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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.
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© 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
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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
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iv Safety warning notice
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Table of contents 1 Product description ........................................................................................................... 1 2 External component identification ..................................................................................... 8 Identifying the hardware ........................................................................................................... 8 Top components ..........................................................................
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Electrostatic discharge damage .................................................................. 40 Packaging and transporting guidelines ........................................ 41 Workstation guidelines .............................................................. 41 Equipment guidelines ................................................................. 42 Component replacement procedures ........................................................................................ 43 Serial number
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Starting Computer Setup .......................................................................................... 99 Using Computer Setup ............................................................................................. 99 Navigating and selecting in Computer Setup ............................................... 99 Restoring factory settings in Computer Setup .............................................. 100 Computer Setup menus .....................................................
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Requirements for specific countries or regions .......................................................................... 124 10 Recycling .................................................................................................................... 125 Battery ................................................................................................................................ 125 Display ..........................................................................................
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1 Product description Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 Product Name Compaq Presario CQ42 √√√ Notebook PC HP G42 Notebook PC √ Processors Intel® Arrandale™ i7-620M, 2.66-GHz, SC turbo, 4-MB √√ √ L3 cache i5-540M, 2.53-GHz, SC turbo, 3-MB √√ √ L3 cache i5-520M, 2.4-GHz, SC turbo, 3-MB √√ √ L3 cache i5-430M 2.26-GHz (turbo to 2.53- √√ √ GHz) 3-MB L3 cache i3-350M, 2.26-
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 DC N830 Tri-core 2.1Ghz 1.5M L2 √√ √ 35W N620 DDR3-1333 Mhz √√ √ DC QC P920 1.6Ghz 2M L2 25W √√ √ DC P820 Tri-Core 1.8Ghz 1.5M L2 √√ √ 25W DC P820 Tri-Core 1.8Ghz 1.5M L2 √√ √ 25W AMD Turion™ II Processor DC N530 DC 2.5GHz L2 35W √√ √ P520 DDR3-1066 Mh √√ √ AMD Athlon™ II Processor DC N330 2.3GHz 1M L2 35W √√ √ P320 DDR3-1066
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 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 ● Up to 797 MB
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 DDR3, 800-MHz, dual-channel √ memory (DDR3 1333 MHz can be downgraded to DDR3 800 MHz) Supports the following configurations: ● 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) √ √√√
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 Fixed (no tilt) √ √√√ 640 × 480 by 24 frames per second √ √√√ Microphone One microphone, analog √ √√√ Audio HD audio √ √√√ Supports Microsoft Premium √ √√√ requirements Altec Lansing speakers √ √√√ Modem Support for optional high-speed 56k √ √√√ modem Ethernet Integrated 10/100 network interface √ √√√ card (NIC) Wireless Integrated wireless local a
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 Single port configured as either HDMI √√ √ or 5-in-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 √ √√√ wide-aspect or
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA UMA Models 150 Models 100 – 199 – 149 Windows 7 Home Premium (32 & 64 √√√ bit) Windows 7 Home Basic (32 & 64 bit) √√ Windows 7 Starter (32 bit) √√ Free DOS √√√ Novell Linux √√ Serviceability End-user replaceable parts: AC adapter √ √√√ Battery (system) √ √√√ Hard drive √ √√√ Memory module √ √√√ Optical drive √ √√√ Mini-card device √ √√√ 7
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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 configurati
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Top components TouchPad Component Description (1) 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. (2) TouchPad zone 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) Right TouchPad button Functions like the right button on an external mouse. There is an unmarked scroll zone inside th
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Lights Component Description ● (1) TouchPad light On: The TouchPad is disabled. ● Off: The TouchPad is enabled. (2) Caps lock light On: Caps lock is on. ● (3) Power light On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. ● (4) Wireless 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. 10 Chapter 2 External co
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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 h
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Keys Component Description (1) esc key Displays system information when pressed in combination with the fn key. (2) fn key Displays system information when pressed in combination with the esc key. (3) Windows logo key Displays the Windows Start menu. (4) Windows applications key Displays a shortcut menu for items beneath the pointer. (5) Navigation keys Navigate using the Up, Down, Left and Right arrow keys. (6) Action keys Execute frequently used system actions. 12 Chapter 2 External componen
