Compaq Presario CQ42-100 Compaq Presario CQ42 Notebook PC and HP G42 Notebook
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- Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 1
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; - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 2
2010 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. First Edition: March 2010 Document Part - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 4
iv Safety warning notice - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 5
components ...15 Wireless antennas ...16 Additional hardware components 17 3 Illustrated parts catalog 18 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 6
Power button board 58 TouchPad button board 59 Modem module ...61 Bluetooth module ...63 USB board ...65 Power connector cable 67 Display assembly ...69 System board ...76 Optical drive SATA cable and connector 79 RTC battery ...81 Fan/heat sink assembly 83 Processor ...86 5 Setup Utility ...88 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 7
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 specifications from the dedicated recovery partition (select models only 111 Linux backup and recovery ... - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 8
Requirements for specific countries or regions 119 10 Recycling ...120 Battery ...120 Display ...120 Index ...126 viii - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 9
Category Description HP G42 UMA Product Name Compaq Presario CQ40 Notebook PC HP G42 Notebook PC √ Processors Intel Intel® HM55 Express √ Intel® GL40 Compaq Presario CQ42 Discrete √ Compaq Presario CQ42 Compaq Presario CQ42 UMA UMA Models 150 Models 100 - 199 - 149 √ √ √ - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 10
-MB of 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 Discrete UMA UMA Models 150 Models 100 - 199 - 149 √ √ √ √ √ √ √ 2 Chapter 1 Product - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 11
√ ● 250 GB, 7200 rpm √ ● 160 GB, 7200 rpm √ Optical drives Fixed (removal of one screw required) √ SATA √ 12.7-mm (0.50-in) tray load √ Supports the following drives: Compaq Presario CQ42 Compaq Presario CQ42 Compaq Presario CQ42 Discrete UMA UMA Models 150 Models 100 - 199 - 149 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 12
AR9285 802.11b/g/n 1x1 √ WiFi Adapter Atheros AR9285 802.11b/g/n 1x1 √ WiFi Adapter plus Broadcom 2070 Bluetooth 2.1+EDR Adapter Broadcom 4312G 802.11b/g WiFi Adapter Compaq Presario CQ42 Compaq Presario CQ42 Compaq Presario CQ42 Discrete UMA UMA Models 150 Models 100 - 199 - 149 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 13
(stereo headphone) √ Smart-pin AC adapter plug √ Keyboard/ 14.0-inch keyboard √ pointing devices TouchPad with 2 buttons and 2-way √ scroll (taps enabled as default) Compaq Presario CQ42 Compaq Presario CQ42 Compaq Presario CQ42 Discrete UMA UMA Models 150 Models 100 - 199 - 149 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 14
(32 & 64 bit) Free DOS Serviceability End-user replaceable parts: AC adapter √ Battery (system) √ Hard drive √ Memory module √ Optical drive √ Mini-card device √ Compaq Presario CQ42 Compaq Presario CQ42 Compaq Presario CQ42 Discrete UMA UMA Models 150 Models 100 - 199 - 149 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 15
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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 17
: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. ● 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. Top components 9 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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. - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 22
(7) Audio-out (headphone) jack (8) Digital Media Slot (select models only) (9) Drive light Description Connects an external VGA monitor or Supports the following optional digital card formats: ● Memory Stick (MS) ● Memory Stick Pro (MSP) ● MultiMediaCard (MMC) ● Secure Digital (SD) Memory Card - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 23
fan to cycle on and off during routine operation. Contains 2 memory module slots and, on select models, the wireless LAN (WLAN) device. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 24
from the outside of the computer. NOTE: For optimal transmission, keep the areas immediately around the antennas free from obstructions. To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 25
Component (1) Power cord* (2) AC adapter (3) Battery* *Power cords vary in appearance by country or you purchased the computer, you must obtain a country- or region-specific modem cable adapter (included with select models or purchased separately). The modem must be connected to an analog - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 27
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 part number 592146-001 Computer major components 19 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 28
Item Description Spare part number ● For use with integrated 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 29
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 module - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 30
Item Description Spare part number (14) Broadcom 4312G 802.11b/g WiFi Adapter (halogen free) ● For use , Guatemala, Guinea, Guinea-Bissa, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, The Ivory Coast, Jamaica, Jordan, Kazakhstan, Kenya, Kiribati, Kyrgyzstan, Laos - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 31
Item Description Spare part number (16 600179-001 600180-001 Bluetooth module 537921-001 Bluetooth module cable (illustrated with Bluetooth module) 602822-001 Battery ● 6-cell 47 the cable kit) 610791-001 Optical drives (12.7 mm, SATA, fixed) ● Blu-ray Disc ROM LightScribe with SuperMulti - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 panel (includes display panel cable) - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 33
, 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 illustrated) Spare part number 592149-001 600164-001 600165-001 606157-001 606158-001 600166-001 592152 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 35
Mass storage devices Item Description Spare part number (1) Hard drive (include hard drive bracket) ● 500-GB drive cable/adapter (included in the cable kit) 610791-001 (2) Optical drives (12.7 mm, SATA, fixed) ● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, matte black - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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, - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 37
listing Spare part number Description Argentina Power cord, AC, 3-pin, black,1.83-m, for use in India 510100-001 510100-011 537921-001 Modem module, high-speed 56K modem speed 56K modem for use in Australia and New Zealand Bluetooth module without cable 572925-001 Processor, Intel Core 2 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 38
Spare part number Description 580101- Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, The Ivory Coast, Jamaica, Jordan, Kazakhstan microphone and webcam; Presario, matte black 592147-001 Display bezel, HP, for use with microphone and webcam 30 Chapter - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 39
-001 Memory module, 2048-MB, PC3 10600, 1333-MHz 598859-001 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 40
Spare part number Description 600165-001 600166-001 Display back cover, HP, biscotti Webcam module 600167-001 Hard Speaker assembly (includes cable) Plastics kit (with hard drive compartment cover and memory/wireless compartment cover) 600191-001 Hard drive hardware kit (screws and hard drive - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 41
Spare part number Description 600631-001 602745-001 USB board with cable RTC battery 602822-001 Bluetooth cable 604603-001 605140-001 Touchpad board (includes cable) System board (includes replacement thermal material) for use in models with UMA graphics subsystem memory, Intel® GL40 chipset, - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 42
the work area to prevent damage. Plastic parts Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. 34 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 43
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in Be sure that cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily. Drive handling CAUTION - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 45
and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When as ordinary plastic assembly aids and Styrofoam. ● Handle ESD-sensitive components, parts, and assemblies by the case or PCM laminate. Handle these items only - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 47
, replaced, or loosened when servicing the computer. Make special note battery bay of the computer, provides important information that you may need when contacting technical support. (1) Product name (2) Serial number (3) Product number (4) Warranty period (5) Model description (select models - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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, - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 50
bracket) Hard drive cable/adaptor (included in the cable kit) Spare part number 600170-001 600169-001 575598-001 600167-001 600191-001 610791-001 Before and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). Remove the hard drive: 1. Position the computer - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 51
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 bracket to lift - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 53
Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, white Spare part number 600171-001 600172-001 608119-001 608120-001 600173-001 and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). Remove the optical drive: 1. Position the computer upside - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 55
Description Spare part number Atheros Vietnam, Yemen, Zambia, and Zimbabwe 580101-002 Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 593530-001 Broadcom 4312G 802.11b/g Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, The Ivory Coast, Jamaica, Jordan, Kazakhstan - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 56
and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the hard drive cover (see Hard drive The mini-card compartment cover is included in the plastics kit, spare part number 600190-001. 4. Disconnect the two WLAN antenna cables (1) from - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 57
by the governmental agency that regulates wireless devices in 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. NOTE: WLAN modules are designed with - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 58
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 the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). Remove the memory module: 1. Turn the computer upside down with - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 59
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 the memory module. (The edge of the module opposite - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 60
for use in Thailand Keyboard for use in the United States Spare part number 600175-201 600175-121 600175-161 600175-AD1 600175-AB1 600175- outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the hard drive (see Hard drive on page - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 62
black Top cover, bicotti Top cover, silver Top cover, white Spare part number 600181-001 600182-001 606161-001 606162-001 Before removing the the AC adapter from the computer. 4. Remove the following components: a. Battery (see Battery on page 41). b. Optical drive (see Optical drive on page 45 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 65
Speaker assembly Description Speaker assembly Spare part number 600189-001 Before removing the speaker from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Optical drive (see Optical drive on - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 66
Description Power button board (with cable) Spare part number 600188-001 Before removing the power button from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 67
button board Description TouchPad button board Spare part number 604603-001 Before removing the TouchPad from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 68
Reverse the above procedure to reassemble and install the TouchPad button board. 60 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 69
cable with RJ-11 connector (included in the cable kit) Spare part number 510100-001 510100-011 610791-001 Before removing the modem module, and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive ( - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 71
module Description Bluetooth module Bluetooth module cable Spare part number 537921-001 602822-001 Before removing the Bluetooth module, outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive ( - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 72
Reverse the above procedure to install the Bluetooth module. 64 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 73
board Description USB board (includes cable) Spare part number 600631-001 Before removing the USB board, from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 74
Reverse this procedure to install the USB board. 66 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 75
connector cable (includes cable and connector) Spare part number 600188-001 Before removing the power connector the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 76
Reverse this procedure to install the power connector cable. 68 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 77
Presario, biscotti 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP integrated microphone and webcam; HP, white Spare part number 592146-001 597617-001 4. Remove the battery (see Battery on page 41). 5. Disconnect the wireless antenna cables from - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 79
screws. The display screw covers are included in the display screw kit, spare part number 592152-001. (1) Two Mylar screw covers on the display bezel bottom is available using spare part number 592147-001 for HP computers, and 592148-001 for Presario computers. Component replacement procedures 71 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 80
that secure the display panel to the display enclosure, and then lift the panel from the enclosure (2). The display panel is available using the spare part number 592144-001. 14. If it is necessary to replace the display cable, follow these steps: a. Turn the display panel upside down in front of - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 81
. 16. Remove the display hinges (2) from the display. The display bracket and hinge set is available using spare part number 600627-001. 17. If it is necessary to replace the wireless antennas and cables, remove the adhesive strip (1) that secures each antenna to the display back cover. 18. Detach - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 82
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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 83
on the display back cover (2), and then remove the microphone and microphone cable (3). The microphone and cable is included in the display cable kit, spare part number 592151-001, Reverse this procedure to reassemble and install the display assembly. Component replacement procedures 75 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 84
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 the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 85
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 (see USB board on page 65) 1. Turn the computer upright with the right side toward you - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 86
. 7. Remove the modem module cable (2) from the routing channel built into the base enclosure. The modem module cable is available using spare part number 610791-001. When replacing the system board, be sure that the following components are removed from the defective system board and installed on - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 87
Optical drive SATA cable and connector Description Optical drive cable (included in the cable kit) Spare part number 610791- AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 89
RTC battery Description RTC battery Spare part number 602745-001 Before removing the RTC battery, follow these steps: the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 90
3. Remove the RTC battery (2). Reverse this procedure to install the RTC battery. 82 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 91
sink assembly for use in models that use discrete graphics subsystem memory (includes thermal material) Spare part number 595832-001 606573-001 and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive ( - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 92
is reinstalled. NOTE: Thermal pads and thermal paste are included with all fan/heat sink assembly, system board, and processor spare part kits. The following illustration shows the locations for thermal material on systems with discrete graphics subsystems. 84 Chapter 4 Removal and replacement - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 94
T3100 - 1.9-GHz Intel Core 2 Duo Mobile processor T3300 2.0-GHz Spare part number 587259-001 594188-001 594187-001 597624-001 597623-001 597622- and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive ( - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 97
Utility, use the arrow keys to select Exit > Exit Saving Changes, and 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 98
Defaults, and then press enter. 3. When the Setup Confirmation is displayed, press enter. 4. To save your change and exit Setup Utility, use the arrow keys to select Exit > Exit Saving Changes, and then press enter. Setup Utility default settings go into effect when the computer restarts. NOTE: Your - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 99
information To do this ● View and change the system time and date. ● View identification information about the computer. ● View specification information about the processor, memory size, system BIOS, and keyboard controller version (select models only). Security menu Select Administrator password - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 100
Support Button Sound (select models only) Virtualization Technology (select models only) Processor C6 State (select models only) LAN Power Saving (select models only) Card Reader/1394 Power Saving (select models only) Fan Always On Action Keys Mode Boot Options To do this Change ◦ Notebook Hard - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 preferences, use the arrow keys to select File > Ignore Changes And Exit. Then follow the instructions on the screen. ● To save your preferences and exit - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 103
box opens, press 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 104
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 information for the computer. ● View specification information for the processor, cache and memory size, and system - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 105
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 password. Enter, change . Diagnostics menu Select HDD Self-Test Options Memory Check To do this Run a comprehensive self - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 106
supported by your computer. Select Language Boot options Device Configurations To do this Change Notebook BIOS DMA data transfers. ● Enable/disable fan always on while connected to an AC outlet. ● Enable/disable data execution prevention. ● Enable/disable LAN power saving mode. ● Enable/disable SATA - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 107
/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 integrated camera (webcam) ● Enable/disable USB port. ● Enable/disable - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 108
6 Specifications Computer specifications Dimensions Depth Width Height (front to rear) Weight (lowest weight configuration) Input power Operating voltage specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 100 Chapter 6 Specifications - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 × 768 RGB vertical stripe LED 80 × 25 4.0 W ±40° horizontal, +120/-40° vertical (typical) 35.6-cm (14.0-in) display specifications 101 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 110
Hard drive specifications 500-GB* 320-GB* 250-GB* 160-GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm 70 mm Weight 101 g 101 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 111
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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 112
ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications Applicable disc Read Write Random access time BD DVD DL, BD-RE, BD-RE-DL, DVD-ROM, DVD+R, DVD+R-DL, DVD+RW, DVD-R, DVD-R-DL, DVD-RW, DVD-RAM (Ver.2), CDDA, CD-ROM (mode 1 and mode 2), CD-ROM XA (mode 2, form 1 and form 2), Photo CD - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 113
you can access from Device Manager are direct memory access (DMA) channels, input/output (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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 114
HP and HP changes to your computer by restoring the computer to an earlier state. ● Recovering a program or driver (Recovery Manager software feature). This feature helps you reinstall a program or driver (select models only) is present, an HP Recovery drive is HP recommends that you download - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 115
model, you may have one of the following backup and recovery solutions: ● Roxio BackOnTrack ● HP Recovery Manager NOTE: For detailed information, perform a search for these topics in Help and Support. Creating recovery discs HP Disk Creation. 2. Follow the on-screen instructions. Windows 7 107 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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. ● - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 117
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 , running utilities, or changing Windows settings. Refer to Help and Support for more information. Windows 7 109 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 118
your hard drive at a specific point in time. You can then recover back to that point if you want to reverse subsequent changes made to your system. -screen instructions. Performing a recovery NOTE: You can recover only files that you have previously backed up. HP recommends that you use HP Recovery - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 119
the factory. Software not provided with this computer must be downloaded from the manufacturer's Web site or reinstalled from the disc 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 120
HP programs and drivers that were installed at the factory. Software, drivers, and updates not installed by HP must be manually reinstalled F11> 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 125
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Universal Serial Bus 117 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 responsible for evaluation in the country or region where it will be used. Requirements for specific countries or regions 119 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 128
battery in general household waste. Follow the local laws and regulations in your area for computer battery them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the in this chapter are general disassembly instructions. Specific details, such as screw sizes, - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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- - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 134
Drive specifications 104 Bluetooth module removal 63 spare part number 23, 63 boot options 92, 98 boot order 92, 98 button sound 92 buttons power 10 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 135
3 removal 42 spare part numbers 23, 27, 42 specifications 102 hard drive bay, 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 storage devices, spare part numbers 23 memory - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 136
2 hard drives 3 keyboard 5 memory module 3 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 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 137
11 Windows logo key, identifying 11 wireless antenna removal 73 wireless antennas 16 wireless antennas and cables removal 74 spare part number 74 wireless antennas and cables, spare part number 74 wireless light 9 wireless, product description 4 wireless/memory module compartment cover removal 48 - Compaq Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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.