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- HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 1
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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 2
States and other countries. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 4
iv Safety warning notice - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 5
components ...13 Left-side components ...14 Bottom components ...15 Wireless antennas ...16 Additional hardware components 17 3 Illustrated parts catalog 4 Removal and replacement procedures 34 Preliminary replacement requirements 34 Tools required ...34 Service considerations 34 Plastic - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 6
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 Computer Setup in Windows 7 88 Starting Setup Utility 88 Using Setup Utility 89 Changing the language of Setup Utility 89 Navigating and - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 7
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications 104 System resource specifications 105 7 Backup and recovery ...106 Windows 7 ...106 Creating recovery discs 107 Backing up your information 108 Using Windows Backup and Restore 109 Using system restore points 110 When - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 8
Requirements for specific countries or regions 119 10 Recycling ...120 Battery ...120 Display ...120 Index ...126 viii - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 √ √ √ √ - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 10
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 description - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 14
(32 & 64 bit) Windows 7 Home Basic (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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 15
. The illustrations in this chapter identify the standard features on most computer models. To see a list of hardware installed in the computer, follow these steps: 1. Select Start > My Computer. 2. In the left pane of the System Tasks window, select View system information. 3. Select Hardware tab - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 16
the light is off. Moves the pointer and selects or activates items on the screen. Functions like the left button on an external mouse. Functions like the right button about TouchPad features, refer to" Using the TouchPad" section later in this guide. 8 Chapter 2 External component identification - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 18
to exit Sleep. ● When the computer is in Hibernation, briefly press the button to exit Hibernation. If the computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 19
information when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the pointer. Navigate using the Up, Down, Left and Right arrow keys. Execute frequently - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 21
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 is being - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 22
HDMI port (select models only) (4) RJ-45 (network) jack (5) USB ports (2) (6) Audio-in (microphone) jack (7) Audio-out (headphone) jack (8) Digital Media Slot (select models only) (9) Drive light Description Connects an external VGA or television audio. Supports the following optional - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 23
Description Holds the battery. Releases the battery from the battery bay. Enable 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 25
components Component (1) Power cord* (2) AC adapter (3) Battery* *Power cords vary in appearance by country or or region in which 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 27
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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 29
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 mini-card compartment cover (10) RTC battery 2x2 WiFi India - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 30
-Bissa, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, The Ivory Coast, Jamaica, Jordan, Kazakhstan, Kenya Zambia and Zimbabwe Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter 593533-001 Processor (includes replacement thermal material) ● Intel Arrandale Core 620M - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 31
HDMI card reader and with modem module, matte black 600177-001 600178-001 608912-001 608913-001 600179-001 600180-001 Bluetooth module 537921-001 Bluetooth module cable (illustrated with Bluetooth module) 602822-001 Battery 610791-001 Optical drives (12.7 mm, SATA, fixed) ● Blu-ray Disc ROM - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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) - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 33
Item (6) (7) Description Display 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) - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 35
hard drive bracket, not illustrated) 600191-001 Hard 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 600173-001 ● Blu-ray Disc ROM LightScribe with SuperMulti - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 36
● 65-W Smart power adapter with power factor correction (PFC) for use in India Power cord, AC, 3 wire, black, 1.83-m ● For use in Argentina ● For use in Australia ● For use in Brazil ● For use in India ● For use in Italy ● For use in North America ● For use in South - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 37
cord, AC, 3-pin, black,1.83-m, for use in India 510100-001 510100-011 537921-001 Modem module, high- for use in Australia and New Zealand Bluetooth module without cable 572925-001 Processor, Intel -GB 7200 RPM Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter for use in Canada, the Cayman Islands, - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 38
and Zimbabwe 582562-001 Broadcom 4312G 802.11b/g WiFi adapter for use in Canada, Cayman Islands, Guam , Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, The Ivory Coast, Jamaica webcam; Presario, matte black 592147-001 Display bezel, HP, for use with microphone and webcam 30 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 39
595183-001 595184-001 System board (includes replacement thermal material) for use in models with discrete graphics subsystem and HDMI card reader System board (includes replacement thermal material) for use in models with UMA graphics subsystem and HDMI card reader 595198-001 595202-001 595832 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 40
, HP, biscotti Webcam module Keyboard for use in Thailand Keyboard for use in Taiwan Keyboard for use in South Korea 600177-001 600178-001 600179-001 Base enclosure (with modem cable and ODD cable) for use with HDMI hard drive compartment cover and memory/wireless compartment cover) 600191-001 Hard - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 41
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, and HDMI webcam; HP, white Display back cover, HP, silver Display back cover, HP - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 43
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in 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: Drives are fragile - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 44
: Keep components in their electrostatic-safe containers until you are ready to install them. Use nonmagnetic tools. Before touching an electronic component, discharge static V 11,000 V 55% 7,500 V 3,000 V 400 V 400 V 2,000 V 3,500 V 7,000 V 5,000 V 36 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 45
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 signals before inserting or removing connectors or test equipment. Preliminary replacement requirements 37 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 46
straps) can be used at standing workstations and are compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use mats with hard ties to the ground ● Field service kits ● Static awareness labels ● Material-handling packages Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 47
, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Serial number The serial number label, located in the battery bay of the computer, provides important information that you may need when contacting technical support - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 49
the battery (2) upward and lift it out of the computer (3). To insert the battery, insert the rear edge of the battery into the battery bay and pivot the front edge downward until the battery is seated. The battery release latch automatically locks the battery into place. Component replacement - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 50
the computer by first unplugging the power cord from the AC outlet 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 with the front toward you. 2. Remove the two Phillips PM2.5×5.0 screws (1) that - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 51
(1) that secure the hard drive to the computer. 5. Use the hard drive bracket to lift the hard drive out (2) of the hard drive compartment. Component replacement procedures 43 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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. - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 53
cord from the AC outlet 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 down with the front toward bracket to the left to release the optical drive. Component replacement procedures 45 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Remove the optical drive bracket (2). Reverse the above procedure to reassemble and install the optical drive. 46 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 55
580101-002 Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 593530-001 Broadcom 4312G 802.11b/g WiFi Adapter for use in Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, The Ivory Coast, Jamaica, Jordan 1x1 WiFi Adapter 593533-001 Component replacement procedures 47 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 56
power cord 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 hard drive cover (see Hard drive on page 42). Remove the WLAN the slot rises away from the computer.) 48 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 58
the computer by first unplugging the power cord from the AC outlet and then unplugging 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 the front toward you. 2. Loosen the two Phillips PM2.5×5.0 captive - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 59
the slot at an angle. NOTE: Memory modules are designed with a notch (3) to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. Component replacement procedures 51 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 60
the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the hard drive keyboard: 1. Turn the computer upside down with the front toward you. 2. Remove the six Phillips PM2.5×6.5 screws that secure the keyboard to the computer. 52 Chapter 4 Removal and replacement - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 61
until it rests against the display. 7. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached and disconnect the keyboard cable (2) from the system board. 8. Remove the keyboard. Reverse this procedure to install the keyboard. Component replacement procedures 53 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 62
AC outlet and then unplugging 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). c. Keyboard (see Keyboard on page 52). Remove the switch cover: 1. Turn the computer upside down with the front - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 63
which the touchpad button board cable (2) is connected and disconnect the cable from the system board. 8. Disconnect the speaker cable (3) from the system board. Component replacement procedures 55 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 64
cover, disengage the rear edge of the top cover (2) from the base enclosure, and then remove the cover from the computer (3). Reverse this procedure to install the switch cover. 56 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 65
the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Optical drive (see Optical drive on page 45) b. Keyboard (see Keyboard on page 52) c. Top the top cover. Reverse this procedure to install the speaker assembly. Component replacement procedures 57 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 66
(see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top cover ( cover. 3. Remove the power button board (2). 58 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 67
(see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top Remove the TouchPad button board (2) from the TouchPad bracket. Component replacement procedures 59 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 68
Reverse the above procedure to reassemble and install the TouchPad button board. 60 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 69
(see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top cover Disconnect the modem module cable (2) from the modem module. Component replacement procedures 61 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 71
. 4. Remove the battery (see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top cover (see Top cover on page 54) Remove the Bluetooth module: 1. Position - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 72
Reverse the above procedure to install the Bluetooth module. 64 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 73
(see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top cover ( USB board (3) straight up to remove it from the computer. Component replacement procedures 65 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 74
Reverse this procedure to install the USB board. 66 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 75
(see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top the base enclosure. 4. Remove the cable from the base enclosure. Component replacement procedures 67 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 76
Reverse this procedure to install the power connector cable. 68 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 77
unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Disconnect the wireless antenna cables from the WLAN module (see WLAN module on page 47). 6. Remove the following components: a. Keyboard (see Keyboard on page 52) b. Optical drive (see Optical drive on - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 78
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 to the computer. 8. Remove the display assembly (2). 70 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 79
9. If it is necessary to replace any of the display assembly internal components, remove the following screw covers and 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 81
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 the - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 82
to remove the webcam cable, remove the cable from the adhesive strips (1) along the cable path on the display back cover, and then remove the webcam cable (2). The webcam cable is included in the display cable kit, spare part number 592151-001, 74 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 83
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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 84
models with UMA graphics subsystem memory, Intel® GL40 chipset, and HDMI card reader 605140-001 When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● RTC battery (see RTC battery on page - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 85
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 board. 4. Lift the right side of the system board (2). Component replacement procedures 77 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 86
. 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 the replacement system board: ● Fan/heat sink assembly (see Fan/heat sink assembly on page - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 87
Optical drive SATA cable and Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. WLAN (see WLAN module on page 47) c. Optical drive (see Optical drive on page 45) d. Keyboard (see Keyboard the system board. Component replacement procedures 79 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 89
(see Speaker assembly on page 57) g. Display assembly (see Display assembly on page 69) h. System board (see System board on page 76) Remove the RTC battery: 1. Turn the system board upside down. 2. Release the RTC battery from the clips on the system board (1). Component replacement procedures 81 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 90
3. Remove the RTC battery (2). Reverse this procedure to install the RTC battery. 82 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 91
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 (includes thermal material) Fan/heat - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 92
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 reinstalled. NOTE: Thermal pads and for thermal material on systems with discrete graphics subsystems. 84 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 93
paste must be installed on all surfaces before the fan/heat sink assembly is reinstalled. The following illustration shows the locations for thermal material on systems with UMA graphics subsystems. Reverse this procedure to install the fan/heat sink assembly. Component replacement procedures 85 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 94
(see Battery on page 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 42) b. Optical drive (see Optical drive on page 45) c. Keyboard (see Keyboard on page 52) d. Top cover (see Top (see Fan/heat sink assembly on page 83) 86 Chapter 4 Removal and replacement procedures - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 95
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 install the processor. Reverse this procedure to install the processor. Component replacement procedures 87 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 96
5 Setup Utility Computer Setup in Windows 7 To view the drives installed on the computer, select Start > Computer. On "Press the ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, press f10. - or - 1. Open Setup Utility by turning on or restarting the computer. - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 97
Menu" message is displayed in the lower-left corner of the screen, press f10. - or - Open Setup Utility by turning on 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 98
ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, press esc. When the Startup Menu is displayed, press f10. 2. Use the arrow 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 99
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 the computer. ● View specification information about the processor, memory size, system BIOS, and keyboard controller version - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 102
guide may not be supported by your computer. NOTE: Pointing devices are not supported in Computer Setup. You must use the keyboard to navigate and make selections. NOTE: An external keyboard to select File > Ignore Changes And Exit. Then follow the instructions on the screen. ● To save your - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 104
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 ROM. Replace the - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 105
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 password. Enter, change, or delete a power-on password. ● Enable/disable stringent - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 106
device: Notebook hard support allows the following: ◦ Use of a USB keyboard in Computer Setup even when a your operating system is not running. ◦ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer. ● Enable/disable BIOS - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 107
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 ExpressCard - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 113
specifications You can use Device Manager to get a graphical manually change the resource settings in Device Manager to be sure each setting is unique. CAUTION: Improperly changing following: ● Resources by type ● Resources by connection To view resource settings in Windows XP: 1. Select Start > My - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 114
to access the Disaster Recovery utility. Therefore, HP recommends that you download the Disaster Recovery utility SoftPaq, and then extract it to a USB flash drive as soon as possible after software setup. For details, refer to "Downloading and extracting the Disaster Recovery utility" later in this - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 115
creating the recovery discs. The next time you open Recovery Manager, you will be prompted to continue the disc creation process. To create a set of recovery discs: 1. Select Start > All Programs > Recovery Manager > Recovery Disk Creation. 2. Follow the on-screen instructions. Windows 7 107 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 116
backing up: ● Create system restore points using the Windows® System Restore feature, and periodically copy them to disc. ● Store personal the type of optical drive installed in your computer. NOTE: DVDs store more information than CDs, so using them for backup reduces the number of recovery discs - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 117
the on-screen instructions to set up and create a backup. NOTE: Windows® includes the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 118
a specific point in time. You can then recover back to that point if you want to reverse subsequent changes made 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 119
esc while the "Press the ESC key for Startup Menu" message is displayed at the bottom of the screen. Then, press f11 while the "Press for recovery" message is displayed on the screen. 2. Click System Recovery in the Recovery Manager window. 3. Follow the on-screen instructions. Windows 7 111 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 120
recovery tool reinstalls the original operating system and HP programs and drivers that were installed at the factory. Software, drivers, and updates not installed by HP must be manually "Press for recovery" message is displayed on the screen. 3. Follow the on-screen instructions. NOTE: If you - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 125
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Universal Serial Bus 117 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 127
Requirements for specific countries or regions Country/region Accredited agency Applicable note number Australia EANSW region where it will be used. 5. The flexible cord must be Type VCTF, 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 128
Web site at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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 Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 134
service considerations 35 camera module removal 72 spare part number 72 camera, product description 4 caps lock light, identifying 9 Card Reader Power Saving 92 changing using 94 computer specifications 100 connector pin assignments audio-in 113 audio-out 113 external monitor 114 HDMI 116 headphone - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 135
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 storage devices - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 136
serviceability 6 wireless 4 product name 1 R recovering a program or driver 106 recovering from the dedicated recovery partition 111 recovering from the recovery discs 111 recovery discs 106, 107 Recovery Manager 106, 111 recovery partition 106 recovery, system 111 removal/replacement preliminaries - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - Page 137
14, 15 Virtualization Technology 92 W webcam identifying 12 webcam light, identifying 12 Webcam module spare part number 25 Windows applications key, identifying 11 Windows logo key, identifying 11 wireless antenna removal 73 wireless antennas 16 wireless antennas and cables removal 74 spare part - HP Presario CQ42-100 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - - 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.