Compaq Presario CQ41-200 - Notebook PC User manual

Compaq Presario CQ41 Notebook PC

Maintenance and Service Guide

Document Part Number: 598099-001

December 2009

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.

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, Arrandale, 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: December 2009

Document Part Number: 598099-001

Safety warning notice

Å

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).

Maintenance and Service Guide iv

Contents

1 Product description

2 External component identification

Top components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2

Buttons and speakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3

Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5

Front components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6

Rear component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7

Right-side components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8

Left-side components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9

Bottom components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10

Wireless antennas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–11

Additional hardware components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12

3 Illustrated parts catalog

Service tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1

Computer major components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2

Display assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–7

Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–8

Mass storage devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–9

Miscellaneous parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10

Sequential part number listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–11

4 Removal and replacement procedures

Preliminary replacement requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

Tools required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

Service considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

Plastic parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–10

RTC battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–12

WLAN module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–14

Optical drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–20

Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–21

v Maintenance and Service Guide

Contents

Keyboard cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–23

Speaker assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–25

Display assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–27

Webcam/microphone module (select models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–33

Microphone module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–34

Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–35

Bluetooth module and cable (select models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–38

Modem module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–40

Audio board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–42

USB board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–44

Power connector and cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–46

System board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–48

Heat sink/fan assembly or heat sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–52

Fan (for models with UMA graphics subsystems) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–56

Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–57

5 Setup Utility

Starting Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

Using 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

14.1-in display specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2

Hard drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3

Blu-ray ROM DVD±R/RW SuperMulti DL Drive with LightScribe specifications. . . . . . . . . . . . . . . . . . 6–4

DVD±RW SuperMulti DL Drive with LightScribe specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–5

System DMA specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–6

System interrupt specifications (for models with discrete graphics subsystems) . . . . . . . . . . . . . . . . . . . . 6–6

System interrupt specifications (for models with UMA graphics subsystems) . . . . . . . . . . . . . . . . . . . . . . 6–7

System I/O address specifications (for models with discrete graphics subsystems) . . . . . . . . . . . . . . . . . . 6–8

System I/O address specification (for models with UMA graphics subsystems) . . . . . . . . . . . . . . . . . . . 6–10

7 Backup and recovery

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1

Creating recovery discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–2

Backing up your information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3

Using Windows Backup and Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–4

Using system restore points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–4

Performing a recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–5

Recovering from the recovery discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–6

Contents

Maintenance and Service Guide vi

Recovering from the dedicated recovery partition (select models only) . . . . . . . . . . . . . . . . . . . . . . . 7–6

8 Connector pin assignments

Audio-in (microphone). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1

Audio-out (headphone) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1

External monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2

HDMI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–3

RJ-11 (modem) (select models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–4

RJ-45 (network) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–5

Universal Serial Bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–6

9 Power cord set requirements

Requirements for all countries and regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–1

Requirements for specific countries and regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–2

10Recycling

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–1

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–1

Index

Maintenance and Service Guide 1–1

1

Product description

Category Description

Discrete graphics

subsystem memory

UMA graphics

subsystem memory

Product Name Compaq Presario CQ41 Notebook PC  

Processors Intel Arrandale™ CPU-uPGA Socket Single-Core

i5-520M (2.4 GHz, 3 MB L3 cache, 1066 MHz SC

Turbo)

 

Intel Arrandale CPU-uPGA Socket Single-Core

i5-540M (2.53 GHz, 3 MB L3 cache, 1066 MHz SC

Turbo)

 

Chipset Intel™ HM55  

Graphics ATI Discrete Mobility Radeon™ HD4350 with 512

MB dedicated video memory



Mobile Intel GMA Media Accelerator HD unified

memory architecture (UMA, integrated) with shared

video memory:



■ Up to 285 MB of video memory on computer

models equipped with 1 GB of main system

memory.

■ Up to 797 MB of video memory on computer

models equipped with 2 GB of main system

memory.

■ Up to 1309 MB of video memory on computer

models equipped with 3 GB of main system

memory.

■ Up to 1295 MB of video memory on computer

models equipped with 4 GB of main system

memory (32-bit OS).

■ Up to 1695 MB of video memory on computer

models equipped with 4 GB of main system

memory (64-bit OS).



Panel 14.1-in WXGA BrightView (1280 × 800) display

panel

16:10 wide aspect ratio

 

(Continued)

1–2 Maintenance and Service Guide

Product description

Memory 2 customer-accessible/upgradable memory module

slots

Supports dual-channel memory

Supports up to 4 GB of system RAM,

1600 MHz, DDR3

Supports the following configurations:

■ 4096 MB total system memory

(2048

× 2, dual-channel)

■ 3072 MB total system memory (2048 + 1024)

■ 2048 MB total system memory

(1024

× 2, dual-channel)

■ 2048 MB total system memory (2048 × 1)

■ 1024 MB total system memory (1024 × 1)

 

Hard drive Supports a 9.50-mm, 6.35-cm (2.50 in) hard drive

Customer-accessible

Serial ATA

Supports the following hard drives:

500 GB, 7200 rpm

320 GB, 7200 rpm

250 GB, 7200 rpm

160 GB, 7200 rpm

 

Optical drive 12.7 mm tray load

Serial ATA (SATA)

Fixed (removal of 1 screw required)

Customer-accessible

Parallel ATA

Supports no-optical-drive option

Supports the following drives:

■ DVD±R/RW SuperMulti DL Drive with LightScribe

■ Blu-ray ROM DVD±R/RW SuperMulti DL Drive

with LightScribe

 

Microphone Single analog microphone  

Audio High-definition audio

Supports Microsoft® premium requirements

Presario-branded Altec Lansing speakers

 

Modem (select

models only)

56K MDC V.92 data/fax modem (select models only)  

Webcam (select

models only)

VGA webcam

Fixed (no tilt)

Activity LED

640 × 480, 24 frames per second

 

Ethernet Integrated 10/100 network interface card (NIC)  

(Continued)

Category Description

Discrete graphics

subsystem memory

UMA graphics

subsystem memory

Product description

Maintenance and Service Guide 1–3

Wireless Integrated WLAN options by way of wireless module

2 wireless antennas built into display assembly

Supports no-WLAN option

Support for the following WLAN formats:

Broadcom BCM4312 802.11b/g WLAN module

Atheros AR5009 802.11a/b/g/n WLAN module

Atheros AR9285 802.11b/g/n WLAN module

 

External media

cards

Digital Media Slot supporting Memory Stick (MS),

Memory Stick Pro (MSP), MultiMediaCard (MMC),

Secure Digital (SD) Memory Card, and xD-Picture

Card (XD). Adapter (purchased separately) provides

support for mini versions of SD, MMC, and MS

Duo

 

Ports Audio-in (stereo microphone)

Audio-out (stereo headphone)

RJ-11 modem (select models only)

HDMI v. 1.3b supporting 1080p with HDCP key

HP Smart Adapter power

RJ-45 network (Ethernet, includes link and

activity

lights)

USB 2.0

VGA (Dsub 15-pin) supports the following

resolutions:

1920 × 1200 external resolution at 60 GHz

1600 × 1200 external resolution at 75 GHz

Hot plug/unplug with auto-detect



Keyboard/pointing

devices

14.1-in keyboard

TouchPad with twoTouchPad buttons

Supports two-way scroll

Taps enabled as default

 

Power requirements 90 W HP Smart Adapter with localized cable

plug

support (three-wire plug with ground pin,

supports three-pin DC connector)



65 W HP Smart Adapter with localized cable

plug

support (three-wire plug with ground pin,

supports three-pin DC connector)



Battery option:

6-cell, 2.20 Ah (47 Wh) Li-ion battery

 

(Continued)

Category Description

Discrete graphics

subsystem memory

UMA graphics

subsystem memory

1–4 Maintenance and Service Guide

Product description

Security Kensington Security Lock  

Operating system Preinstalled:

Windows

®

7 Professional (64-bit or 32-bit OS)

Windows 7 Premium (64-bit or 32-bit OS)

Windows 7 Basic (32-bit OS)

FreeDOS

 

Serviceability End-user replaceable parts:

AC adapter

Battery (system)

Hard drive

Memory modules

MiniCard components

Optical drive

WLAN module

 

Category Description

Discrete graphics

subsystem memory

UMA graphics

subsystem memory

Maintenance and Service Guide 2–1

2

External component identification

Top components

TouchPad

To view or change the pointing device preferences:

1. Select Start > Devices and Printers.

2. Right-click the device representing your computer.

3. Select Mouse settings.

Item Component Description

1 TouchPad light White—TouchPad is enabled.

Amber—TouchPad is disabled.

2 TouchPad* Moves the pointer and selects or activates items on the screen.

3 Left TouchPad button* Functions like the left button on an external mouse.

4 TouchPad on/off button Enables/disables the TouchPad.

5 TouchPad scroll zone Scrolls up or down.

6 Right TouchPad button* Functions like the right button on an external mouse.

*This table describes factory settings.

2–2 Maintenance and Service Guide

External component identification

Lights

Item Component Description

1 Caps lock light On—Caps lock is on.

2 Power lights (2)* On—The computer is on.

Flashing—The computer is in the Sleep.

Off—The computer is off or in Hibernation.

3 Wireless light Blue—An integrated wireless device, such as a wireless local area network

(WLAN) device and/or a Bluetooth® device, is on.

Amber—No wireless devices are detected.

4 Num lock light On—The num lock is on or the embedded numeric keypad is enabled.

5 Battery light On—The battery is charging.

Flashing—The battery reaches a low battery level or a critical battery level.

Off—If the computer is connected to an external power source, the light is off

when all batteries in the computer are fully charged. If the computer is not

connected to an external power source, the light is off until the battery

reaches a low battery level.

6 Drive light Flashing—The hard drive or optical drive is being accessed.

*The two power lights display the same information. The light on the power button is visible only when the computer is open.

The power light on the front of the computer is visible whether the computer is open or closed.

External component identification

Maintenance and Service Guide 2–3

Buttons and speakers

Item 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 to initiate Sleep.

When the computer is in Sleep, press the button to exit Sleep.

When the computer is in Hibernation, 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 five seconds to

shut down the computer.

To learn more about power settings, select Start > Control Panel > System

and Security > Power Options.

3 Wireless button Turns the wireless feature on or off but does not create a wireless

connection.

✎

A wireless network must be set up in order to establish a wireless

connection.

*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

Item 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 at the same time as

a function key or the esc key.

3 Windows logo key Displays the Windows Start menu.

4 Embedded numeric keypad keys Used like the keys on an external numeric keypad.

5 Windows applications key Displays a shortcut menu for items beneath the pointer.

6 Navigation keys (home, pg up,

pg

down)

Execute volume mute, volume up, or volume down when pressed at the same

time as the fn key.

7 Function keys Execute frequently used system functions when pressed at the same time as

the fn key.

External component identification

Maintenance and Service Guide 2–5

Display

Item Component Description

1 Internal display switch Turns off the display if the display is closed while the computer is turned on.

2 Internal microphone Records sound.

3 Webcam light 

(select models only)

On—The webcam is in use.

4 Webcam 

(select models only)

Records video and captures still photographs.

2–6 Maintenance and Service Guide

External component identification

Front components

Item Component Description

1 Power light On—The computer is on.

Flashing—The computer is in Sleep.

Off—The computer is off or in Hibernation.

2 Battery light On—The battery is charging.

Flashing—The battery reaches a low battery level or a critical battery level.

Off—If the computer is connected to an external power source, the light is off

when all batteries in the computer are fully charged. If the computer is not

connected to an external power source, the light is off until the battery

reaches a low battery level.

3 Drive light Flashing—The hard drive or the optical drive is being accessed.

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.

External component identification

Maintenance and Service Guide 2–7

Rear component

Component Description

Vent 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.

2–8 Maintenance and Service Guide

External component identification

Right-side components

Item Component Description

1 Optical drive light Flashing—The optical drive is being accessed.

2 Optical drive Reads and writes to optical discs.

3 USB ports (2) Connect optional USB devices.

4 RJ-11 (modem) jack 

(select models only)

Connects a modem cable.

5 Power connector Connects an AC adapter.

External component identification

Maintenance and Service Guide 2–9

Left-side components

Item Component Description

1 Security 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.

2 External monitor port Connects an external VGA monitor or projector.

3 RJ-45 (network) jack Connects a network cable.

4 HDMI port Connects an optional video or audio device, such as a high-definition

television, or any compatible digital or audio component.

5 USB port Connects an optional USB device.

6 Digital Media Slot light On—Accessing a digital card.

7 Digital Media Slot 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)

2–10 Maintenance and Service Guide

External component identification

Bottom components

Item Component Description

1 Hard Drive bay Holds the hard drive and, on select models, the wireless LAN (WLAN) device.

Ä

To 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 Memory Module compartment Contains the two memory module slots.

3 Mini Card compartment Holds the real-time clock (RTC) battery and, on select models, the WLAN

device.

Ä

To 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.

4 Battery Release latch Releases the battery from the battery bay.

5 Battery bay Holds the battery.

6 Vents (3) 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.

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