides of the computer.
computer on, and then shut it down through the operating system.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
d. Switch cover (see Switch cover on page 38)
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
h. Fan assembly (see
Keyboard on page 40)
Display assembly on page 44)
Base enclosure on page 49)
Fan assembly on page 52)
Remove the heat sink:
1. Remove the four Phillips PM2.5×6.0 screws (1) that secure the heat sink to the system board.
2. Slide the heat sink (2) to the left until the right side of the heat sink clears the top cover.
NOTE Due to the adhesive quality of the thermal paste located between the heat sink and
processor, it may be necessary to move the heat sink from side to side to detach the heat sink from the processor.
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3. Lift the left side of the heat sink (3) and remove it.
NOTE The thermal paste should be thoroughly cleaned from the surfaces of the processor
(1) and heat sink (2) each time the heat sink is removed. Thermal paste is included with all
heat sink and processor spare part kits.
Reverse this procedure to install the heat sink.
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Processor

Description Spare part number
Intel Pentium M 770 2.13-GHz processor 440717-001
Intel Celeron M 360 1.40-GHz processor 438554-001
Before removing the processor, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
NOTE All processor spare part kits include thermal paste.
computer on, and then shut it down through the operating system.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
h. Fan assembly (see
i. Heat sink (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
Switch cover on page 38)
Keyboard on page 40)
Display assembly on page 44)
Base enclosure on page 49)
Fan assembly on page 52)
Heat sink on page 53)
Remove the processor:
1. Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn counterclockwise
until you hear a click.
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2. Lift the processor (2) straight up and remove it.
NOTE The gold triangle (3) on the processor should be aligned with the triangle (4)
embossed on the processor socket when you install the processor.
Reverse this procedure to install the processor.

Speaker

Before removing the speaker, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
5. Remove the following components:
Description Spare part number
Speaker 441627-001
computer on, and then shut it down through the operating system.
Battery on page 29).
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
Switch cover on page 38)
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
Keyboard on page 40)
Display assembly on page 44)
Base enclosure on page 49)
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Remove the speaker:
1. Disconnect the speaker cable (1) from the system board.
2. Remove the Phillips PM2.0×9.0 screw (2) that secures the speaker to the top cover.
3. Remove the speaker (3).
Reverse this procedure to install the speaker.
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System board

Description Spare part number
For use only with full-featured computer models 441635-001
For use only with defeatured computer models with wireless LAN capability 441636-001
For use only with defeatured computer models without wireless LAN capability 441637-001
When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:
Memory module (see
Mini PCI card module (see
RTC battery (see
Processor (see
PC Card assembly (see
Memory module on page 32)
Mini PCI card module on page 34)
RTC battery on page 51)
Processor on page 55)
PC Card assembly on page 61)
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
d. Switch cover (see
Switch cover on page 38)
e. Keyboard (see Keyboard on page 40)
f. Display assembly (see
g. Base enclosure (see
h. Fan assembly (see
i. Heat sink (see
Heat sink on page 53)
Display assembly on page 44)
Base enclosure on page 49)
Fan assembly on page 52)
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Remove the system board:
1. Remove the Phillips PM2.0×3.0 screw that secures the system board to the top cover .
2. Lift the left side of the system board (1) until it rests at an angle.
3. Flex the right side of the top cover (2) until the external monitor connector clears the opening in
the top cover.
4. Remove the system board (3) by pulling it away from the top cover at an angle until it clears the
top cover
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5. If it is necessary to replace the optical drive connector board, pull the board away from the system
board until it disconnects from the system board.
NOTE The optical drive connector board is available using spare part number 441631-001.
Reverse this procedure to install the system board.
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PC Card assembly

Description Spare part number
PC Card assembly 438551-001
PC Card slot bezel 438527-001
Before removing the PC Card assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
h. Fan assembly (see
i. Heat sink (see
Hard drive on page 30)
Memory module on page 32)
Optical drive on page 36)
Switch cover on page 38)
Keyboard on page 40)
Display assembly on page 44)
Base enclosure on page 49)
Fan assembly on page 52)
Heat sink on page 53)
j. System board (see System board on page 58)
Remove the PC Card assembly:
1. Position the system board with the PC Card eject button toward you.
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2. Remove the two Phillips PM2.0×3.0 screws that secure the PC Card assembly to the system board.
3. Turn the system board top-side up, with the PC Card eject button toward you.
4. Disengage the slots on the PC Card assembly from the tabs (1) on the PC Card connector.
5. Remove the PC Card assembly (2) from the system board.
Reverse this procedure to install the PC Card assembly.
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TouchPad cable

Description Spare part number
TouchPad cable 441638-001
Before removing the TouchPad cable, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power cord.
4. Remove the battery (see
Battery on page 29).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 30)
b. Memory/Mini PCI card module compartment cover (see
c. Optical drive (see
d. Switch cover (see
e. Keyboard (see
f. Display assembly (see
g. Base enclosure (see
h. Fan assembly (see
i. Heat sink (see
j. System board (see
Optical drive on page 36)
Switch cover on page 38)
Keyboard on page 40)
Display assembly on page 44)
Base enclosure on page 49)
Fan assembly on page 52)
Heat sink on page 53)
System board on page 58)
Remove the TouchPad cable:
1. Position the top cover with the front toward you.
Memory module on page 32)
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2. Release the ZIF connector (1) to which the TouchPad cable is connected and disconnect the
TouchPad cable (2) from the TouchPad board.
Reverse this procedure to install the TouchPad cable.
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6 Computer Setup

WARNING! Only authorized technicians trained by HP should repair this equipment. All
troubleshooting and repair procedures are detailed to allow repair at only the subassembly or module level. Because of the complexity of the individual boards and subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board. Improper repairs can create a safety hazard. Any indication of component replacement or printed wiring board modification may void any warranty or exchange allowances.

Computer Setup access

Computer Setup is a preinstalled, ROM-based utility that can be used even when the operating system is not working or will not load.
NOTE Some of the Computer Setup menu items listed in this section may not be supported by
your computer.
NOTE Pointing devices are not supported in Computer Setup. You must use the keyboard to
navigate and make selections.
NOTE An external keyboard connected by USB can be used with Computer Setup only if USB
legacy support is enabled.
The information and settings in Computer Setup are accessed from the File, Security, Diagnostics, and System Configuration menus.
To access Computer Setup:
1. Open Computer Setup by turning on or restarting the computer, and then pressing f10 while the
“F10 = ROM Based Setup” message is displayed in the lower-left corner of the screen.
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In Computer Setup, the following shortcuts are available:
To change the language, press f2.
To view navigation information, press f1.
To close open dialog boxes and return to the main Computer Setup screen esc.
2. Select the Files, Security, Diagnostics, or System Configuration menu.
3. To exit Computer Setup, choose one of the following methods:
To exit Computer Setup without saving your preferences, use the arrow keys to select File >
Ignore Changes and Exit. Then follow the instructions on the screen.
To save your preferences and exit Computer Setup, use the arrow keys to select File > Save
Changes and Exit. Then follow the instructions on the screen.
Your preferences go into effect when the computer restarts.

Computer Setup defaults

To return all settings in Computer Setup to the values that were set at the factory:
1. Open Computer Setup by turning on or restarting the computer, and then pressing f10 while the
"F10 = ROM Based Setup" message is displayed in the lower-left corner of the screen.
In Computer Setup, the following shortcuts are available:
To change the language, press f2.
To view navigation information, press f1.
To close open dialog boxes and return to the main Computer Setup screen, press esc.
2. Use the arrow keys to select File > Restore defaults, and then press enter.
3. When the confirmation dialog box opens, press f10.
4. Select the Restore defaults check box, and then press enter.
5. To confirm the restoration, press f10.
6. To save your preferences and exit Computer Setup, use the arrow keys to select File > Save
Changes and Exit. Then follow the instructions on the screen.
Your preferences go into effect when the computer restarts.
NOTE Your password and security settings are not changed when you restore the factory
default settings.
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Computer Setup menus

The menu tables in this section provide an overview of Computer Setup options.
NOTE Some of the Computer Setup menu items listed in this chapter may not be supported by
your computer.
File Menu
Select To Do This
System information
Restore defaults Replace the configuration settings in Computer Setup with factory settings.
Ignore changes and exit Cancel changes entered during the current session. Then exit and restart the
Save changes and exit Save changes entered during the current session. Then exit and restart the
View identification information for the computer and the batteries in the
system.
View specification information for the processor, cache and memory size,
system ROM, video revision, and keyboard controller version.
(Password and security settings are not changed when you restore the factory default settings.)
computer.
computer. Your changes go into effect when the computer restarts.
Security menu
Select To Do This
Setup password Enter, change, or delete a setup password.
Power-On password Enter, change, or delete a power-on password.
Password options
Enable/disable stringent security.
Enable/disable password requirement on computer restart.
DriveLock passwords
Smart Card security Enable/disable support for smart card and Java™ Card power-on
TPM Embedded Security Enable/disable support for TPM (Trusted Platform Module) Embedded
Enable/disable DriveLock on any computer hard drive.
Change a DriveLock user or master password.
NOTE DriveLock settings are accessible only when you enter
Computer Setup by turning on (not restarting) the computer.
authentication.
NOTE Power-on authentication for smart cards is supported only on
computers with optional smart card readers.
Security, which protects the computer from unauthorized access to owner functions in Embedded Security for ProtectTools. For more information, refer to the ProtectTools Security Manager Reference Guide located in Help and Support, or refer to Credential Manager for ProtectTools online Help.
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Select To Do This
System IDs Enter user-defined computer asset and ownership tag.
Disk Sanitizer Run Disk Sanitizer to destroy all existing data on the primary hard drive. The
following options are available:
Fast: Runs the Disk Sanitizer erase cycle once.
Optimum: Runs the Disk Sanitizer erase cycle 3 times.
Custom: Allows you to select the desired number of Disk Sanitizer erase
cycles from a list.
CAUTION If you run Disk Sanitizer, the data on the primary hard
drive is destroyed permanently.
Diagnostics menu
Select To Do This
Memory Check Run a comprehensive check on system memory.
Hard Drive Self-Test options Run a comprehensive self-test on any hard drive in the system.
System Configuration menu
Select To Do This
Language (or press f2) Change the Computer Setup language.
Boot options
Device configurations
Set f9, f10, and f12 delay when starting up.
Enable/disable CD-ROM boot.
Enable/disable Floppy boot.
Enable/disable internal network adapter boot and set the boot mode
(PXE or RPL).
Enable/disable MultiBoot, which sets a boot order that can include most
boot devices in the system.
Set the boot order.
Swap the functions of the fn key and left ctrl key.
Enable/disable multiple standard pointing devices at startup. (To set the
computer to support only a single, usually nonstandard, pointing device at startup, select Disable.)
Enable/disable USB legacy support. When enabled, USB legacy support
allows
A USB keyboard, mouse, and hub to work in Computer Setup even
when a Windows operating system is not loaded.
The computer to start from bootable USB devices, including a hard
drive, diskette drive diskette, or optical drive connected by a USB
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Select To Do This
Automatic/disable Intel SpeedStep Technology.
Select a parallel port mode: EPP (Enhanced Parallel Port), standard,
bidirectional, or ECP (Enhanced Capabilities Port).
Enable/disable BIOS DMA data transfers (select models only)
Enable/disable the system fan when connected to an AC outlet.
Enable/disable Intel or AMD PSAE Execution Disable. When enabled,
the processor can disable some virus code execution, which helps to improve computer security.
Enable/disable LAN Power Save. When enabled, saves power by
turning off the LAN when not in use.
Enable/disable SATA Native Support.
Enable/disable Dual Core CPU.
Enable/disable Secondary Battery Fast Charge.
port to the computer or to an optional docking device (select models only).
Built-in Device Options
Port Options
Enable/disable embedded WWAN Device Radio.
Enable/disable embedded WLAN Device Radio
Enable/disable embedded Bluetooth® Device Radio.
Enable/disable LAN/WLAN Switching. When enabled, switches to a
WLAN when a LAN is either unavailable or disconnected.
Enable/disable Wake on LAN from Off.
Enable/disable the ambient light sensor.
Enable/disable the serial port.
Enable/disable the parallel port.
Enable/disable the flash media reader.
Enable/disable the USB port.
CAUTION Disabling the USB port also disables MultiBay
devices and ExpressCard devices on the advanced port replicator.
Enable/disable the 1394 port.
Enable/disable the cardbus slot.
Enable/disable the ExpressCard slot.
Enable/disable the infrared port.
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7 Specifications

Computer specifications

Metric U.S.
Dimensions
Height (front to back) 3.19 to 3.59 cm 1.26 to 1.41 in
Width 35.79 cm 14.09 in
Depth 25.70 cm 10.12 in
Weight (with optical drive, hard drive, and battery) 2.67 kg 5.88 lbs
Input power
Operating voltage 18.5 V dc @ 3.5 A – 65 W
Operating current 3.5 A
Temperature
Operating (not writing to optical disc) 0°C to 35°C 32°F to 95°F
Operating (writing to optical disc) 5°C to 35°C 41°F to 95°F
Nonoperating -20°C to 60°C -4°F to 140°F
Relative humidity
Operating 10% to 90%
Nonoperating 5% to 95%
Maximum altitude (unpressurized)
Operating (14.7 to 10.1 psia) -15 m to 3,048 m 50 ft to 10,000 ft
Nonoperating (14.7 to 4.4 psia) -15 m to 12,192 m -50 ft to 40,000 ft
Shock
Operating 125 g, 2 ms, half-sine
Nonoperating 200 g, 2 ms, half-sine
Random vibration
Operating 0.75 g zero-to-peak, 10 Hz to 500 Hz,
0.25 oct/min sweep rate
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Metric U.S.
Nonoperating 1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5
NOTE Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well
within this range of temperatures.

15.4-inch, WXGA display specifications

Metric U.S.
Dimensions
Height 20.7 cm 8.15 in
Width 33.1 cm 13.03 in
Diagonal 39.1 cm 15.39 in
Number of colors Up to 16.8 million
Contrast ratio 200:1 (typical)
Brightness 160 nits (typical)
oct/min sweep rate
Pixel resolution
Pitch 0.259 × 0.259 mm
Format 1280 × 800
Configuration RGB vertical stripe
Backlight Edge lit
Refresh rate 60 Hz
PPI 107
Viewing angle +/-65° horizontal, +/-50° vertical (typical)
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Hard drive specifications

60-GB* 40-GB*
Dimensions
Height 9.5 mm 9.5 mm
Width 70 mm 70 mm
Weight 101 g 101 g
Interface type ATA-7 ATA-7
Transfer rate
Synchronous (maximum) 100 MB/sec 100 MB/sec
Security ATA security ATA security
Seek times (typical read, including setting)
Single track 3 ms 3 ms
Average 13 ms 13 ms
Maximum 24 ms 24 ms
Logical blocks 117,210,240 78,140,160
Disc rotational speed 5400-rpm 4200-rpm
Operating temperature 5°C to 55°C (41°F to 131°F)
*1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
Actual drive specifications may differ slightly.
NOTE Certain restrictions and exclusions apply. Contact technical support for details.
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Primary 4-cell, Li-ion battery specifications

Metric U.S.
Dimensions
Height 2.00 cm 0.79 in
Width 26.80 cm 3.70 in
Depth 5.30 cm 5.28 in
Weight 0.34 kg 0.75 lb
Energy
Voltage 14.4 V
Amp-hour capacity 2.2 Ah
Watt-hour capacity 32 Wh
Temperature
Operating 5°C to 45°C 41°F to 113°F
Nonoperating 0°C to 60°C 32°F to 140°F
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DVD±RW and CD-RW Super Multi Double-Layer Combo Drive specifications

Applicable disc Read:
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-CD, CD­EXTRA, Portfolio, CD-R, CD-RW), CD­R, CD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM
Center hole diameter 1.5 cm (0.59 in)
Disc diameter
Standard disc 12 cm (4.72 in)
Mini disc 8 cm (3.15 in)
Disc thickness 1.2 mm (0.047 in)
Track pitch 0.74 µm
Access time
Random < 175 ms < 230 ms
Full stroke < 285 ms < 335 ms
Audio output level Audio-out, 0.7 Vrms
CD DVD
Write:
CD-R and CD-RW
DVD+R, DVD+RW, DVD-R, DVD-RW, DVD-RAM
Cache buffer 2 MB
Data transfer rate
24X CD-ROM 3,600 KB/sec
8X DVD 10,800 KB/sec
24X CD-R 3,600 KB/sec
16X CD-RW 2,400 KB/sec
8X DVD+R 10,800 KB/sec
4X DVD+RW 5,400 KB/sec
8X DVD-R 10,800 KB/sec
4X DVD-RW 5,400 KB/sec
2.4X DVD+R(9) 2,700 KB/sec
5X DVD-RAM 6,750 KB/sec
Transfer mode Multiword DMA Mode
Startup time < 15 seconds
Stop time < 6 seconds
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DVD±RW/R and CD-RW Double-Layer Combo Drive specifications

Applicable disc Read:
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-CD, CD­EXTRA, Portfolio, CD-R, CD-RW), CD­R, CD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM
Center hole diameter 1.5 cm (0.59 in)
Disc diameter
Standard disc 12 cm (4.72 in)
Mini disc 8 cm (3.15 in)
Disc thickness 1.2 mm (0.047 in)
Track pitch 0.74 µm
Access time
Random < 110 ms < 130 ms
Full stroke < 210 ms < 225 ms
Audio output level Line-out, 0.7 Vrms
CD DVD
Write:
CD-R and CD-RW
Cache buffer 2 MB
Data transfer rate
24X CD-ROM 3,600 KB/sec
8X DVD 10,800 KB/sec
24X CD-R 3,600 KB/sec
24X CD-RW 3,600 KB/sec
Transfer mode Multiword DMA mode 2
Startup time < 15 seconds
Stop time < 6 seconds
24X CD-ROM 3,600 KB/s 8X DVD 10,800 KB/s 24X CD-R 3,600 KB/s 24X CD-RW 3,600 KB/s
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System DMA specifications

Hardware DMA System function
DMA0 Not applicable
DMA1* Not applicable
DMA2* Not applicable
DMA3 Not applicable
DMA4 Direct memory access controller
DMA5* Available for PC Card
DMA6 Not assigned
DMA7 Not assigned
*PC Card controller can use DMA 1, 2, or 5.
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System interrupt specifications

Hardware IRQ System function
IRQ0 System timer
IRQ1 Standard 101-/102-Key or Microsoft® Natural Keyboard
IRQ2 Cascaded
IRQ3 Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD
IRQ4 COM1
IRQ5* Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3
Data Fax Modem with SmartCP
IRQ6 Diskette drive
IRQ7* Parallel port
IRQ8 System CMOS/real-time clock
IRQ9* Microsoft ACPI-compliant system
IRQ10* Intel USB UHCI controller—24C2
Intel 82852/82855 GM/GME Graphic Controller
Realtek RTL8139 Family PCI Fast Ethernet Controller
IRQ11 Intel USB EHCI controller—24CD
Intel USB UHCI controller—24C4
Intel USB UHCI controller—24C7
Intel Pro/Wireless 2200BG
TI OHCI 1394 host controller
TI PCI1410 CardBus controller
IRQ12 Synaptics PS/2 TouchPad
IRQ13 Numeric data processor
IRQ14 Primary IDE channel
IRQ15 Secondary IDE channel
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.
NOTE PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the
serial port may assert IRQ3 or IRQ4.
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System I/O address specifications

I/O address (hex) System function (shipping configuration)
000 - 00F DMA controller no. 1
010 - 01F Unused
020 - 021 Interrupt controller no. 1
022 - 024 Opti chipset configuration registers
025 - 03F Unused
02E - 02F 87334 “Super I/O” configuration for CPU
040 - 05F Counter/timer registers
044 - 05F Unused
060 Keyboard controller
061 Port B
062 - 063 Unused
064 Keyboard controller
065 - 06F Unused
070 - 071 NMI enable/RTC
072 - 07F Unused
080 - 08F DMA page registers
090 - 091 Unused
092 Port A
093 - 09F Unused
0A0 - 0A1 Interrupt controller no. 2
I/O Address (hex) System Function (shipping configuration)
0A2 - 0BF Unused
0C0 - 0DF DMA controller no. 2
0E0 - 0EF Unused
0F0 - 0F1 Coprocessor busy clear/reset
0F2 - 0FF Unused
100 - 16F Unused
170 - 177 Secondary fixed disk controller
178 - 1EF Unused
1F0 - 1F7 Primary fixed disk controller
1F8 - 200 Unused
201 JoyStick (decoded in ESS1688)
202 - 21F Unused
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I/O address (hex) System function (shipping configuration)
220 - 22F Entertainment audio
230 - 26D Unused
26E - 26 Unused
278 - 27F Unused
280 - 2AB Unused
2A0 - 2A7 Unused
2A8 - 2E7 Unused
2E8 - 2EF Reserved serial port
2F0 - 2F7 Unused
2F8 - 2FF Infrared port
300 - 31F Unused
320 - 36F Unused
370 - 377 Secondary diskette drive controller
378 - 37F Parallel port (LPT1/default)
380 - 387 Unused
388 - 38B FM synthesizer—OPL3
38C - 3AF Unused
3B0 - 3BB VGA
3BC - 3BF Reserved (parallel port/no EPP support)
3C0 - 3DF VGA
3E0 - 3E1 PC Card controller in CPU
3E2 - 3E3 Unused
3E8 - 3EF Internal modem
3F0 - 3F7 “A” diskette controller
3F8 - 3FF Serial port (COM1/default)
CF8 - CFB PCI configuration index register (PCIDIVO-1)
CFC - CFF PCI configuration data register (PCIDIVO-1)
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System memory map specifications

Size Memory address System function
640 KB 00000000-0009FFFF Base memory
128 KB 000A0000-000BFFFF Video memory
48 KB 000C0000-000CBFFF Video BIOS
160 KB 000C8000-000E7FFF Unused
64 KB 000E8000-000FFFFF System BIOS
15 MB 00100000-00FFFFFF Extended memory
58 MB 04800000-07FFFFFF Super extended memory
58 MB 04800000-07FFFFFF Unused
2 MB 08000000-080FFFFF Video memory (direct access)
4 GB 08200000-FFFEFFFF Unused
64 KB FFFF0000-FFFFFFFF System BIOS
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8 Screw listing

This section provides specification and reference information for the screws and screw locks used in the computer. All screws and screw locks listed in this section are available in the Screw Kit, spare part number 441629-001, and the Display Screw Kit, spare part number 440714-001.
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Phillips PM2.5×6.0 captive screw

Color Quantity Length Thread Head width
Black 3 6.0 mm 2.5 mm 5.0 mm
Where used:
(1) Two screws that secure the hard drive cover to the computer (screws are captured on the cover by
C-clips; see
(2) One screw that secures the memory/Mini PCI card module compartment cover to the computer (screw is captured on the cover by a C-clip; see
Hard drive on page 30)
Memory module on page 32)
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Phillips PM3.0×3.0 screw

Color Quantity Length Thread Head width
Silver 4 3.0 mm 3.0 mm 5.0 mm
Where used: 4 screws that secure the hard drive bracket to the hard drive (see Hard drive
on page 30)
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Phillips PM2.0×9.0 screw

Color Quantity Length Thread Head width
Black 26 9.0 mm 2.0 mm 5.0 mm
Where used:
(1) One screw that secures the optical drive to the computer (see
(2) Two screws that secure the keyboard to the computer (see
Where used: 7 screws that secure the switch cover to the computer (see Switch cover on page 38)
Optical drive on page 36)
Keyboard on page 40)
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Where used: 2 screws that secure the display assembly to the computer (see Display assembly
on page 44)
Where used: 12 screws that secure the base enclosure to the computer (see Base enclosure
on page 49)
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Where used:
(1) One screw that secures the fan assembly to the computer (see
(2) One screw that secures the speaker to the computer (see
Speaker on page 56)
Fan assembly on page 52)
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Phillips PM2.0×3.0 screw

Color Quantity Length Thread Head width
Silver 16 3.0 mm 2.0 mm 4.5 mm
Where used: 2 screws that secure the optical drive bracket to the optical drive (see Optical drive
on page 36)
Where used: One screw that secures the button board to the computer (see Button board
on page 43)
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Where used: 4 screws that secure each display hinge to the display panel (see Display assembly
on page 44)
Where used: 2 screws that secure the base enclosure to the top cover (see Base enclosure
on page 49)
Where used: One screw that secures the system board to the base enclosure (see System board
on page 58)
88 Chapter 8 Screw listing ENWW
Page 95
Where used: 2 screws that secure the PC Card assembly to the system board (see PC Card assembly
on page 61)
ENWW Phillips PM2.0×3.0 screw 89
Page 96

Phillips PM2.0×2.0 screw

Color Quantity Length Thread Head width
Black 4 2.0 mm 2.0 mm 7.0 mm
Where used: 4 screws that secure the switch cover to the computer (see Switch cover on page 38)
90 Chapter 8 Screw listing ENWW
Page 97

Phillips PM2.0×7.0 screw

Color Quantity Length Thread Head width
Black 2 7.0 mm 2.0 mm 5.0 mm
Where used: 2 screws that secure the display assembly to the computer (see Display assembly
on page 44)
ENWW Phillips PM2.0×7.0 screw 91
Page 98

Phillips PM2.5×6.0 screw

Color Quantity Length Thread Head width
Silver 16 6.0 mm 2.5 mm 5.0 mm
Where used: 8 screws that secure the display bezel to the display assembly (see Display assembly
on page 44)
Where used: 4 screws that secure the display panel to the display enclosure (see Display assembly
on page 44)
92 Chapter 8 Screw listing ENWW
Page 99
Where used: 4 screws that secure the heat sink to the base enclosure (see Heat sink on page 53)
ENWW Phillips PM2.5×6.0 screw 93
Page 100

Phillips PM2.5×4.0 screw

Color Quantity Length Thread Head width
Silver 2 4.0 mm 2.5 mm 5.0 mm
Where used: 2 screws that secure the wireless antenna transceivers to the display enclosure (see
Display assembly on page 44)
94 Chapter 8 Screw listing ENWW
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