Compaq Presario CQ20 user manual

User manual for the device Compaq Presario CQ20

Device: Compaq Presario CQ20
Size: 2,77 MB
Date of adding : 2013-05-07 18:05:44
Number of pages: 131
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Compaq Presario CQ20 user manual
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Abstracts of contents
Summary of the content on the page No. 1

b
Compaq Presario CQ20 Notebook PC
Maintenance and Service Guide
Document Part Number: 482402-002
October 2008
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 2008 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Core, and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Microsoft, Windows, and Windows Vista are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to change

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 Display components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of the content on the page No. 5

Contents Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–32 System board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–34 RTC battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–36 Modem module . . . .

Summary of the content on the page No. 6

Contents 8 Backup and recovery Creating recovery discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1 Backing up your information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2 When to back up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2 Backup

Summary of the content on the page No. 7

1 Product description Models with Models with GL40 system GM45 system Category Description board board Product Name Compaq Presario CQ20 Notebook PC XX Processors Intel® Core™2 Duo processors: T9600 2.8-GHz processor, 6-MB L2 cache, 1066-MHz front X side bus (FSB) T9400 2.53-GHz processor, 6-MB L2 cache, 1066-MHz FSB X P9500 2.53-GHz processor, 6-MB L2 cache, 1066-MHz FSB X P8600 2.4-GHz, 3-MB L2 cache, 1066-MHz FSB X P8400 2.26-GHz processor, 3-MB L2 cache, 1066-MHz FSB X P7350 2.0-GHz proc

Summary of the content on the page No. 8

Product description Models with Models with GL40 system GM45 system Category Description board board Memory 2 customer-accessible/upgradable memory module slots X X Supports dual-channel memory X X Supports up to 4 GB of system RAM X X PC2-6400, 800-MHz, DDR2 X X PC2-6400, 800-MHz, DDR2 supports the following configurations: ■ 4096-MB total system memory (2048 × 2, dual-channel) X X ■ 3072-MB total system memory (2048 + 1024) X X ■ 2048-MB total system memory (1024 × 2, dual-channel) X X ■ 2

Summary of the content on the page No. 9

Product description Models with Models with GL40 system GM45 system Category Description board board Ethernet Intel Broadcom 88E8072 10/100/1000 network interface XX card (NIC) Ethernet cable included X X Wireless Integrated WLAN options by way of wireless module: 2 wireless antennae built into display assembly X X Supports no-WLAN option X X Support for the following WLAN formats: ■ Broadcom 802.11a/b/g/nXX ■ Intel 802.11a/b/g/nXX ■ Broadcom 802.11b/g X X Integrated personal area network (

Summary of the content on the page No. 10

Product description Models with Models with GL40 system GM45 system Category Description board board Operating system Preinstalled: Windows Vista® Home Basic 32 with Office 2007 Ready X X Windows Vista Business 32 with Office 2007 Ready X X Windows Vista Home Premium 32 with Office 2007 Ready X X FreeDOS XX Serviceability End-user replaceable parts: AC adapter X X Battery (system) X X Hard drive X X Memory module X X Optical drive X X WLAN module X X 1–4 Maintenance and Service Guide

Summary of the content on the page No. 11

2 External component identification Top components Display components Item Component Description Wireless antennae (2) Send and receive signals from one or more wireless devices. 1 (select models only) The antennae are not visible from the outside of the computer. For ✎ optimal transmission, keep the areas immediately around the antennae free from obstructions. To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your c

Summary of the content on the page No. 12

External component identification TouchPad Item Component Function TouchPad* Moves the pointer and selects or activates items on the screen. 1 Left TouchPad button* Functions like the left button on an external mouse. 2 Right TouchPad button* Functions like the right button on an external mouse. 3 TouchPad scroll zone Scrolls up or down. 4 *This table describes factory settings. To view or change device preferences, select Start > Control Panel > Hardware and Sound > Mouse. 2–2 Maintenanc

Summary of the content on the page No. 13

External component identification Buttons Item Component Description Power button ■ When the computer is off, press the button to turn on the computer. 1 ■ When the computer is on, press the button to shut down the system. ■ When the computer is in Hibernation, press the button briefly to exit Hibernation. ■ When the computer is in the Sleep state, press the button briefly to exit the Sleep state. If the computer has stopped responding and Windows® shutdown procedures are ineffective, p

Summary of the content on the page No. 14

External component identification Keys Item Component Function esc key Displays system information when pressed in combination with the fn key. 1 fn key Executes frequently used system functions when pressed in combination with 2 a function key or the esc key. Windows logo key Displays the Windows Start menu. 3 Windows applications key Displays a shortcut menu for items beneath the pointer. 4 Embedded numeric keypad keys Can be used like the keys on an external numeric keypad. 5 Function

Summary of the content on the page No. 15

External component identification Lights Item Component Description Caps lock light On: Caps lock is on. 1 Battery light (beside power connector) ■ Amber: A battery is charging. 2 ■ Green: A battery is close to full charge capacity. ■ Blinking amber: A battery that is the only available power source has reached a low battery level. When the battery reaches a critical battery level, the battery light begins blinking rapidly. ■ Off: If the computer is plugged into an external power source, t

Summary of the content on the page No. 16

External component identification Front components Item Component Description Drive light ■ Blinking green: The hard drive or optical drive is being accessed. 1 ■ Amber: (select models only) HP 3D DriveGaurd has temporarily parked the hard drive. Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array 2 microphone, or monaural microphone. Audio-out (headphone) jack Produces sound when connected to optional powered stereo speakers, 3 headphones, ear buds, a h

Summary of the content on the page No. 17

External component identification Right-side components Item Component Function ExpressCard slot (select models only) Supports optional ExpressCards. 1 Digital Media Slot (select models only) Supports the following optional digital card formats: 2 ■ MultiMedia Card ■ MultiMedia Card Plus ■ Secure Digital (SD) Memory Card ■ Secure Digital High Capacity Memory Card HDMI port (select models only) Connects an optional video or audio device, such as a high-definition 3 television or any compatibl

Summary of the content on the page No. 18

External component identification Bottom components Item Component Function Vents (3) Enables airflow to cool internal components. 1 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. Battery bay Holds the battery. 2 Battery release latch Releases the battery from the battery bay. 3 Wireless module compartment Holds a WLAN module (select models only). 4 To prevent a

Summary of the content on the page No. 19

3 Illustrated parts catalog Serial number location When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer. Item Component Description 1 Product name This is the product name affixed to the front of your computer. 2 Serial number (s/n) This is an alphanumeric identifier that is unique to each product. 3 Part number/Product number (p/n) This number provides specific information about the product’s hardware componen

Summary of the content on the page No. 20

Illustrated parts catalog Computer major components 3–2 Maintenance and Service Guide


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