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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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MSG revision history Revision Publication date Description A March 2010 Edited this guide to include HP G42 Notebook PC and Compaq CQ42 Notebook PC information only. B October 2010 ● Added newly supported hard drives to spare parts listings in the following locations: Computer major components on page 24, Mass storage devices on page 34, Sequential part number listing on page 37, Hard drive on page 53. ● Added newly supported memory modules to spare parts listings in the following locations: Com
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iv MSG revision history ENWW
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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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vi Safety warning notice ENWW
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Table of contents 1 Product description ........................................................................................................................................ 1 2 External component identification .............................................................................................................. 11 Identifying the hardware ..................................................................................................................... 11 Top components ........
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Electrostatic discharge damage ........................................................................ 47 Packaging and transporting guidelines ............................................. 48 Workstation guidelines ..................................................................... 48 Equipment guidelines ....................................................................... 49 Component replacement procedures .................................................................................
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Starting Computer Setup ................................................................................................. 102 Using Computer Setup .................................................................................................... 102 Navigating and selecting in Computer Setup .................................................. 102 Restoring factory settings in Computer Setup ................................................. 103 Computer Setup menus ..............................
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Requirements for specific countries or regions ................................................................................ 130 10 Recycling ................................................................................................................................................... 131 Battery .............................................................................................................................................. 131 Display .......................................
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1 Product description Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 Product Compaq Presario √√ √ Name 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 L
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 DC T4300, 2.1-GHz, √ 800-MHz FSB, 1-MB L2 cache DC T4400, 2.2-GHz, √ 800-MHz FSB, 1-MB L2 cache Intel Celeron™ DC T3000, 1.8-GHz √ 800-MHz FSB, 1-MB L2 cache DC T3100, 1.9-GHz, √ 800-MHz FSB, 1-MB L2 cache Mobile 925 - 2.3- √√ √ GHz 1M L2 cache Chipset Intel® HM55 √√ √ √ Express Intel® GL40 √ Southbridge: ICH9m
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete 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 ●
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 ATi Discrete PCI √ Express x 16 Graphics ● ATi Mobility Radeon Park- LP S3 package (ATI Mobility Radeon™ HD5430 with 512-MB of dedicated video memory (64- MB×16 DDR3, 4 pcs, 800- MHz)) Switchable √ √ Discrete Graphics ● ATi Robson XT (ATI Mobility Radeon™ HD6370) with 512MB of dedicated memory (64Mx16 DDR3 800 MHz x 4 PCs) ● ATi Robs
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 Customer- √√ √ √ √ accessible and upgradable Supports up to 8 GB √√ √ √ √ of system memory DDR3, 1066-MHz, √√ √ √ dual-channel memory (DDR3 1333 MHz can be downgraded to DDR3 1066 MHz) DDR3, 800-MHz, √ dual-channel memory (DDR3 1333 MHz can be downgraded to DDR3 800 MHz) Supports the following configurations: ● 4096 MB (2048
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 ● 320 GB, 7200 √√ √ √ √ rpm ● 250 GB, 7200 √√ √ √ √ rpm ● 160 GB, 7200 √√ √ √ rpm Optical Fixed (removal of √√ √ √ √ drives one screw required) SATA √√ √ √ √ 12.7-mm (0.50-in) √√ √ √ √ fixed tray load Supports the following drives: ● Blu-ray ROM √√ √ √ with LightScribe DVD±R/RW SuperMulti DL Drive ● Blu-ray ROM √√ √ √ DVD±R/
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 Altec Lansing √√ √ √ √ speakers Modem Support for optional √√ √ √ √ (select models high-speed 56k only) 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 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 Realtek RTL8191SE √√ √ √ √ 802.11b/g/n 1x1 WiFi Adapter plus Broadcom 2070 Bluetooth 2.1+EDR Adapter External 5-in-1 Digital Media √√ √ √ √ media card Slot; supports SD, (select models MMC, MS, Mspro, only ) xD Single port √√ √ √ configured as either HDMI or 5-in-1 Digital Media Slot Supports mini √√ √ √ √ versions of SD, MMC, and MS Du
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Category Description HP G42 HP G42 Compaq Compaq Compaq Presario Presario Presario CQ42 CQ42 CQ42 Discrete UMA Discrete UMA Models UMA Models 150-199 100-149 Smart-pin AC √√ √ √ √ adapter plug Keyboard/ 14.0-inch keyboard √√ √ √ √ pointing devices TouchPad with 2 √√ √ √ √ buttons and 2-way scroll (taps enabled as default) Power 6-cell (47-Wh) 2.20- √√ √ √ √ requirements Ah Li-ion battery 65-W AC adapter √√ √√ with Smart-Pin DC connector 90-W AC adapter √ with Smart-Pin DC connector Securi
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10 Chapter 1 Product description ENWW
