HP G42-100 Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan
HP G42-100 - Notebook PC Manual
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- HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 1
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 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 2
to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 3
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 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 4
iv Safety warning notice - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 5
devices ...27 Miscellaneous parts ...28 Sequential part number listing 29 4 Removal and replacement procedures 34 Preliminary replacement requirements 34 Tools required ...34 Service considerations 34 Plastic parts 34 Cables and connectors 35 Drive handling 35 Grounding guidelines 36 v - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 6
Electrostatic discharge damage 36 Packaging and transporting guidelines 37 Workstation guidelines 37 Equipment guidelines 38 Component replacement procedures 39 Serial number ...39 Computer feet ...40 Battery ...41 Hard drive ...42 Optical drive ...45 WLAN module ...47 Memory module ...50 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 7
95 Computer Setup menus 96 File menu 96 Security menu 97 Diagnostics menu 97 System Configuration menu 98 6 Specifications ...100 Computer specifications ...100 35.6-cm (14.0-in) display specifications 101 Hard drive specifications ...102 DVD±RW SuperMulti Double-Layer Drive with LightScribe - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 8
Requirements for specific countries or regions 119 10 Recycling ...120 Battery ...120 Display ...120 Index ...126 viii - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 9
1 Product description Category Description HP G42 UMA Product Name Compaq Presario CQ40 Notebook PC HP G42 Notebook PC √ Processors Intel® Arrandale™ i7-620M, 2.66-GHz, CQ42 Compaq Presario CQ42 UMA UMA Models 150 Models 100 - 199 - 149 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 10
Category Graphics Description HP G42 UMA Southbridge: ICH9m Intel UMA (integrated)/HD √ Graphics dedicated video memory (64-MB×16 DDR3, 4 pcs, 800-MHz)) Support for BD or HD-DVD √ playback with HD decoder and DX10 support Compaq Presario CQ42 Compaq Presario CQ42 Compaq Presario CQ42 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 11
HP G42 UMA Panel 35.6-cm (14.0-in) HD LED √ BrightView (1366 x 768 resolution) Memory 16:9 wide aspect ratio √ 2 SODIMM slots √ Customer-accessible and upgradable √ Supports Presario CQ42 Compaq Presario CQ42 Discrete UMA UMA Models 150 Models 100 - 199 - 149 √ √ √ √ √ √ √ - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 12
Category Description HP G42 UMA ● Blu-ray ROM with LightScribe √ DVD±R/RW SuperMulti DL Drive ● Blu-ray ROM DVD±R/RW √ SuperMulti DL Drive ● DVD±R/RW SuperMulti DL Drive √ with LightScribe ● DVD±R/RW SuperMulti DL Drive √ Diskette drive Supports external USB drive only √ Camera VGA - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 13
HP G42 UMA Broadcom 4312G 802.11b/g WiFi Adapter plus Broadcom 2070 Bluetooth 2.1+EDR Adapter Realtek RTL8191SE 802.11b/g/n √ 1x1 WiFi Adapter Realtek RTL8191SE 802.11b/g/n √ 1x1 WiFi Adapter plus Broadcom 2070 Bluetooth 2.1+EDR Adapter External media 5-in-1 Digital Media Slot; supports 100 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 14
HP G42 Windows 7 Home Basic (32 & 64 bit) Free DOS Serviceability End-user replaceable parts: AC adapter √ Battery (system) √ Compaq Presario CQ42 Compaq Presario CQ42 Compaq Presario CQ42 Discrete UMA UMA Models 150 Models 100 - 199 - 149 √ √ √ √ √ √ √ √ √ √ √ √ - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 15
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. - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 16
up or down inside the right edge of the TouchPad. For more information about TouchPad features, refer to" Using the TouchPad" section later in this guide. 8 Chapter 2 External component identification - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 17
Lights Component (1) TouchPad light (2) Caps lock light (3) Power light (4) Wireless light Description ● On: The TouchPad is disabled. ● Off: The TouchPad is enabled. On: Caps lock is on. ● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 18
Button and speakers Component (1) Speakers (2) (2) Power button Description Produce sound. ● 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 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 19
Keys Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Navigation keys (6) Action keys Description Displays system information when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 20
Display Component (1) Internal microphone (2) Integrated webcam (select models only) (3) Integrated webcam light (select models only) Description Records sound. Records audio and video and captures still photographs. On: The integrated webcam is in use. 12 Chapter 2 External component - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 21
Right-side components Component (1) Optical drive (2) Optical drive light (3) USB port (4) RJ-11 (modem) jack (select models only) (5) AC adapter/power/battery light (6) Power connector (7) Security cable slot Description Reads and writes to optical discs. Blinking: The optical drive - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 22
microphone, or monaural microphone. Produces sound when connected to optional powered stereo speakers, headphones, earbuds, a headset, or television audio. Supports the following optional digital card formats: ● Memory Stick (MS) ● Memory Stick Pro (MSP) ● MultiMediaCard (MMC) ● Secure Digital (SD - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 23
your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. Holds the hard drive. Bottom components 15 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 24
, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. 16 Chapter 2 External component identification - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 25
Additional hardware components Component (1) Power cord* (2) AC adapter (3) Battery* *Power cords vary in appearance by country or region. Description Connects an AC adapter to an AC outlet. Converts AC power to DC power. Powers the computer when the computer is not plugged into external power. - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 26
3 Illustrated parts catalog Serial number location When ordering parts or requesting information, provide the computer serial number and model number located in the battery bay of the computer. 18 Chapter 3 Illustrated parts catalog - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 27
Computer major components Item Description (1) 35.6 cm (14-in), WXGA, BrightView display assembly NOTE: See Display assembly components on page 24 for more display assembly internal component spare part information. ● For use with integrated microphone and webcam; Presario, matte black Spare - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 28
microphone and webcam; Presario, biscotti ● For use with integrated microphone and webcam; HP, biscotti ● For use with integrated microphone and webcam; HP, silver ● For use with integrated microphone and webcam; HP, white 597617-001 600163-001 606155-001 606156-001 (2) Keyboards ● For use - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 29
Item Description Spare part number ● For use in models with UMA graphics subsystem memory, Intel® GL40 chipset, and HDMI card reader 605140-001 (9) Plastics Kit (see Plastics Kit on page 26 for more Plastics Kit information) 600190-001 (9a) Hard drive compartment cover (9b) Wireless/memory - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 30
Item Description Spare part number (14) Broadcom 4312G 802.11b/g WiFi Adapter (halogen free) ● For use in Canada, Cayman Islands, Guam, Puerto Rico, the United States, and the U.S. Virgin Islands 582562-001 ● For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 31
Item Description Spare part number (16) (17) (18) (19) (20) (21) (22) (23) (24) Modem (RJ-11) cable (includes RJ-11 connector with modem cable) 610791-001 Power connector cable (includes power connector and cable) 600630-001 Base enclosure (with modem cable and ODD cable) ● For use with HDMI - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 32
Display assembly components Item (1) (2) (3) Description Spare part number Display bezel ● HP, for use with microphone and webcam ● Presario, for use with microphone and webcam 592147-001 592148-001 35.6 cm (14-in) high definition, Brightview, display - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 33
cable (shown with display panel) (4) Webcam cable (5) Antennas and cables Display back cover ● Presario, matte black ● Presario, biscotti ● HP, biscotti ● HP, silver ● HP, white Webcam module Display screw kit (not illustrated; includes screws and screw covers) Display rubber display kit (not - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 34
Plastics Kit Item Description Plastics kit (1) Hard drive bay cover (includes captive screws) (2) Wireless/memory module mini-card compartment cover (includes captive screw) Spare part number 600190-001 26 Chapter 3 Illustrated parts catalog - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 35
Mass storage devices Item Description Spare part number (1) Hard drive (include hard drive bracket) ● 500-GB 7200 RPM ● 320-GB 7200 RPM ● 250-GB 7200 RPM ● 160-GB 7200 RPM 600170-001 600169-001 575598-001 600167-001 Hard drive hardware kit (contains screws, hard drive bracket, not illustrated) - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 36
Miscellaneous parts Description AC adapters ● 90-W Smart AC adapter with power factor correction (PFC) ● 90-W AC adapter with power factor correction (PFC) ● 65-W AC Smart, slim, AC adapter ● 65-W Smart power adapter with power factor correction (PFC) for use in India Power cord, AC, 3 wire, black, - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 37
Sequential part number listing Spare part number Description 490371-001 490371-011 Power cord, AC, 3-pin, black, 1.83-m, for use in North America Power cord, AC, 3-pin, black, 1.83-m, for use in Australia 490371-031 Power cord, AC, 3-pin, black, 1.83-m, for use in the United Kingdom and - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 38
, Brightview 592146-001 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; Presario, matte black 592147-001 Display bezel, HP, for use with microphone and webcam 30 Chapter 3 Illustrated parts catalog - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 39
600163-001 Memory module, 1024-MB, PC3 10600, 1333-MHz 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP, biscotti 600164-001 Display back cover, Presario, biscotti Sequential part number listing 31 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 40
Spare part number Description 600165-001 600166-001 Display back cover, HP, biscotti Webcam module 600167-001 Hard disk drive, 160-GB 7200 RPM 600169-001 600170-001 600171-001 600172-001 Hard disk drive, 320-GB - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 41
memory, Intel® GL40 chipset, and HDMI card reader 606155-001 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP, silver 606156-001 606157-001 606158-001 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 42
● Flat-bladed screwdriver ● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers Service considerations The following sections include some of the considerations that you must keep only at the points designated in the maintenance instructions. 34 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 43
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. Cables must - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 44
Grounding guidelines Electrostatic discharge damage Electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 45
material. ● Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures must directly contact dissipative surfaces, use fixtures made only of static - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 46
with ground cords of one megohm resistance ● Static-dissipative tables or floor mats with hard ties to the ground ● Field service kits ● Static awareness labels ● Material-handling packages ● Nonconductive plastic bags, tubes, or boxes ● Metal tote boxes ● Electrostatic voltage levels and - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 47
in 12 different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal provides important information that you may need when contacting technical support. (1) Product name (2) Serial number (3) Product number - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 48
Computer feet Description Rubber Feet Kit Spare part number 600184-001 The computer feet are adhesive-backed rubber pads. The feet attach to the base enclosure in the locations illustrated below. 40 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 49
Battery Description 6-cell 55-WH (2.55Ah) LI-ion 6-cell 47-WH (2.2-Ah) LI-ion Spare part number 593554-001 593553-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 50
Hard drive NOTE: All hard drive spare part kits include a hard drive bracket. Description 500-GB 7200 RPM 320-GB 7200 RPM 250-GB 7200 RPM 160-GB 7200 RPM Hard drive hardware kit (includes screws and hard drive bracket) Hard drive cable/adaptor (included in the cable kit) Spare part number 600170- - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 51
3. Lift the left side of the hard drive cover (2), swing it forward, and remove the cover (3). The hard drive cover is included in the plastics kit, spare part number 600190-001. 4. Remove the three Phillips PM2.5×4.0 screws (1) that secure the hard drive to the computer. 5. Use the hard drive - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 52
6. Disconnect the hard drive cable from the system board. 7. Remove the hard drive. 8. If it is necessary to replace the hard drive bracket, remove the four Phillips PM3.0×3.0 screws (1) that secure the hard drive bracket to the hard drive 9. Lift the bracket (2) straight up. Reverse this procedure - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 53
Optical drive Description DVD±RW SuperMulti DL Drive with LightScribe, matte black DVD±RW SuperMulti DL Drive with LightScribe, biscotti DVD±RW SuperMulti DL Drive with LightScribe, silver DVD±RW SuperMulti DL Drive with LightScribe, white Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 54
4. Remove the optical drive (3). 5. If it is necessary to replace the optical drive bracket, position the optical drive with the optical drive bracket toward you. 6. Remove the two Phillips PM2.0×3.0 screws (1) that secure the optical drive bracket to the optical drive. 7. Remove the optical drive - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 55
WLAN module Description Spare part number Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter for use in Canada, the Cayman Islands, Guam, Puerto Rico, the United States, and the US Virgin Islands 580101-001 Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter for use in Afghanistan, Albania, Algeria, - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 56
Before removing the WLAN module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 57
replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion into the WLAN module slot. Reverse this procedure - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 58
Memory module Description 2048-MB, PC3 10600, 1333-MHz 1024-MB, PC3 10600, 1333-MHz Spare part number 598856-001 598859-001 Before removing the memory module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 59
3. Lift cover off the computer. The mini-card compartment cover is included in the plastics kit, spare part number 600190-001. NOTE: Small tabs hold the cover in place. Firmly pull up on the cover to release the tabs. 4. Spread the retaining tabs (1) on each side of the memory module slot to release - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 60
Keyboard Description Keyboard for use in Brazil Keyboard for use in English and French Canada Keyboard for use in for use in Latin America Keyboard for use in South Korea Keyboard for use in Taiwan Keyboard for use in Thailand Keyboard for use in the United States Spare part number 600175-201 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 61
3. Turn the computer display-side up with the front toward you. 4. Open the computer as far as possible. 5. Release the top edge of the keyboard by lifting it up to disengage the keyboard from the tabs on the top cover (1). 6. Slide the top edge of the keyboard back (2) until it rests against the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 62
Top cover Description Top cover (includes Touchpad and bracket, button board, and cable), matte black Top cover, bicotti Top cover, silver Top cover, white Spare part number 600181-001 600182-001 606161-001 606162-001 Before removing the switch cover, follow these steps: 1. Shut down the computer. - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 63
3. Remove the five Phillips PM2.5×6.5 screws (2), the two Phillips PM2.5x4.0 screws (3), and the four Phillips PM2.5x3.0 screws (4) that secure the top cover to the base enclosure. 4. Turn the computer display-side up with the front toward you. 5. Open the computer as far as possible. 6. Release the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 64
9. Release the ZIF connector to which the power button board cable (4) is connector and disconnect the cable from the system board. 10. Remove the Phillips PM2.5×6.5 screw (1) from the top cover, disengage the rear edge of the top cover (2) from the base enclosure, and then remove the cover from the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 65
Speaker assembly Description Speaker assembly Spare part number 600189-001 Before removing the speaker assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 66
Power button board Description Power button board (with cable) Spare part number 600188-001 Before removing the power button board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 67
TouchPad button board Description TouchPad button board Spare part number 604603-001 Before removing the TouchPad button board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 68
Reverse the above procedure to reassemble and install the TouchPad button board. 60 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 69
Modem module Description High-speed 56K modem for use in all countries and regions except Australia and New Zealand High-speed 56K modem for use in Australia and New Zealand Modem module cable with RJ-11 connector (included in the cable kit) Spare part number 510100-001 510100-011 610791-001 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 70
4. Lift up on the front of the modem module (3) to disconnect it from the system board. 5. Remove the modem module. Reverse the above procedure to install the modem module, and be sure that the connector on the bottom of the modem module connects firmly into the system board. 62 Chapter 4 Removal - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 71
Bluetooth module Description Bluetooth module Bluetooth module cable Spare part number 537921-001 602822-001 Before removing the Bluetooth module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 72
Reverse the above procedure to install the Bluetooth module. 64 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 73
USB board Description USB board (includes cable) Spare part number 600631-001 Before removing the USB board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 74
Reverse this procedure to install the USB board. 66 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 75
Power connector cable Description Power connector cable (includes cable and connector) Spare part number 600188-001 Before removing the power connector cable, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 76
Reverse this procedure to install the power connector cable. 68 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 77
35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP, silver 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP, white Spare part number 592146-001 597617-001 600163-001 606155-001 606156-001 Before - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 78
the display assembly when removing the display screws in the following steps. Failure to support the display assembly can result in damage to the assembly and other components. 7. Remove the four black Phillips PM2.5×6.5 screws (1) that secure the display assembly - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 79
the bezel disengages from the display back cover. 11. Remove the display bezel (4). The display bezel is available using spare part number 592147-001 for HP computers, and 592148-001 for Presario computers. Component replacement procedures 71 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 80
12. If it is necessary to replace the webcam module, disconnect the webcam cable (1) from the module. Lift the webcam from the double-sided tape on the display back cover, and remove the webcam. 13. If it is necessary to replace the display panel, remove the eight Phillips PM2.5×5.0 screws (1) that - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 81
The display cable is available in the display cable kit, spare part number 592151-001. 15. If it is necessary to replace the display bracket and hinges, remove the Phillips PM2.0×3.0 screws (1) that secure each bracket to the display. 16. Remove the display hinges (2) from the display. The display - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 82
20. Remove the wireless antennas and cables (4) from the display enclosure. The wireless antennas and cables are included in the display cable kit, spare part number 592151-001. 21. If it is necessary to remove the webcam cable, remove the cable from the adhesive strips (1) along the cable path on - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 83
22. If it is necessary to remove the microphone, release the microphone cable from the adhesive strips (1) along the cable path on the display back cover, remove the microphone from the clips on the display back cover (2), and then remove the microphone and microphone cable (3). The microphone and - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 84
System board Description Spare part number System board for use in models with discrete graphics subsystem 595181-001 System board for use in models with Unified Memory Architecture (UMA) graphics subsystem 595182-001 System board for use in models with discrete graphics subsystem and HDMI - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 85
g. Display assembly (see Display assembly on page 69) h. Top cover (see Top cover on page 54) Remove the following cables from the system board if still connected: ● Power connector cable (see Power connector cable on page 67) ● Bluetooth cable (see Bluetooth module on page 63) ● USB board cable ( - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 86
5. Release the system board by sliding it to the right at an angle (3) until the connectors on the left side of the system board clear the base enclosure, and then remove the system board. 6. If it is necessary to replace the modem module cable, remove the RJ-11 connector (1) from the clip built - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 87
Optical drive SATA cable and connector Description Optical drive cable (included in the cable kit) Spare part number 610791-001 Before removing the optical drive cable, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 88
2. Release the cable from the clips on the base enclosure (2), and then remove the cable (3). 80 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 89
RTC battery Description RTC battery Spare part number 602745-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 90
3. Remove the RTC battery (2). Reverse this procedure to install the RTC battery. 82 Chapter 4 Removal and replacement procedures - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 91
Fan/heat sink assembly Description Fan/heat sink assembly for use in models that use Universal Memory Architecture (UMA) graphics subsystem memory (includes thermal replacement material) Fan/heat sink assembly for use in models that use and UMA graphics subsystem memory and the Intel® GL40 chipset - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 92
3. Follow the sequence embossed on heat sink to loosen the four Phillips PM2.5×7.0 captive screws (2) that secure the fan/heat sink assembly to the system board. NOTE: Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board components, it may - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 93
The thermal material must be thoroughly cleaned from the surface of the fan/heat sink assembly (1) and (3), and the processor component (2), each time the fan/heat sink assembly is removed. Thermal pads and thermal paste must be installed on all surfaces before the fan/heat sink assembly is - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 94
Processor NOTE: All processor spare part kits include thermal material. Description Intel Arrandale Core 620M 2.26-GHz Intel Arrandale 540M 2.53-GHz Intel Arrandale 520M 2.4-GHz Intel Arrandale i5-430M 2.26-GHz Intel Arrandale i3-350M 2.26-GHz Intel Arrandale i3-330M 2.13-GHz Intel Core 2 Duo Mobile - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 95
Remove the processor: 1. Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click. 2. Lift the processor (2) straight up and remove it. NOTE: The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed on the processor socket when you - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 96
5 Setup Utility Computer Setup in Windows 7 To view the drives installed on the computer, select Start > Computer. On models with a secondary hard drive (drive D), the optical drive becomes drive E. The next drive added to the system, such as a new USB drive, will be assigned the next available - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 97
then press enter. Your change goes into effect immediately. Navigating and selecting in Setup Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and selection are by keystroke. ● To choose a menu or a menu item, use the arrow keys. ● To choose an item in - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 98
Displaying system information The following procedure explains how to display system information in Setup Utility. If Setup Utility is not open, begin at step 1. If Setup Utility is open, begin at step 2. 1. Open Setup Utility by turning on or restarting the computer. While the "Press the ESC key - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 99
in this section provide an overview of Setup Utility options. NOTE: Some of the Setup Utility menu items listed in this chapter may not be supported by your computer. Main menu Select System information To do this ● View and change the system time and date. ● View identification information about - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 100
System Configuration menu Select Language Support Button Sound (select models only) Virtualization Technology ( ―Enable/disable boot from the internal network adapter. ● Boot Order―Set the boot order for: ◦ Notebook Hard Drive ◦ Internal CD/DVD ROM Drive ◦ USB Diskette on Key/USB Hard Disk ◦ USB - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 101
Select To do this Secondary Hard Disk Self Test (select models only) Run a comprehensive self-test on a secondary hard drive. Memory Test Run a diagnostic test on the system memory. Computer Setup in Windows 7 93 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 102
Setup menu items listed in this guide may not be supported by your computer. NOTE: Pointing devices are not supported in Computer Setup. You must use arrow keys to select File > Ignore Changes And Exit. Then follow the instructions on the screen. ● To save your preferences and exit Computer Setup, - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 103
f10. 4. To save your preferences and exit Computer Setup, use the arrow keys to select File > Save Changes And Exit. Then follow the instructions on the screen. Your preferences go into effect when the computer restarts. NOTE: Your password settings and security settings are not changed when you - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 104
this section provide an overview of Computer Setup options. NOTE: Some of the Computer Setup menu items listed in this chapter may not be supported by your computer. File menu Select System information Restore Defaults Ignore Changes And Exit Save Changes And Exit To do this ● View identification - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 105
Security menu NOTE: Some of the menu items listed in this section may not be supported by your computer. Select Setup Password Power-On Password Password Options DriveLock Passwords System IDs Disk Sanitizer To do this Enter, change, or delete a setup - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 106
USB floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device key. ● Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of CPU. ● Enable/disable HDD translation mode. 98 Chapter - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 107
Select Built-in device options Port options To do this ● Enable/disable embedded WLAN Device Radio. ● Enable/disable embedded Bluetooth Device Radio. ● Enable/disable Network Interface Controller (NIC) ● Enable/disable LAN/WLAN Switching. ● Enable/disable Wake on LAN. ● Enable/disable the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 108
ft to 40,000 ft) NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 100 Chapter 6 Specifications - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 109
35.6-cm (14.0-in) display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle 17.6 cm (17.6 cm) 31.1 cm (12.24 in) 35.7 cm (14.06 in) Up to 16.8 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 110
g 101 g 101 g Interface type SATA SATA SATA SATA Transfer rate 100 MB/sec 100 MB/sec 100 MB/sec 100 MB/sec Security ATA security ATA security ATA security ATA security Seek times restrictions and exclusions apply. Contact technical support for details. 102 Chapter 6 Specifications - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 111
DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications Applicable disc Read Write Random access time DVD CD Cache buffer Data transfer rate 24X CD-ROM 8X DVD-ROM 24X CD-R 16X CD-RW 8X DVD+R 4X DVD+RW 8X DVD-R 4X DVD-RW 2.4X DVD+R(9) 5X DVD-RAM Transfer mode CD-DA, CD+(E)G, CD-MIDI, - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 112
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications Applicable disc Read Write Random access time BD DVD CD Cache buffer Data transfer rate 24X CD-ROM 8X DVD-ROM 4X BD 24X CD-R 16X CD-RW 8X DVD+R 4X DVD+RW 8X DVD-R 4X DVD-RW 2.4X DVD+R(9) 5X DVD-RAM 1X BD-ROM 1X BD-R read 1X BD - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 113
(I/O) ports, interrupt request (IRQ) lines, and memory addresses. If two devices require the same resource and create a device conflict, you can manually change the resource settings in Device Manager to be sure each setting is unique. CAUTION: Improperly changing resource settings can disable your - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 114
for the presence of a recovery partition, select Start, right-click Computer, click Manage, and then click Disk Management. If the partition is present, an HP Recovery drive is listed in the window. Windows 7 To protect your information, back up your files and folders. In case of system failure, you - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 115
solutions: ● Roxio BackOnTrack ● HP Recovery Manager NOTE: For detailed information, perform a search for these topics in Help and Support. Creating recovery discs HP recommends that you create recovery > Recovery Manager > Recovery Disk Creation. 2. Follow the on-screen instructions. Windows 7 107 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 116
Backing up your information As you add new software and data files, you should back up your system on a regular basis to maintain a reasonably current backup. Back up your system at the following times: ● At regularly scheduled times NOTE: Set reminders to back up your information periodically. ● - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 117
. 1. Select Start > All Programs > Maintenance > Backup and Restore. 2. Follow the on-screen instructions to set up and create a backup. NOTE: Windows® includes the User Account Control feature to improve or changing Windows settings. Refer to Help and Support for more information. Windows 7 109 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 118
3. Click the System Protection tab. 4. Click System Restore. 5. Follow the on-screen instructions. Performing a recovery NOTE: You can recover only files that you have previously backed up. HP recommends that you use HP Recovery Manager to create a set of recovery discs (entire drive backup) as soon - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 119
1. Back up all personal files. 2. Insert the first recovery disc into the optical drive and restart the computer. 3. Follow the on-screen instructions. Recovering from the dedicated recovery partition (select models only) NOTE: Computers with an SSD may not have a recovery partition. If the computer - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 120
the factory. Software, drivers, and updates not installed by HP must be manually reinstalled. Personal files must be restored from a backup. To > for recovery" message is displayed on the screen. 3. Follow the on-screen instructions. NOTE: If you are unable to boot (start up) your computer from the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 121
8 Connector pin assignments Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) 113 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 122
External monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock 114 Chapter 8 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 123
RJ-11 (modem) Pin 1 2 3 4 5 6 RJ-45 (network) Signal Unused Tip Ring Unused Unused Unused Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused RJ-11 (modem) 115 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 124
HDMI Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Signal TMDS data 2+ TMDS data 2 shield TMDS data 2- TMDS data 1+ TMDS data 1shield TMDS data 1- TMDS data 0+ TMDS data 0 shield TMDS data 0- TMDS clock+ TMDS clock shield TMDS clock- CEC No connect DDC clock DDC data Ground +5V power Hot - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 125
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Universal Serial Bus 117 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 126
9 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 127
Requirements for specific countries or regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 Italy IMQ 1 Japan METI 3 The Netherlands - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 128
remove these components, handle them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display assembly that site at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 129
Perform the following steps to disassemble the display assembly: 1. Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 130
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). 5. Remove all screws (1) that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly (2) from the display enclosure. 7. Turn the display panel assembly upside- - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 131
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. Display 123 - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 132
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside-down. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 17. Remove the - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 133
18. Remove the backlight from the backlight frame. 19. Disconnect the display panel cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD panel (3) from the display rear panel. 22. Release the tape (4) that secures the LCD - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 134
TouchPad right/left 8 C cable kit, spare part number 23 cables, service considerations 35 camera module removal 72 spare part number 72 camera, product description menu 97 System Configuration menu 98 using 94 computer specifications 100 connector pin assignments audio-in 113 audio-out 113 external - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 135
20, 52 keys esc 11 fn 11 function 11 navigation 11 Windows applications 11 Windows logo 11 L LAN Power Saving 92 language support 92 latch, battery release 15 legacy support, USB 94, 98 light power 9 lights caps lock 9 Digital Media Slot 14 optical drive 13 webcam 12 wireless 9 M Main menu 91 mass - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 136
microphone 4 modem module 4 operating system 6 optical drives 3 pointing devices 5 ports 5 power requirements 6 processors 1 product name 1 security 6 serviceability 6 wireless 4 product name 1 R recovering a program or driver 106 recovering from the dedicated recovery partition 111 recovering from - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 137
serviceability, ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive 104 computer 100 display 101 DVD ±RW SuperMulti DoubleLayer Drive with LightScribe 103 starting Setup Utility 88 static-shielding materials 38 stringent security 97 supported discs 107 system board removal 76 spare part numbers 20, - HP G42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenan - Page 138
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.