HP Compaq 320, Compaq 321, Compaq 420, Compaq 421, Compaq 620 Maintenance And Service Manual
...
Compaq 320 Notebook PC
Compaq 321 Notebook PC
Compaq 420 Notebook PC
Compaq 421 Notebook PC
Compaq 620 Notebook PC
Compaq 621 Notebook PC
HP 420 Notebook PC
HP 620 Notebook PC
Maintenance and Service Guide
© Copyright 2009, 2011 Hewlett-Packard
Development Company, L.P
Bluetooth is a trademark owned by its
proprietor and used by Hewlett-Packard
Company under license. Intel, Core, and
Celeron are trademarks of Intel Corporation
in the United States and other countries.
Microsoft, Windows, and Windows Vista
are U.S. registered trademarks of Microsoft
Corporation. SD Logo is a trademark of its
proprietor.
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.
Second Edition: April 2011
Document Part Number: 601871-002
Safety warning notice
WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not
place the computer directly on your lap or obstruct the computer air 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 rugs or clothing, to block airflow. Also, do not allow the AC adapter to
contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer
and the AC adapter comply with the user-accessible surface temperature limits defined by the
International Standard for Safety of Information Technology Equipment (IEC 60950).
iii
iv Safety warning notice
Table of contents
1 Product description ........................................................................................................... 1
2 External component identification ................................................................................... 10
Top Components .................................................................................................................... 10
TouchPad ............................................................................................................... 10
Lights ..................................................................................................................... 11
Buttons, switch, and speaker ..................................................................................... 13
Keys ...................................................................................................................... 14
Front components ................................................................................................................... 16
Right-side components ............................................................................................................ 16
Left-side components ............................................................................................................... 18
Bottom components ................................................................................................................ 19
Multimedia components .......................................................................................................... 20
Wireless antennas (select models only) ..................................................................................... 22
Additional hardware components ............................................................................................ 23
3 Illustrated parts catalog .................................................................................................. 24
Service tag ............................................................................................................................ 24
Computer major components ................................................................................................... 26
Display assembly components ................................................................................................. 33
Plastics Kit ............................................................................................................................. 35
Cables .................................................................................................................................. 36
Mass storage devices ............................................................................................................. 37
Miscellaneous parts ................................................................................................................ 39
Sequential part number listing .................................................................................................. 40
4 Removal and replacement procedures ............................................................................ 49
Preliminary replacement requirements ....................................................................................... 49
Tools required ......................................................................................................... 49
Service considerations ............................................................................................. 49
Plastic parts ............................................................................................. 49
v
Cables and connectors ............................................................................. 50
Drive handling ......................................................................................... 50
Grounding guidelines .............................................................................................. 51
Electrostatic discharge damage .................................................................. 51
Packaging and transporting guidelines ........................................ 52
Workstation guidelines .............................................................. 52
Equipment guidelines ................................................................. 53
Component replacement procedures ........................................................................................ 54
Service tag ............................................................................................................. 54
Computer feet ......................................................................................................... 55
Battery ................................................................................................................... 56
Service door ........................................................................................................... 56
Hard drive ............................................................................................................. 59
Memory module ...................................................................................................... 64
WLAN module ........................................................................................................ 66
Optical drive .......................................................................................................... 68
Fan ....................................................................................................................... 69
Heat sink ................................................................................................................ 70
Processor ............................................................................................................... 71
Palm rest ................................................................................................................ 73
Keyboard ............................................................................................................... 78
Top cover ............................................................................................................... 82
Power switch board ................................................................................................. 87
Bluetooth module .................................................................................................... 89
USB connector assembly .......................................................................................... 90
Speaker ................................................................................................................. 92
Display assembly .................................................................................................... 93
System board ....................................................................................................... 102
Main battery connector .......................................................................................... 106
RTC battery .......................................................................................................... 108
Modem module ..................................................................................................... 109
Audio board ......................................................................................................... 111
5 Computer Setup ............................................................................................................ 113
Computer Setup in Windows ................................................................................................. 113
Starting Computer Setup ........................................................................................ 113
Using Computer Setup ........................................................................................... 113
Navigating and selecting in Computer Setup ............................................. 113
Restoring factory settings in Computer Setup .............................................. 114
Computer Setup menus .......................................................................................... 115
File menu .............................................................................................. 115
vi
Security menu ........................................................................................ 117
System Configuration menu ..................................................................... 118
Computer Setup in Linux ....................................................................................................... 123
Starting Computer Setup ........................................................................................ 123
Using Computer Setup ........................................................................................... 124
Navigating and selecting in Computer Setup ............................................. 124
Restoring factory settings in Computer Setup .............................................. 124
Computer Setup menus .......................................................................................... 125
File menu .............................................................................................. 125
Security menu ........................................................................................ 126
Diagnostics menu ................................................................................... 126
System Configuration menu ..................................................................... 127
6 Specifications ............................................................................................................... 129
Computer specifications ........................................................................................................ 129
39.6-cm (15.6-in) display specifications .................................................................................. 130
35.6-cm (14.0-in) display specifications .................................................................................. 132
33.8-cm (13.3-in) display specifications .................................................................................. 133
Hard drive specifications ...................................................................................................... 134
DVD-ROM Drive specifications ............................................................................................... 135
DVD±RW Double-Layer Combo Drive specifications ................................................................. 136
7 Backup and recovery .................................................................................................... 137
Backup and recovery in Windows 7 ....................................................................................... 137
Overview ............................................................................................................. 137
Backing up your information ................................................................................... 137
Performing a recovery ............................................................................................ 139
Using the Windows recovery tools .......................................................................... 139
Using f11 ............................................................................................................. 140
Using a Windows 7 operating system DVD (purchased separately) ............................. 140
Backup and recovery in Windows Vista .................................................................................. 141
Overview ............................................................................................................. 141
Backing up your information ................................................................................... 141
Performing a recovery ............................................................................................ 142
Using the Windows recovery tools .......................................................................... 143
Using f11 ............................................................................................................. 143
Using a Windows Vista operating system DVD (purchased separately) ........................ 144
Backup and recovery in Windows XP ..................................................................................... 145
Overview ............................................................................................................. 145
Backing up your information ................................................................................... 145
Performing a recovery ............................................................................................ 146
vii
Recovering your information .................................................................... 146
Recovering the operating system and programs ......................................... 146
8 Connector pin assignments ........................................................................................... 148
Audio-in (microphone) .......................................................................................................... 148
Audio-out (headphone) ......................................................................................................... 148
External monitor ................................................................................................................... 149
HDMI ................................................................................................................................. 150
RJ-11 (modem) ..................................................................................................................... 151
RJ-45 (network) .................................................................................................................... 152
Universal Serial Bus .............................................................................................................. 152
9 Power cord set requirements ........................................................................................ 153
Requirements for all countries and regions ............................................................................... 153
Requirements for specific countries and regions ....................................................................... 154
10 Recycling .................................................................................................................... 155
Battery ................................................................................................................................ 155
Display ............................................................................................................................... 155
Index ............................................................................................................................... 161
viii
1 Product description
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
Product Name Compaq 320 Notebook PC √√
Compaq 321 Notebook PC √
Compaq 420 Notebook PC √√
Compaq 421 Notebook PC √
Compaq 620 Notebook PC √√
Compaq 621 Notebook PC √
HP 420 Notebook PC √√
HP 620 Notebook PC √√
Processors Intel® Celeron® processors
T3300, 2.00-GHz, 800-MHz FSB, 1-MB
cache
√
T3100, 1.90-GHz, 800-MHz FSB, 1-MB
cache
√
T3000, 1.80-GHz, 800-MHz FSB, 1-MB
cache
√
T1700, 1.83-GHz, 667-MHz FSB, 1-MB
cache
√
T1600, 1.66-GHz, 667-MHz FSB, 1-MB
cache
√
900, 2.20-GHz, 800-MHz FSB, 1-MB cache √ √
Intel® Pentium® processor
T4400, 2.20-GHz, 800-MHz FSB, TJ 100 √ √
T4300, 2.10-GHz, 800-MHz FSB, TJ 100 √ √
T4200, 2.00-GHz, 800-MHz FSB, TJ 100 √ √
Intel® Core™ 2 Duo processor
1
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
T5870, 2.00-GHz, 800-MHz FSB, 2-MB
cache
√√
P7570, 2.26-GHz, 1066-MHz FSB, 3-MB
cache
√√
P7370, 2.00-GHz, 1066-MHz FSB, 3-MB
cache
√√
T6670, 2.20-GHz, 800-MHz FSB, 2-MB
cache
√√
T6570, 2.10-GHz, 800-MHz FSB, 2-MB
cache
√√
Chipsets Intel GL40 with 667-MH FSB √
Intel GM45 with up to 1066-MHz FSB √
Intel PM45 with up to 1066-MHz FSB √
ICH-9M Southbridge √√ √
Graphics Intel GMA 4500M Universal Memory
Architecture (UMA) graphics subsystem
integrated with shared video memory
(dynamically allocated)
√
Intel GMA 4500MHD Universal Memory
Architecture (UMA) graphics subsystem
integrated with shared video memory
(dynamically allocated)
√
ATI Mobility Radeon HD 530v with 512-MB
memory
√
ATI Mobility Radeon HD 5470v with 512-MB
memory
√
Panels All display assemblies support privacy filter √√ √
33.8-cm (13.3-in) HD LED backlight panel:
●
1366×768 AntiGlare
●
1366×768 AntiGlare for webcam
●
1366×768 BrightView
●
1366×768 BrightView for Webcam
√√ √
2 Chapter 1 Product description
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
35.6-cm (14.0-in) HD LED backlight panel:
●
1366×768 AntiGlare
●
1366×768 AntiGlare for webcam
●
1366×768 BrightView
●
1366×768 BrightView for Webcam
√√ √
39.6-cm (15.6-in) HD LED backlight panel:
●
1366×768 AntiGlare
●
1366×768 AntiGlare for webcam
●
1366×768 BrightView
●
1366×768 BrightView for Webcam
√√ √
Memory 2 customer-accessible/upgradable memory
module slots
√√ √
Supports dual-channel memory √√ √
Supports up to 4 GB of system RAM √√ √
PC3-10600, 1333-MHz, DDR3 √√√
Supports the following configurations in all
countries and regions:
●
4096-MB total system memory (4096MB × 1)
●
4096-MB total system memory (2048MB× 2, dual-channel)
●
3072-MB total system memory (2048MB + 1024-MB, dual-channel)
●
2048-MB total system memory (2048MB × 1)
●
2048-MB total system memory (1024MB × 2, dual-channel)
●
1024-MB total system memory (1024MB × 1)
√√ √
Hard drives Supports 7.0 and 9.5-mm, 6.35-cm (2.50-in)
hard drives
√√ √
Customer-accessible √√ √
Serial ATA √√ √
3
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
Supports the following drives:
●
500-GB, 7200-rpm
●
500-GB, 5400-rpm
●
320-GB, 7200-rpm
●
320-GB, 5400-rpm
●
250-GB, 7200-rpm
●
250-GB, 5400-rpm
●
160-GB, 7200-rpm
●
160-GB, 5400-rpm
√√ √
HP DriveGuard (not available on Linux) √√ √
Optical drives Fixed, no modular requirements √√ √
SATA 12.7-mm tray load √√ √
Supports option of no optical drive √√ √
Supports the following drives:
●
DVD-ROM Drive
●
DVD±RW SuperMulti Double-Layer
Combo Drive with Lightscribe
√√ √
Diskette drive Supports external USB diskette drive only √√ √
Audio/Visual IDT 92HD88 √√ √
Integrated microphone √√ √
Single speaker √√ √
Headphone and microphone jacks √√ √
Integrated 2MP camera with fixed focus
(select models only)
√√ √
Modem 56K V.92 3.8 cm (1.5-in) data/fax modem √√ √
Supports no modem option √√ √
For use in all countries and regions except
APJ
√√ √
For use in APJ only √√ √
Modem cable not included √√ √
Ethernet 10/100 Ethernet network interface card
(NIC)
√√ √
4 Chapter 1 Product description
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
S3/S4/S5 wake on LAN: AC only mode √√√
Ethernat cable not included √√ √
Wireless Integrated WLAN options by way of MiniPCI card:
2 WLAN antennas built into display assembly √√ √
Supports option for no-WLAN √√ √
Support for the following WLAN formats:
●
Broadcom 802.11b/g
●
Broadcom 802.11b/g/n (1 x 1)
●
Atheros 802.11 b/g/n (1 x 1)
●
Ralink 802.11b/g/n
●
Realtek 802.11 b/g/n (1 x 1)
●
Intel 802.11 b/g/n (1 x 2)
√√ √
Integrated wireless personal area network (WPAN) options by way of Bluetooth®
module:
Support option for no-WPAN √√ √
Bluetooth 2.1 √√√
External media
cards
One ExpressCard/33-mm √√ √
Media Card Reader supporting Secure Digital
(SD) Memory Card, Secure Digital High
Capacity (SDHC) Memory Card,
MultiMediaCard (MMC) formats
√√ √
Ports Audio-in (microphone) √√√
Audio-out (stereo headphone) √√ √
RJ-11 (modem) √√ √
RJ-45 (Ethernet, includes link and activity
lights)
√√ √
USB 2.0 (3) √√ √
HP non-Smart adapter √√ √
VGA (Dsub 15-pin) supporting 1600 × 1200
external resolution at 75-GHz (hot plug/
unplug with auto-detect)
√√ √
Multi-pin AC power √√ √
HDMI √√ √
5
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
Keyboard/
pointing devices
39.6-cm (15.6-in) keyboard with TouchPad √√ √
35.6-cm (14.0-in)/33.8-cm (13.3-in)
keyboard with TouchPad
√√ √
Suports 2-way scroll with legend and gestures
(taps enabled as default)
√√ √
Power
requirements
65-W non-Smart AC adapter √√
90-W non-Smart AC adapter √
6-cell, 47-Wh Li-ion battery √√ √
9-cell, 93-Wh Li-ion battery √√ √
Security Supports Kensington security lock √√ √
Operating system Preinstalled with Microsoft Office: √√ √
Windows 7 Home Premium 32 with Office
2010 Starter – EDGI
√√ √
Windows 7 Home Premium 64 with Office
2010 Starter (excludes Japan )
√√ √
Windows 7 Home Premium 64 with Office
2010 Starter – EDGI
√√ √
Windows 7 Home Premium 32 with Office
2007 Personal (Japan only)
√√ √
Windows 7 Home Premium 32 with Office
2007 Personal with PowerPoint (Japan only)
√√ √
Windows 7 Home Premium 32 with Office
2007 Professional (Japan only)
√√ √
Windows 7 Home Premium 32 with Office
2010 Home and Business (Japan only)
√√ √
Windows 7 Home Premium 64 with Office
2010 Personal (Japan only)
√√ √
Windows 7 Home Premium 64 with Office
2010 Home and Business (Japan only)
√√ √
Windows 7 Home Premium 64 with Office
2007 Professional (Japan only)
√√ √
Windows 7 Professional 32 with Office 2010
Starter (excludes Japan)
√√ √
Windows 7 Professional 32 with Office 2010
Starter – MSNA
√√ √
6 Chapter 1 Product description
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
Windows 7 Professional 32 with Office 2010
Starter – EDGI
√√ √
Windows 7 Professional 64 with Office 2010
Starter (excludes Japan)
√√ √
Windows Vista Home Basic 32 with Office
2010 Starter (excludes Japan)
√√ √
Windows 7 Professional 32 with Office 2007
Personal (Japan only)
√√ √
Windows 7 Professional 32 with Office 2007
Personal with PowerPoint (Japan only)
√√ √
Windows 7 Professional 32 with Office 2007
Professional (Japan only)
√√ √
Windows 7 Professional 32 with Office 2010
Personal (Japan only)
√√ √
Windows 7 Professional 32 with Office 2010
Home and Business (Japan only)
√√ √
Windows 7 Professional 64 with Office 2010
Persoal (Japan only)
√√ √
Windows 7 Professional 64 with Office 2010
Home and Business (Japan only)
√√ √
Windows 7 Professional 64 with Office 2007
Professional (Japan only)
√√ √
Windows Vista Home Basic 32 with Office
2007 Personal (Japan only)
√√ √
Windows Vista Home Basic 32 with Office
2007 Professional and PowerPoint (Japan
only)
√√ √
Windows Vista Home Basic 32 with Office
2010 Personal (Japan only)
√√ √
Windows Vista Home Basic 32 with Office
2007 Professional (Japan only)
√√ √
Windows Vista Home Basic 32 with Office
2010 Home and Business (Japan only)
√√ √
Windows Vista Home Basic 32 with Office
2010 Professional (Japan only)
√√ √
Windows 7 Starter with Office 2007 ready
(excludes Japan)
√√ √
Windows 7 Starter 32 with Office 2010
Starter– EDGI
√√ √
7
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
Windows 7 Home Basic 32 with Office 2007
ready (excludes Japan)
√√ √
Windows 7 Home Basic 32 with Office 2010
Starter
√√ √
Windows 7 Home Premium 32 with Office
2010 Starter (excludes Japan)
√√ √
Windows 7 Professional 64 with Office 2010
Starter– EDGI
√√ √
Windows 7 Professional 32 with XP Pro
images with Office 2007 ready (excludes
Japan)
√√ √
Windows 7 Professional 32 with XP Pro
images with Office 2007 ready – EDGI
√√ √
Windows 7 Professional 32 with XP Pro
images with Office 2007 Personal (Japan
only)
√√ √
Windows 7 Professional 32 with XP Pro
images with Office 2007 Personal with
PowerPoint (Japan only)
√√ √
Windows 7 Professional 32 with XP Pro
images with Office 2007 Professional (Japan
only)
√√ √
Preinstalled:
Windows 7 Professional 32 with MS Basics
(Japan only)
√√ √
Windows 7 Home Premium 32 with MS
Basics (Japan only)
√√ √
Windows 7 Home Premium 64 with MS
Basics (Japan only)
√√ √
Windows Vista Home Basic 32 with MS
Basics (Japan only)
√√ √
Windows 7 Professional 32 (with XP
Professional images) with MS Basics (Japan
only)
√√ √
Windows 7 Home Professional 64 with MS
Basics (Japan only)
√√ √
FreeDOS √√ √
RedFlag Linux (People's Republic of China
only)
√√ √
SuSE Linux √√ √
8 Chapter 1 Product description
Category Description UMA
graphics,
GL40 chipset
UMA
graphics,
GM45 chipset
Discrete
graphics,
PM45
chipset
Restore media:
Windows 7 Home Basic 32 √√ √
Windows 7 Home Premium 32 √√√
Windows 7 Home Premium 64 √√√
Windows 7 Starter √√√
Windows Vista Basic 32 √√ √
Windows 7 Professional 32 √√ √
Windows 7 Professional 64 √√ √
DRDVD Windows 7 – Home Premium/Pro √√ √
DRDVD Windows 7 – Starter/Home Basic √√ √
Windows XP Professional √√ √
SRDVD SuSE Linux √√ √
Red Flag Linux (People's Republic of China
only)
√√ √
DRDVD Windows Vista √√ √
DRDVD Windows XP Pro √√√
Certified:
Microsoft® WHQL √√√
SuSE Linux √√ √
Web Support:
All Windows Vista 64 versions √√ √
Windows 7 Professional 64 versions √√ √
SuSE Linux √√ √
Serviceability End-user replaceable parts:
AC adapter √√ √
Battery (system) √√ √
Hard drive √√√
Memory module √√ √
Keyboard √√ √
Optical drive √√ √
WLAN module √√√
9
2 External component identification
Top Components
TouchPad
Component Description
(1) TouchPad * Moves the pointer and selects or activates items on the screen.
(2) TouchPad button The left and right sides of the single button function like the left and
right buttons on an external mouse.
(3) TouchPad scroll zone Scrolls up or down.
10 Chapter 2 External component identification
Lights
NOTE: Refer to the illustration that most closely matches your computer.
Component Description
(1) Caps lock light On: Caps lock is on.
Top Components
11
Component Description
(2) Power light
●
On: The computer is on.
●
Blinking: The computer is in the Suspend state.
●
Off: The computer is off or in Hibernation.
(3) Wireless light
●
White: An integrated wireless device, such as a wireless
local area network (WLAN) device is on.
●
Amber: All wireless devices are off.
12 Chapter 2 External component identification
Buttons, switch, and speaker
Component Description
(1) Speaker Produces sound.
(2) Internal display switch Turns off the display if the panel lid is closed while the power is
on.
(3) Power button
●
When the computer is off, press the button to turn on the
computer.
●
When the computer is on, press the button to shut down the
computer.
●
When the computer is in the Suspend state, press the button
briefly to exit Suspend.
●
When the computer is in Hibernation, press the button briefly
to exit Hibernation.
If the computer has stopped responding and Windows shutdown
procedures are ineffective, press and hold the power button for at
least 5 seconds to turn off the computer.
Top Components
13
Keys
Component Description
(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, the num lk key, or the esc key.
(3) Wireless key Because the wireless devices are enabled at the factory, use the
wireless key to turn on or turn off the wireless devices
simultaneously.
(4) Function keys Execute frequently used system functions when pressed in
combination with the fn key.
(5) Embedded numeric keypad keys Can be used like the keys on an external numeric keypad when
pressed in combination with the fn and the num lk keys.
14 Chapter 2 External component identification
Component Description
(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, the num lk key, or the esc key.
(3) Function keys Execute frequently used system functions when pressed in
combination with the fn key.
(4) Embedded numeric keypad keys Can be used like the keys on an external numeric keypad when
pressed in combination with the fn and the num lk keys.
(5) Wireless key Because the wireless devices are enabled at the factory, use the
wireless key to turn on or turn off the wireless devices
simultaneously.
Top Components
15
Front components
Component Description
(1) SD Card Reader Supports the following optional digital card formats:
●
MultiMediaCard (MMC)
●
MultiMediaCard 4.2 (MMC Plus, including MMC Plus HC)
●
Secure Digital (SD) Memory Card
●
Secure Digital High Capacity (SDHC) Memory Card
●
Secure Digital High Speed (SDHS) Memory Card
(2) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
NOTE: When a device is connected to the headphone jack, the
computer speakers are disabled.
(3) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
Right-side components
Component Description
(1) USB ports (2) Connect optional USB devices.
(2) RJ-11 (modem) jack (select models only) Connects a modem cable.
(3) Optical drive (select models only) Reads optical discs and, on select models, also writes to optical
discs.
16 Chapter 2 External component identification
Component Description
(4) Optical drive light (select models only) Blinking: The optical drive is being accessed.
(5) Optical drive button (select models only) Opens the optical drive tray.
Right-side components
17
Left-side components
Component Description
(1) ExpressCard slot Supports optional ExpressCards.
(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.
(3) Vent Enables airflow to cool internal components.
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.
(4) External monitor port Connects an external VGA monitor or projector.
(5) Battery light
●
Amber: A battery is charging.
●
Turquoise: A battery is close to full charge capacity.
●
Blinking amber: A battery that is the only available power
source has reached a low battery level. When the battery
reaches a critical battery level, the battery light begins
blinking rapidly.
●
Off: If the computer is plugged into an external power
source, the lights turn 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 low battery level.
(6) Power connector Connects an AC adapter.
(7) RJ-45 (network) jack Connects a network cable.
(8) HDMI port Connects an optional HDMI device.
(9) USB port (1) Connects optional USB device.
18 Chapter 2 External component identification
Bottom components
Component Description
(1) Battery release latches (2) Release the battery from the battery bay.
(2) Battery bay Holds the battery.
Bottom components
19
Component Description
(3) Vents (3) Enable airflow to cool internal components.
NOTE: The computer fan starts up automatically to cook internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(4) Memory module compartment Contains the memory module slot.
WLAN module compartment Contains the wireless LAN module slot.
CAUTION: To prevent an unresponsive system and the display
of a warning message, replace the WLAN module with only a
module authorized for use in the computer by the governmental
agency that regulates wireless devices in your country. If you
replace the module and then receive a warning message, remove
the module to restore computer functionality, and then contact
technical support.
Hard drive bay Holds the hard drive.
Multimedia components
20 Chapter 2 External component identification
Component Description
(1) Webcam light (select models only) On: The webcam is in use.
(2) Webcam (select models only) Records audio and video and captures still photographs.
(3) Integrated microphone Records sound.
(4) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
(5) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
NOTE: When a device is connected to the headphone jack, the
computer speakers are disabled.
(6) Speaker Produces sound.
Multimedia components
21
Wireless antennas (select models only)
On select computer models, at least 2 antennas send and receive signals from one or more wireless
devices. These antennas are not visible from outside of the computer.
NOTE: For optimal transmission, keep the areas immediately around the antennas free from
obstructions.
To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental
Notices that applies to your country or region. These notices are located in Help and Support.
Component Description
(1) WWAN antennas (2)* (select models only) Send and receive wireless signals to communicate with wireless
wide-area networks (WWAN).
(2) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around
the antennas free from obstructions.
To see wireless regulatory notices, refer to the section of Regulatory, Safety and Environmental Notices
that apply to your country or region. These notices are located in Help and Support.
22 Chapter 2 External component identification
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