HP Compaq Presario CQ42-203AU, Compaq Presario CQ42-205AU, Compaq Presario CQ42-210AU, Compaq Presario CQ42-218AX, Compaq Presario CQ42-219AX Service Guide

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Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC
Maintenance and Service Guide
SUMMARY
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; troubleshooting computer problems; and performing computer disassembly procedures.
© Copyright 2010 Hewlett-Packard Development Company, L.P.
Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Arrandale are trademarks of Intel Corporation in the United States and other countries. Microsoft and Windows 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.
First Edition: April 2010
Document Part Number: 594158-002
MSG revision history
Revision Publication date Description
A April 2010 Edited this guide to include HP G42 Notebook PC and Compaq CQ42
Notebook PC information only.
B October 2010
C December 2010
Added newly supported memory modules to spare parts listings in
the following locations:
Mass storage devices on page 36, Sequential part number listing on page 39, Memory module on page 60.
Added newly supported processors to spare parts listings in the
following locations:
Mass storage devices on page 36, Sequential part number listing on page 39, Processor on page 91.
Added newly supported system boards to spare parts listings in the
following locations: Computer major components on page 26,
Mass storage devices on page 36, Sequential part number listing on page 39, System board on page 81.
Added newly supported processors to spare parts listings in the
following locations:
Mass storage devices on page 36, Sequential part number listing on page 39, Processor on page 91.
Added newly supported system boards to spare parts listings in the
following locations: Computer major components on page 26,
Mass storage devices on page 36, Sequential part number listing on page 39, System board on page 81
Added newly supported power cord to spare parts listings in the
following locations: Miscellaneous Parts, Sequential part number
listing on page 39, Memory module on page 60.
Removed Bluetooth™ references. Bluetooth is not supported.
Computer major components on page 26,
Computer major components on page 26,
Computer major components on page 26,
ENWW iii
iv MSG revision history ENWW
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).
ENWW v
vi Safety warning notice ENWW
Table of contents
1 Product description ........................................................................................................................................ 1
2 External component identification .............................................................................................................. 13
Identifying the hardware ..................................................................................................................... 13
Top components ................................................................................................................................. 14
TouchPad .......................................................................................................................... 14
Lights ................................................................................................................................. 15
Button and speakers .......................................................................................................... 16
Keys ................................................................................................................................... 17
Display ............................................................................................................................... 18
Right-side components ....................................................................................................................... 19
Left-side components ......................................................................................................................... 20
Bottom components ........................................................................................................................... 21
Wireless antennas .............................................................................................................................. 22
Additional hardware components ....................................................................................................... 23
3 Illustrated parts catalog ............................................................................................................................... 25
Serial number location ........................................................................................................................ 25
Computer major components ............................................................................................................. 26
Display assembly components ........................................................................................................... 33
Plastics Kit .......................................................................................................................................... 35
Mass storage devices ......................................................................................................................... 36
Miscellaneous parts ............................................................................................................................ 38
Sequential part number listing ............................................................................................................ 39
4 Removal and replacement procedures ....................................................................................................... 45
Preliminary replacement requirements ............................................................................................... 45
Tools required .................................................................................................................... 45
Service considerations ....................................................................................................... 45
Plastic parts ....................................................................................................... 45
Cables and connectors ..................................................................................... 46
Drive handling ................................................................................................... 46
Grounding guidelines ......................................................................................................... 47
ENWW vii
Electrostatic discharge damage ........................................................................ 47
Packaging and transporting guidelines ............................................. 48
Workstation guidelines ..................................................................... 48
Equipment guidelines ....................................................................... 49
Component replacement procedures ................................................................................................. 50
Serial number .................................................................................................................... 50
Computer feet .................................................................................................................... 51
Battery ............................................................................................................................... 52
Hard drive .......................................................................................................................... 53
Optical drive ....................................................................................................................... 56
WLAN module .................................................................................................................... 58
Memory module ................................................................................................................. 60
Keyboard ........................................................................................................................... 62
Top cover ........................................................................................................................... 64
Speaker assembly ............................................................................................................. 67
Power button board ........................................................................................................... 68
TouchPad button board ..................................................................................................... 69
Modem module .................................................................................................................. 70
USB board ......................................................................................................................... 72
Power connector cable ...................................................................................................... 73
Display assembly ............................................................................................................... 74
System board ..................................................................................................................... 81
Optical drive SATA cable and connector ........................................................................... 84
RTC battery ....................................................................................................................... 86
Fan/heat sink assembly ..................................................................................................... 88
Processor ........................................................................................................................... 91
5 Setup Utility ................................................................................................................................................... 95
Computer Setup in Windows 7 ........................................................................................................... 95
Starting Setup Utility .......................................................................................................... 95
Using Setup Utility ............................................................................................................. 95
Changing the language of Setup Utility ............................................................. 95
Navigating and selecting in Setup Utility ........................................................... 96
Displaying system information .......................................................................... 96
Restoring default settings in Setup Utility .......................................................... 97
Exiting Setup Utility ........................................................................................... 98
Setup Utility menus ............................................................................................................ 98
Main menu ........................................................................................................ 98
Security menu ................................................................................................... 98
System Configuration menu .............................................................................. 99
Diagnostics menu .............................................................................................. 99
Computer Setup in Linux .................................................................................................................. 100
Starting Computer Setup ................................................................................................. 100
viii ENWW
Using Computer Setup .................................................................................................... 100
Navigating and selecting in Computer Setup .................................................. 100
Restoring factory settings in Computer Setup ................................................. 101
Computer Setup menus ................................................................................................... 102
File menu ........................................................................................................ 102
Security menu ................................................................................................. 103
Diagnostics menu ............................................................................................ 103
System Configuration menu ............................................................................ 104
6 Specifications .............................................................................................................................................. 107
Computer specifications ................................................................................................................... 107
35.6-cm (14.0-in) display specifications ........................................................................................... 108
Hard drive specifications .................................................................................................................. 109
DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications ....................................... 110
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications .............................. 111
System resource specifications ........................................................................................................ 112
7 Backup and recovery .................................................................................................................................. 113
Windows 7 ........................................................................................................................................ 113
Creating recovery discs ................................................................................................... 114
Backing up your information ............................................................................................ 115
Using Windows Backup and Restore .............................................................. 116
Using system restore points ............................................................................ 117
When to create restore points ........................................................ 117
Create a system restore point ........................................................ 117
Restore to a previous date and time ............................................... 117
Performing a recovery ..................................................................................................... 117
Recovering from the recovery discs ................................................................ 118
Recovering from the dedicated recovery partition (select models only) .......... 118
Linux backup and recovery .............................................................................................................. 119
8 Connector pin assignments ....................................................................................................................... 121
Audio-out (headphone) ..................................................................................................................... 121
Audio-in (microphone) ...................................................................................................................... 121
External monitor ............................................................................................................................... 122
RJ-11 (modem) ................................................................................................................................ 123
RJ-45 (network) ................................................................................................................................ 123
HDMI ................................................................................................................................................ 124
Universal Serial Bus ......................................................................................................................... 125
9 Power cord set requirements .................................................................................................................... 127
Requirements for all countries or regions ......................................................................................... 127
Requirements for specific countries or regions ................................................................................ 128
ENWW ix
10 Recycling ................................................................................................................................................... 129
Battery .............................................................................................................................................. 129
Display .............................................................................................................................................. 129
Index ................................................................................................................................................................. 135
x ENWW

1 Product description

Category Description HP G42 HP G42 Compaq
Discrete UMA Discrete UMA Models
Product Name
HP G42 Notebook
Processors Intel® Arrandale™
i7-620M, 2.66-GHz,
i5-540M, 2.53-GHz,
i5-520M, 2.4-GHz, SC
i5-430M 2.26-GHz
i3-350M, 2.26-GHz 3-
Compaq Presario CQ42 Notebook PC
PC
SC turbo, 4-MB L3 cache
SC turbo, 3-MB L3 cache
turbo, 3-MB L3 cache
(turbo to 2.53- GHz) 3-MB L3 cache
MB L3 cache
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Presario
CQ42
Compaq Presario
CQ42
150-199
Compaq Presario
CQ42
UMA Models
100-149
i3-330M, 2.13-GHz 3-
MB L3 cache
Intel Pentium™
DC T4400, 2.2-GHz,
800-MHz FSB, 1-MB L2 cache
DC T4300, 2.1-GHz,
800-MHz FSB, 1-MB L2 cache
Intel Celeron™
DC T3100, 1.9-GHz,
800-MHz FSB, 1-MB L2 cache
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ENWW 1
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Discrete UMA Discrete UMA Models
150-199
DC T3000, 1.8-GHz
800-MHz FSB, 1-MB L2 cache
AMD® Phenom™ II
Processor
N620 DDR3-1333 (2
MB 2.8 GHz L2 cache) 35W
DC N640 DC (2.9
GHz 35W)
N660 3.0 GHz 2M √√√√
DC N830 Tri-core 2.1
GHz 1.5M L2 35W
DC N850 2.2 GHz L2
cache
N870 2.3 GHz 1.5 MB √√√√
DC N930 QC 2.0 GHz √√√√
N970 2.2 GHz 2 MB √√√√
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UMA Models
100-149
P650 2.6 GHz 2MB
35W
DC P820 Tri-Core 1.8
GHz 1.5 MB L2 cache 25W
DC P840 1.9 GHz L2
cache
P860 2 GHz 1.5 MB
25W
DC QC P920 1.6 GHz
2M L2 cache 25W
DC P940 DC QC 1.7
GHz L2 cache
DC P950 QC 2.1 GHz
L2 cache 35W
P960 1.8 GHz 2 MB
25W
AMD Turion™ II
Processor
N570 2.7 GHz 2M
35W
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DC P540 DC 2.4 GHz
L2 cache 25W
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2 Chapter 1 Product description ENWW
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Discrete UMA Discrete UMA Models
150-199
DC N550 DC 2.6 GHz
L2 cache 35W
DC N530 DC 2.5GHz
L2 cache 35W
P560 2.5Ghz 2M 35W √√√√
P520 DDR3-1066
MHz
P650 2.6 GHz 2 MB
25W
AMD Athlon™ II
Processor
DC P340 2.2 GHz L2
cache 25W
P360 2.5 GHz 35W √√√√
DC N330 2.3 GHz 1M
L2 cache 35W
DC N350 2.4 GHz L2
cache 35W
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UMA Models
100-149
N370 2.5 GHz 1 MB
35W
DC N530 DC 2.5 GHz
L2 cache 35W
P320 DDR3-1066
MHz
PROC DC V140 SC
2.3 GHz 25W
Champlain SC
processor V160 2.4 GHz 25W
Champlain V120
512K L2 cache
AMD Sempron™ II
Processor
N120 DDR3-1066
Mhz
Chipset Intel® HM55 Express √√√√
Intel® GL40
Southbridge: ICH9m
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AMD
ENWW 3
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Discrete UMA Discrete UMA Models
150-199
ATI RS880M
ATI RS880MD
Southbridge - SB820 √√√√
Graphics Intel UMA
(Northbridge)
(Northbridge)
(integrated)/HD Graphics with shared
video memory (memory size is dynamic change):
Up to 251 MB on
computers with 1024 MB of system memory
Up to 358 MB on
computers with more than 2048 MB of system memory
UMA Models
100-149
4 Chapter 1 Product description ENWW
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Intel UMA
(integrated)/GMA 4500M - GL40 chipset with shared
video memory (memory size is dynamic change):
Up to 1759 MB
for computers with more than 4096 MB of system memory (64 bit)
Up to 1309 MB
for computers with more than 4096 MB of system memory (32 bit)
Up to 1309 MB
for computers with more than 3072 MB of system memory
Discrete UMA Discrete UMA Models
150-199
UMA Models
100-149
Up to 797 MB for
computers with more than 2048 MB system memory
Up to 285 MB for
computers with more than 1024 MB of system memory
ATi Discrete PCI
Express x 16 Graphics
ATi Mobility
Radeon Park-LP S3 package (ATI Mobility Radeon™ HD5430 with 512-MB of dedicated video memory (64­MB×16 DDR3, 4 pcs, 800-MHz))
ENWW 5
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Switchable Discrete
Support for BD or
Graphics
ATi Robson XT
(ATI Mobility Radeon™ HD6370) with 512MB of dedicated memory (64Mx16 DDR3 800 MHz x 4 PCs)
ATi Robson XT
(ATI Mobility Radeon™ HD6370) with 1GB of dedicated memory (128Mx16 DDR3 800 MHz x 4 PCs)
HD-DVD playback with HD decoder and DX10 support
Discrete UMA Discrete UMA Models
150-199
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UMA Models
100-149
Panel 35.6-cm (14.0-in) HD
LED BrightView (1366 x 768)
16:9 wide aspect ratio √√√√√
Memory 2 SODIMM slots √√√√√
Customer-accessible
and upgradable
Supports up to 8 GB
of system memory
DDR3, 1066-MHz,
dual-channel memory (DDR3 1333 MHz can be downgraded to DDR3 1066 MHz)
DDR3, 800-MHz,
dual-channel memory (DDR3 1333 MHz can be downgraded to DDR3 800 MHz)
Supports the following
configurations:
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6 Chapter 1 Product description ENWW
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Discrete UMA Discrete UMA Models
150-199
4096 MB (2048
MB × 2)
3072 MB (1024
MB × 1 + 2048 MB × 1)
2048 MB (2048
MB × 1)
2048 MB (1024
MB × 2)
1024 MB (1024
MB × 1)
Hard drives Supports 9.5-mm,
6.35-cm (2.5-in) hard
drive
Serial ATA √√√√√
Supports the following
drives:
750 GB, 5400
rpm
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UMA Models
100-149
640 GB, 5400
500 GB, 7200
320 GB, 7200
250 GB, 7200
160 GB, 7200
Optical drives
SATA √√√√√
12.7-mm (0.50-in)
Supports the following
Blu-ray ROM
rpm
rpm
rpm
rpm
rpm
Fixed (removal of one screw required)
fixed tray load
drives:
with LightScribe DVD±R/RW SuperMulti DL Drive
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ENWW 7
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Discrete UMA Discrete UMA Models
150-199
Blu-ray ROM
DVD±R/RW
Diskette drive
Camera VGA camera √√√√√
Fixed (no tilt) √√√√√
640 × 480 by 24
Microphone One microphone,
Audio HD audio √√√√√
DVD±R/RW SuperMulti DL Drive
DVD±R/RW
SuperMulti DL Drive with LightScribe
SuperMulti DL Drive
Supports external USB drive only
frames per second
analog
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UMA Models
100-149
Supports Microsoft
Premium requirements
Altec Lansing
Modem
(select models only)
Ethernet Integrated 10/100
Wireless Integrated wireless
Intel Centrino
Intel Centrino
speakers
Support for optional high-speed 56k modem
network interface card (NIC)
local area network (WLAN) options by way of wireless module:
Wireless-N 1000
802.11b/g 1x2
Wireless-N 1000
802.11b/g 1x2
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8 Chapter 1 Product description ENWW
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Atheros AR9285
Atheros AR9285
Broadcom 4312G
Broadcom 4312G
Realtek RTL8191SE
Realtek RTL8191SE
External media card
(select models only )
802.11b/g/n 1x1 WiFi Adapter
802.11b/g/n 1x1 WiFi Adapter
802.11b/g WiFi Adapter
802.11b/g WiFi Adapter
802.11b/g/n 1x1 WiFi Adapter
802.11b/g/n 1x1 WiFi Adapter
5-in-1 Digital Media Slot; supports SD, MMC, MS, Mspro, xD
Discrete UMA Discrete UMA Models
150-199
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UMA Models
100-149
Single port configured
as either HDMI or 5­in-1 Digital Media Slot
Supports mini
versions of SD, MMC, and MS Duo with adapter (adapter not included)
Ports VGA (Dsub 15-pin)
supporting 1600 x 1200 resolution at 75 Hz; disabled when connected to devices through Expansion port 3
Hot plug/unplug and
auto detect for wide­aspect or standard­aspect video
HDMI v1.3 supporting
1080p with HDCP key
Single port configured
for either HDMI or 5­in-1 card reader
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USB 2.0 (3) √√√√√
ENWW 9
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
RJ-11 (modem) with
RJ-45 (Ethernet, with
Audio-in (mono
Audio-out (stereo
Smart-pin AC adapter
Keyboard/ pointing devices
TouchPad with 2
Power requirement s
modem option
link and activity lights)
microphone)
headphone)
plug
14.0-inch keyboard √√√√√
buttons and 2-way scroll (taps enabled as default)
6-cell (47-Wh) 2.20­Ah Li-ion battery
Discrete UMA Discrete UMA Models
150-199
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UMA Models
100-149
65-W AC adapter with
90-W AC adapter with
Security Security cable slot √√√√√
Operating system
Windows 7
Windows 7 Home
Windows 7 Home
Free DOS √√√
ServiceabilityEnd-user
AC adapter √√√√√
Battery (system) √√√√√
Smart-Pin DC connector
Smart-Pin DC connector
Preinstalled:
Professional (32 & 64 bit)
Premium (32 & 64 bit)
Basic (32 & 64 bit)
replaceable parts:
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Hard drive √√√√√
10 Chapter 1 Product description ENWW
Category Description HP G42 HP G42 Compaq
Presario
CQ42
Compaq Presario
CQ42
Compaq Presario
CQ42
Discrete UMA Discrete UMA Models
150-199
Memory module √√√√√
Optical drive √√√√√
Mini-card device √√√√√
UMA Models
100-149
ENWW 11
12 Chapter 1 Product description ENWW

2 External component identification

Identifying the hardware

Components included with the computer may vary by region and model. The illustrations in this chapter identify the standard features on most computer models.
To see a list of hardware installed in the computer, follow these steps:
1. Select Start > My Computer.
2. In the left pane of the System Tasks window, select View system information.
3. Select Hardware tab > Device Manager.
You can also add hardware or modify computer configurations using Device Manager.
ENWW Identifying the hardware 13

Top components

TouchPad

Component Description
(1)
(2) TouchPad zone Moves the pointer and selects or activates items on the
(3) Left TouchPad button Functions like the left button on an external mouse.
(4) Right TouchPad button Functions like the right button on an external mouse.
TouchPad off indicator To switch the TouchPad zone on and off, quickly double-tap
the TouchPad off indicator.
NOTE: When the TouchPad zone is active, the light is off.
screen.
There is an unmarked scroll zone inside the right edge of the TouchPad. To scroll up and down using the TouchPad vertical scroll zone, slide your finger up or down inside the right edge of the TouchPad. For more information about TouchPad features, refer to” Using the TouchPad” section later in this guide.
14 Chapter 2 External component identification ENWW

Lights

Component Description
(1) TouchPad light
(2) Caps lock light On: Caps lock is on.
(3)
(4)
Power light
Wireless light
On: The TouchPad is disabled.
Off: The TouchPad is enabled.
On: The computer is on.
Blinking: The computer is in the Sleep state.
Off: The computer is off or in Hibernation.
White: An integrated wireless device, such as a
wireless local area network (WLAN) device, is on.
Amber: All wireless devices are off.
ENWW Top components 15

Button and speakers

Component Description
(1) Speakers (2) Produce sound.
(2) Power button
When the computer is off, press the button to turn on the
computer.
When the computer is on, press the button briefly to
initiate Sleep.
When the computer is in the Sleep state, briefly press
the button to exit Sleep.
When the computer is in Hibernation, briefly press the
button 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.
To learn more about your power settings, select Start > Control Panel > System and Security > Power Options.
16 Chapter 2 External component identification ENWW

Keys

Component Description
(1) esc key Displays system information when pressed in combination with
(2) fn key Displays system information when pressed in combination with
(3)
(4)
(5) Navigation keys Navigate using the Up, Down, Left and Right arrow keys.
(6) Action keys Execute frequently used system actions.
Windows logo key Displays the Windows Start menu.
Windows applications key Displays a shortcut menu for items beneath the pointer.
the fn key.
the esc key.
ENWW Top components 17

Display

Component Description
(1) Internal microphone Records sound.
(2) Integrated webcam (select models only) Records audio and video and captures still photographs.
(3) Integrated webcam light (select models only) On: The integrated webcam is in use.
18 Chapter 2 External component identification ENWW

Right-side components

Component Description
(1) Optical drive Reads and writes to optical discs.
(2) Optical drive light Blinking: The optical drive is being accessed.
(3)
(4) RJ-11 (modem) jack (select models only) Connects a modem cable.
(5) AC adapter/power/battery light
(6)
(7)
USB port Connects an optional USB device.
White: The computer is connected to external power and
the battery is fully charged.
Blinking white: The computer is in the Sleep state.
Amber: A battery is charging.
Power connector Connects an AC adapter.
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.
ENWW Right-side components 19

Left-side components

Component Description
(1)
(2) Vent Enables airflow to cool internal components.
(3) HDMI port (select models only) Connects an optional video or audio device, such as a high-
(4)
(5)
(6)
(7)
(8) Digital Media Slot (select models only) Supports the following optional digital card formats:
External monitor port Connects an external VGA monitor or projector.
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.
definition television, or any compatible digital or audio component.
RJ-45 (network) jack Connects a network cable.
USB ports (2) Connects optional USB devices.
Audio-in (microphone) jack Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.
Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, earbuds, a headset, or television audio.
Memory Stick (MS)
Memory Stick Pro (MSP)
MultiMediaCard (MMC)
Secure Digital (SD) Memory Card
xD-Picture Card (XD)
(9)
Drive light On: The hard drive is in use.
20 Chapter 2 External component identification ENWW
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