HP G72-100 - Notebook PC Manual

HP G72 Notebook PC
Maintenance and Service Guide
Document Part Number: 597891-001
May 2010
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; and performing
computer disassembly procedures.

© Copyright 2010 Hewlett-Packard Development Company, L.P.
ATI and ATI Mobility Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and
used by Hewlett-Packard Company under license. Intel, Centrino, and Core are trademarks of Intel Corporation in the U.S. 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: May 2010
Document Part Number: 597891-001

Safety warning notice
ÅWARNING: 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).

Maintenance and Service Guide iv
Contents
1 Product description
2 External component identification
Top components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4
Left-side components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5
Right-side components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
Bottom components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7
Display components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
Wireless antennas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
Additional hardware components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10
3 Illustrated parts catalog
Service tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
Computer major components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
Display assembly components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–7
Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9
Mass storage devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10
Miscellaneous parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–11
Sequential part number listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–12
4 Removal and replacement procedures
Preliminary replacement requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
Tools required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
Service considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
Grounding guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2
Component replacement procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–5
Service tag. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–5
Computer feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–6
Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–7
Hard drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–8
Memory module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–11
Wireless module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–13
Optical drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–15
Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–17
Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–20
Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–22
Power button board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–25
TouchPad button board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–26

vMaintenance and Service Guide
Contents
Display assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–27
USB board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–38
Power connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–40
Bluetooth module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–41
Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–42
System board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–43
RTC battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–45
Fan/heat sink assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–46
Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–52
RJ-11 connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–54
Optical drive connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–56
5 Setup Utility
Starting Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1
Changing the language of Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1
Navigating and selecting in Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
Displaying system information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
Restoring default settings in Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
Exiting Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3
Setup Utility menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3
Main menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3
Security menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–3
System Configuration menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4
Diagnostics menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4
6 Specifications
Computer specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1
43.9-cm (17.3-in) HD display specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2
Hard drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe specifications. . . . . . 6–4
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive specifications . . . . . . . . . 6–5
7 Backup and recovery
Creating recovery discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1
When to back up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2
Backup suggestions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2
Using system restore points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–3
Performing a recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–4
Recovering from the recovery discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–4
Recovering from the dedicated recovery partition (select models only) . . . . . . . . . . . . . . . . . . . . . . . 8–4
8 Connector pin assignments
Audio-in (microphone). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–1
Audio-out (headphone) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–1
External monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–2
HDMI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–3
RJ-11 (modem). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–4
RJ-45 (network) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–4
Universal Serial Bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–5

Contents
Maintenance and Service Guide vi
9 Power cord set requirements
Requirements for all countries and regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–1
Requirements for specific countries and regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–2
10Recycling
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–1
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–1
Index

vii Maintenance and Service Guide
Contents

Maintenance and Service Guide 1–1
1
Product description
Category Description
HP G72
UMA
HP G72
Discrete
Product name HP G72 Notebook PC X X
Processors Intel® Core™ i7-620M Processor (4M cache, 2.26 GHz, SC turbo up to 3.33 GHz) X X
Intel Core i5-540M Processor (3M cache, 2.53 GHz, SC turbo up to 3.06 GHz) X X
Intel Core i5-520M Processor (3M cache, 2.4 GHz, SC turbo up to 2.93 GHz) X X
Intel Core i5-430M Processor (3M cache, 2.26 GHz, SC turbo up to 2.53 GHz) X X
Intel Core i3-350M Processor (3M cache, 2.26 GHz) X X
Intel Core i3-330M Processor (3M cache, 2.13 GHz) X X
Chipset Intel HM55 Express X X
Graphics ATI Mobility Radeon™ HD5430 with 512 MB dedicated video memory X
Intel HD Graphics (UMA, integrated) with shared video memory X
■Up to 251 MB of graphics subsystem memory when total system RAM equals or is
greater than 1024 MB
X
■Up to 358 MB of graphics subsystem memory when total system RAM equals or is
greater than 2048 MB
X
Panel 43.9-cm (17.3-in) HD LED BrightView display panel (1600 × 900) X X
16:9 Wide Aspect Ratio X X
Memory 2 customer-accessible/upgradable SODIMM slots X X
Supports dual-channel memory
DDR3, 1333 MHz
XX
Supports up to 8 GB of system memory X X
Supports the following configurations:
■4096 MB total system memory (2048 × 2) X X
■3072 MB total system memory (2048 × 1 + 1024 × 1) X X
■2048 MB total system memory (2048 × 1, 1024 × 2) X X
■1024 MB total system memory (1024 × 1) X X
Hard drives Supports all 9.5-mm, 6.35-cm (2.50-in) SATA hard drives X X
Customer accessible X X
Single hard drive configurations:
500 GB, 7200 rpm X X
320 GB, 7200 rpm X X
250 GB, 7200 rpm X X
Optical drives 12.7-mm fixed SATA tray load X X

1–2 Maintenance and Service Guide
Product description
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe X X
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive X X
Webcam
(select models only)
VGA camera, fixed angle with activity light and single analog microphone X X
Microphone Integrated single analog microphone (for models with no webcam) X X
Audio High-definition audio supports Microsoft® premium requirements with 2 HP Altec
Lansing speakers
XX
Modem
(select models only)
56K V.92 data/fax MDC modem
(computer models not equipped with a modem have a cover over the RJ-11 jack
opening)
XX
Supports all worldwide certification requirements X X
Ethernet Integrated 10/1000 network interface card (NIC) X X
Wireless Integrated wireless local area network (WLAN) by way of wireless module:
2 wireless antennas built into display assembly X X
Support for no-WLAN option X X
Support for the following WLAN formats: X X
■Atheros AR9285 802.11b/g/n 1x1 X X
■Atheros AR9285 802.11b/g/n 1x1 with Bluetooth® X X
■Broadcom 4312G 802.11b/g X X
■Broadcom 4312G 802.11b/g with Bluetooth X X
■Intel Centrino® Wireless-N 1000 802.11b/g/n 1x2 X X
■Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 with Bluetooth X X
■Realtek RTL8191SE 802.11b/g/n 1x1 X X
■Realtek RTL8191SE 802.11b/g/n 1x1 with Bluetooth X X
External media
cards
(select models only)
Digital Media Slot supporting SD, MMC, MS, MSPro, xD cards. Supports mini
versions of SD, MMC, and MS Duo with adapter (not included)
XX
Ports Audio-in (stereo microphone) X X
Audio-out (stereo headphone) X X
High-Definition Multimedia Interface (HDMI) version 1.3 supporting 1080p with
High-bandwidth Digital Content Protection (HDCP) key (select models only)
XX
Hot plug/unplug with auto-detect X X
RJ-11 (modem, select models only) X X
RJ-45 (Ethernet) XX
USB (2) XX
VGA (Dsub 15-pin) supporting
1600 × 1200 external resolution at 75 Hz
XX
Multi-pin AC power XX
Keyboard and
TouchPad
Full-size keyboard, 39.62-cm (15.6-in) with numeric keypad X X
Supports 2-way scroll with legend X X
Category Description
HP G72
UMA
HP G72
Discrete

Product description
Maintenance and Service Guide 1–3
Taps enabled as default X X
Power requirements 65-W AC adapter with localized cable plug support X
90-W AC adapter with localized cable plug support X
6-cell, Li-ion 2.20-Ah, 47-Wh battery X X
6-cell, Li-ion 2.55-Ah, 55-Wh battery X X
Security Kensington Security Lock X X
Operating system Preinstalled:
Windows 7® Professional 32 and 64-bit X X
Windows 7 Home Premium 32 and
64-bit
XX
Serviceability End-user replaceable parts:
AC adapter XX
Battery (system) XX
Hard drive XX
Memory module XX
Optical drive XX
Mini Card components X X
Category Description
HP G72
UMA
HP G72
Discrete

1–4 Maintenance and Service Guide
Product description

Maintenance and Service Guide 2–1
2
External component identification
Top components
TouchPad
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 along the right edge of the TouchPad.
To view or change the pointing device preferences:
1. Select Start > Devices and Printers.
2. Right-click the device representing the computer.
3. Select Mouse settings.
Item Component Function
1 TouchPad off indicator ■When the TouchPad zone is active, the light is off.
■When the TouchPad zone is inactive, the light is amber.
■To switch between active and inactive, quickly double-tap the
TouchPad off indictor.
2TouchPad zone* Moves the pointer and selects or activates items on the screen.
3Left TouchPad control* Use the left side of the TouchPad control button like the left button
on an external mouse.
4Right TouchPad control* Use the right side of the TouchPad control button like the right
button on an external mouse.
*This table describes factory settings.

2–2 Maintenance and Service Guide
External component identification
Lights
✎Your computer might look slightly different from the illustration in this section.
Item Component Description
1TouchPad light ■Off: TouchPad is enabled.
■Amber: TouchPad is disabled.
To switch the TouchPad on and off, quickly double-tap the TouchPad
light.
2Caps lock light On: Caps lock is on.
3Power light ■On: The computer is on.
■Blinking: The computer is in the Sleep state.
■Off: The computer is off or in Hibernation.
4Wireless light ■White: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is on.
■Amber: All wireless devices are off.
5num lk light ■On: The numeric function of the keypad is enabled.
■Off: The navigation function of the keypad is enabled.

External component identification
Maintenance and Service Guide 2–3
Buttons
Item Component Description
1Power 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, press the button
briefly to exit Sleep.
■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.
To learn more about your power settings, select Start > Control
Panel > System and Security > Power Options.
2Speakers (2) Produce sound.
*This table describes factory settings. For information about changing factory settings, see the user guides located in Help
and Support.

2–4 Maintenance and Service Guide
External component identification
Keys
✎Your computer might look slightly different from the illustration in this section.
Item Component Description
1esc key Displays system information when pressed in combination with
the fn key.
2fn key Displays system information when pressed in combination with
the esc key.
3Windows logo key Displays the Windows Start menu.
4Windows applications key Displays a shortcut menu for items beneath the pointer.
5Integrated numeric keypad keys Can be used like the keys on an external numeric keypad.
6Action keys Execute frequently-used system actions.

External component identification
Maintenance and Service Guide 2–5
Left-side components
✎Your computer might look slightly different from the illustration in this section.
Item Component Function
1External monitor port Connects an external VGA monitor or projector.
2Vent Enables airflow to cool internal components.
✎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 HDMI port (select models only) Connects an optional video or audio device, such as a high-definition
television, or any compatible digital or audio component.
4Network connection light White: The computer is connected to the network.
5RJ-45 (network) jack Connects a network cable.
6Network activity light Amber: Data is being transmitted over the network.
7 USB ports (2) Connects optional USB devices.
8Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
9Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, earbuds, a headset, or television audio.
10 Digital media slot (select models only) Supports the following optional digital card formats:
■Memory Stick (MS)
■Memory Stick Pro (MSP)
■MultiMediaCard (MMC)
■Secure Digital (SD) Memory Card
■xD-Picture Card (XD)
11 Drive light On: The hard drive is in use.

2–6 Maintenance and Service Guide
External component identification
Right-side components
✎Your computer might look slightly different from the illustration in this section.
Item Component Function
1Optical drive Reads optical discs and, on select models, also writes to optical discs.
2 Optical drive light on release button Blinking: The optical drive is being accessed.
3USB port Connects to an optional USB device.
4RJ-11 (modem) jack (select models only) Connects a modem cable (purchased separately).
5 AC adapter light ■Blinking white: The computer is in the Sleep state.
■Solid white: The computer is connected to external power.
■Amber: The computer is charging.
■Off: The computer is not connected to external power.
6Power connector Connects an AC adapter.
7Security cable slot Attaches an optional security cable to the computer.
✎The security cable is designed to act as a deterrent, but it might
not prevent the computer from being mishandled or stolen.

External component identification
Maintenance and Service Guide 2–7
Bottom components
Item Component Function
1 Battery bay Holds the battery.
2 Vents (4) Enable airflow to cool internal components.
✎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 Battery release latch Releases the battery from the battery bay.
4Hard drive bay Holds the hard drive.
5Memory module compartment Holds two memory modules and the wireless local area network
(WLAN) module.
ÄTo prevent an unresponsive system, replace the wireless
module only with a wireless module authorized for use in
the computer by the governmental agency that regulates
wireless devices in your country or region. If you replace
the module and then receive a warning message, remove
the module to restore computer functionality, and then
contact technical support through Help and Support.

2–8 Maintenance and Service Guide
External component identification
Display components
Item Component Description
1Internal microphone Records sound.
2Webcam (select models only) Records video and captures still photographs.
3Webcam light (select models only) On: The webcam is in use.