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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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MSG revision history Revision Publication date Description A April 2010 Edited this guide to include HP G42 Notebook PC and Compaq CQ42 Notebook PC information only. B October 2010 Added newly supported memory modules to spare parts listings in ● the following locations: Computer major components on page 20, Mass storage devices on page 29, Sequential part number listing on page 31, Memory module on page 51. Added newly supported processors to spare parts listings in the ● following locations: C
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vi MSG revision history
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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 ........................................................................ 38 Packaging and transporting guidelines ............................................. 39 Workstation guidelines ..................................................................... 39 Equipment guidelines ....................................................................... 40 Component replacement procedures .................................................................................
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Starting Computer Setup ................................................................................................... 90 Using Computer Setup ...................................................................................................... 90 Navigating and selecting in Computer Setup .................................................... 90 Restoring factory settings in Computer Setup ................................................... 91 Computer Setup menus ..........................
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Requirements for specific countries or regions ................................................................................ 115 10 Recycling ................................................................................................................................................... 116 Battery .............................................................................................................................................. 116 Display .......................................
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1 Product description Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA Models UMA Models 150 – 199 100 – 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 Models UMA Models 150 – 199 100 – 149 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 Mhz √√ √ AMD Sempron™ II Processor
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA Models UMA Models 150 – 199 100 – 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 Models UMA Models 150 – 199 100 – 149 ● 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) √ √√√ hard drives Serial ATA √ √√√ Supports the following drives: ● 640-GB 5400 RPM √√ √ 500 GB, 7200 rpm √√ √ ● ● 320 GB, 7200
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA Models UMA Models 150 – 199 100 – 149 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 area network (WLAN) options by way of wireless module: Intel Centrino Wireless-N 1000 √√ √ 802.11b/g 1x2 Intel Centrino
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA Models UMA Models 150 – 199 100 – 149 HDMI v1.3 supporting 1080p with √ √√√ HDCP key Single port configured for either √√ √ HDMI or 5-in-1 card reader USB 2.0 (3) √ √√√ RJ-11 (modem) with modem option √ √√√ RJ-45 (Ethernet, with link and activity √ √√√ lights) Audio-in (mono microphone) √ √√√ Audio-out (stereo headphone) √ √√√ Smart-pin AC adapter plug √ √√√ Keyboard/ 14.0-inch ke
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Category Description HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 UMA Discrete UMA Models UMA Models 150 – 199 100 – 149 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
