Compaq Laptop CQ41 user manual

User manual for the device Compaq Laptop CQ41

Device: Compaq Laptop CQ41
Size: 2,52 MB
Date of adding : 2014-06-27 17:49:48
Number of pages: 134
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Compaq Laptop CQ41 user manual
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Abstracts of contents
Summary of the content on the page No. 1

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.

Summary of the content on the page No. 2

© Copyright 2009 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, 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

Summary of the content on the page No. 3

Safety warning notice WARNING: To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly Å 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 clo

Summary of the content on the page No. 4

Contents 1 Product description 2 External component identification Top components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of the content on the page No. 5

Contents Keyboard cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–23 Speaker assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–25 Display assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–27 Webcam/microphone module (select mod

Summary of the content on the page No. 6

Contents 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. . . . . . . .

Summary of the content on the page No. 7

1 Product description Discrete graphics UMA graphics Category Description subsystem memory 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

Summary of the content on the page No. 8

Product description Discrete graphics UMA graphics Category Description subsystem memory subsystem memory 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 tota

Summary of the content on the page No. 9

Product description Discrete graphics UMA graphics Category Description subsystem memory subsystem memory 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 Digital Media Slot supporting Memory Stick (MS),   cards Memory Stick Pro (MSP), M

Summary of the content on the page No. 10

Product description Discrete graphics UMA graphics Category Description subsystem memory subsystem memory 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 1–4 Maintenance and Service Guide

Summary of the content on the page No. 11

2 External component identification Top components TouchPad 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 tab

Summary of the content on the page No. 12

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 Batt

Summary of the content on the page No. 13

External component identification 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 t

Summary of the content on the page No. 14

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 (

Summary of the content on the page No. 15

External component identification 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  On—The webcam is in use. (select models only) 4 Webcam  Records video and captures still photographs. (select models only) Maintenance and Service Guide 2–5

Summary of the content on the page No. 16

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 po

Summary of the content on the page No. 17

External component identification 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. Maintenance and Service Guide 2–7

Summary of the content on the page No. 18

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  Connects a modem cable. (select models only) 5 Power connector Connects an AC adapter. 2–8 Maintenance and Service Guide

Summary of the content on the page No. 19

External component identification 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,

Summary of the content on the page No. 20

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. To prevent an unresponsive system, replace the wireless module only Ä 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 functional


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