Compaq Presario CQ42-300 Compaq Presario CQ42 Notebook PC and HP G42 Notebook
Compaq Presario CQ42-300 - Notebook PC Manual
View all Compaq Presario CQ42-300 manuals
Add to My Manuals
Save this manual to your list of manuals |
Compaq Presario CQ42-300 manual content summary:
- Compaq Presario CQ42-300 | 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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - 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 - Compaq Presario CQ42-300 | 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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 4
iv Safety warning notice - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 5
revision history Revision A Publication date April 2010 B October 2010 Description Edited this guide to include HP G42 Notebook PC and Compaq CQ42 Notebook PC information only. ● Added newly supported memory modules to spare parts listings in the following locations: Computer major components - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 6
vi MSG revision history - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 7
components ...14 Left-side components ...15 Bottom components ...16 Wireless antennas ...17 Additional hardware components ...18 3 Illustrated parts catalog 4 Removal and replacement procedures ...36 Preliminary replacement requirements 36 Tools required ...36 Service considerations ...36 Plastic - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 8
replacement procedures 41 Serial number ...41 Computer feet ...42 Battery ...43 Hard drive ...44 Optical drive ...47 WLAN module ...49 Memory module ...51 Keyboard ...53 Top cover ...55 Speaker assembly ...58 Power button board ...59 TouchPad button board ...60 Modem module ...61 Bluetooth - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 9
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications 100 System resource specifications ...101 7 Backup and recovery ...102 Windows 7 ...102 Creating recovery discs 103 Backing up your information 104 Using Windows Backup and Restore 105 Using system restore points 106 When - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 10
Requirements for specific countries or regions 115 10 Recycling ...116 Battery ...116 Display ...116 Index ...122 x - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 11
Category Description HP G42 Product Name Processors Compaq Presario CQ42 Notebook PC HP G42 Notebook PC Intel® N830 Tri-core 2.1Ghz 1.5M L2 35W UMA √ √ Compaq Presario CQ42 Discrete √ Compaq Presario CQ42 Compaq Presario CQ42 UMA Models UMA Models 150 - 199 100 - 149 √ √ √ √ - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 12
Description HP G42 size is dynamic change): ● Up to 251 MB on computers with 1024 MB of system memory ● Up to 358 MB on computers with more than 2048 MB of system memory UMA √ √ √ √ √ √ √ √ √ Compaq Presario CQ42 Discrete √ √ √ Compaq Presario CQ42 Compaq Presario CQ42 UMA Models UMA Models - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 13
HP G42 UMA Intel UMA (integrated)/GMA 4500M - GL40 chipset with shared video memory (memory size is be downgraded to DDR3 800 MHz) Supports the following configurations: Compaq Presario CQ42 Discrete Compaq Presario CQ42 Compaq Presario CQ42 UMA Models UMA Models 150 - 199 100 - 149 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 14
RW SuperMulti DL Drive Supports external USB drive only VGA camera Fixed (no tilt) 640 × 480 by 24 frames per second One microphone, analog HD audio UMA √ √ √ √ √ √ √ √ √ Compaq Presario CQ42 Discrete √ √ Compaq Presario CQ42 Compaq Presario CQ42 UMA Models UMA Models 150 - 199 100 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 15
VGA (Dsub 15-pin) supporting 1600 √ x 1200 resolution at 75 Hz; disabled when connected to devices through Expansion port 3 Hot plug/unplug and auto detect for √ wide-aspect or standard-aspect video Compaq Presario CQ42 Discrete √ Compaq Presario CQ42 Compaq Presario CQ42 UMA Models - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 16
(32 & 64 bit) Windows 7 Starter (32 bit) Free DOS Novell Linux Serviceability End-user replaceable parts: AC adapter Battery (system) Hard drive Memory module UMA √ √ Compaq Presario CQ42 Discrete √ Compaq Presario CQ42 Compaq Presario CQ42 UMA Models UMA Models 150 - 199 100 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 17
Category Description Optical drive Mini-card device HP G42 UMA √ √ Compaq Presario CQ42 Discrete √ √ Compaq Presario CQ42 Compaq Presario CQ42 UMA Models UMA Models 150 - 199 100 - 149 √ √ √ √ 7 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 18
in this chapter identify the standard features on most computer models. To see a list of hardware installed in the computer, follow these steps: 1. Select Start > My Computer. 2. In the left pane of the System Tasks window, select View system information. 3. Select Hardware tab > Device Manager. You - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 19
TouchPad zone is active, 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 on an external mouse. features, refer to" Using the TouchPad" section later in this guide. Top components 9 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 20
: 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. 10 Chapter 2 External component identification - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 21
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 22
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 23
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. Top components 13 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 24
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 Description Reads and writes to optical discs. Blinking: The optical drive is being accessed. - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 25
jack (8) Digital Media Slot (select models only) (9) Drive light Description Connects an external VGA monitor or projector. Enables airflow to cool stereo speakers, headphones, earbuds, a headset, or television audio. Supports the following optional digital card formats: ● Memory Stick (MS) - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 26
(5) Hard drive bay Description Holds the battery. Releases the battery from the battery bay. Enable airflow to cool internal components on select models, the wireless LAN (WLAN) device. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 27
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 28
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 29
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. Serial number location 19 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 30
display assembly NOTE: See Display assembly components on page 26 for more display assembly internal component spare part information. ● For use with integrated microphone and webcam; Presario, matte black Spare part number 592146-001 20 Chapter 3 Illustrated parts catalog - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 31
● 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 model 1.0 only) ● For use with integrated microphone and webcam; HP, white ● For use with integrated - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 32
with HD5470/1G DSC HDMI (for model 1.1 only) 616408-001 Plastics Kit (see Plastics Kit on page 28 for more Plastics Kit information) 600190-001 (9a) Hard drive compartment cover (9b) Wireless/memory module mini-card compartment cover RTC battery (includes mounting adhesive) 602745-001 Memory - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 33
Kong, Hungary, Iceland, India, Indonesia, Ireland, Italy, Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter 593533-001 SPS-WLAN replacement thermal material) ● Advanced Micro Devices (AMD) processor P320 DDR3-1066 Mhz 594165-001 ● Advanced Micro Devices (AMD) processor DDR3-1066 Mhz (for model - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 34
617027-001 ● For use without HDMI card reader, matte black 617028-001 ● For use with HDMI card reader, charcoal (for model 1.1 only) 622579-001 Bluetooth module 537921-001 Bluetooth module cable (illustrated with Bluetooth module) 602822-001 Battery 24 Chapter 3 Illustrated parts catalog - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 35
● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, white (for 608122-001 model 1.0 only) ● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, charcoal (for model 1.1 only) 622577-001 ● DVD±RW SuperMulti DL Drive with LightScribe, matte black 600171-001 ● DVD - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 36
Display assembly components Item (1) (2) (3) Description Display bezel ● HP, for use with microphone and webcam ● Presario, for use with microphone and webcam 35.6 cm (14-in) high definition, Brightview, display panel (includes display panel cable) Display hinge cover Display bracket (with hinges) - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 37
cable (5) Antennas and cables Display back cover ● Presario, matte black ● Presario, biscotti ● HP, biscotti ● HP, silver ● HP, white (for model 1.0 only) ● HP, charcoal (for model 1.1 only) Webcam module Display screw kit (not illustrated; includes screws and screw covers) Display rubber display - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 38
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 28 Chapter 3 Illustrated parts catalog - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 39
● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, white (for 608122-001 model 1.0 only) ● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, charcoal (for model 1.1 only) 622577-001 ● DVD±RW SuperMulti DL Drive with LightScribe, matte black ● DVD±RW SuperMulti - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 40
● 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 41
model 1.0 only) Hard drive hardware kit (screws and hard drive bracket) Bluetooth module without cable Hard disk drive, 250-GB 7200 RPM Atheros AR9285 802.11 a/b/g/n 2x2 WiFi Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Italy, Ivory Coast, Jamaica, Japan, - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 42
webcam; Presario, matte black Display bezel, HP, for use with microphone and webcam Display bezel, Presario, for use with microphone and webcam Display back cover, Presario MDM CR Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter Battery, 6-cell 47-WH (2.2-Ah) LI-ion Battery, 6-cell 55-WH (2.55Ah) LI- - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 43
Presario, biscotti Display back cover, HP, biscotti Webcam Keyboard for use in the United States Keyboard for use in English and French Canada Keyboard for use in Latin America Keyboard for use in Brazil Keyboard for use in Thailand Keyboard for use in Taiwan Keyboard wireless cable RTC battery SPS- - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 44
integrated microphone and webcam; HP, white (for model 1.0 only) Display back cover, HP, silver Display back cover, HP, white (for model 1.0 only) ) 65-W AC adapter with power factor correction (PFC) for use in India Processor Advanced Micro Devices (AMD) DC N350 2.4GHz 35W Processor Advanced Micro - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 45
Thermal module (includes fan and heat sink) for use in models that use DSC HD545v graphics subsystem memory 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP, charcoal Display back cover, HP, charcoal Optical drive, DVD±RW SuperMulti DL Drive with - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 46
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. 36 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 47
twisting, or tearing cables. 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: Drives are fragile components that must be handled with care. To - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 48
: 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 38 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 49
material. ● Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures must directly contact dissipative surfaces, use fixtures made only of static - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 50
or boot 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 foot or floor mats with hard ties to the ground ● Field service kits ● Static awareness labels ● Material-handling packages ● Nonconductive - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 51
serial number label, located in the 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) Component replacement procedures 41 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 52
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. 42 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 53
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 54
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 43). 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 55
(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 45 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 56
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. - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 57
LightScribe, white (for model 1.0 only) 608120-001 DVD±RW SuperMulti DL Drive with LightScribe, charcoal (for model 1.1 only) 622575 then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 43). Remove the optical drive: 1. Position the replacement procedures 47 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 58
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. 48 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 59
AR9285 802.11 a/b/g/n 2x2 WiFi adapter for use in Afghanistan, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Italy, Ivory -002 Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter 593533-001 SPS-WLAN BGN from the computer. 4. Remove the battery (see Battery on page 43). 5. Remove the hard - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 60
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 61
GB, PC3 10600, 1333-MHz 4-GB, PC3 10600, 1333-MHz (for model 1.1 only) Spare part number 598856-001 598859-001 599092-001 Before removing and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 43). Remove the memory module: 1. Turn the computer upside - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 62
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. 52 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 63
the 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. 3. Turn the computer display-side up with the front toward you. 4. Open the computer as far as possible. Component replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 64
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. 54 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 65
Battery on page 43). b. Optical drive (see Optical drive on page 47). c. Keyboard (see Keyboard on page 53). Remove the switch cover: 1. Turn the computer upside down with the front toward you. 2. Remove the four screw covers (1) at the front edge of the computer. Component replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 66
button board cable (2) is connected and disconnect the cable from the system board. 8. Disconnect the speaker cable (3) from the system board. 56 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 67
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. Component replacement procedures 57 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 68
computer. 4. Remove the battery (see Battery on page 43). 5. Remove the following components: a. Optical drive (see Optical drive on page 47) b. Keyboard (see Keyboard on page 53) c. top cover. Reverse this procedure to install the speaker assembly. 58 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 69
(see Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard on page 53) d. Top cover (see to the top cover. 3. Remove the power button board (2). Component replacement procedures 59 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 70
(see Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard on page procedure to reassemble and install the TouchPad button board. 60 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 71
(for model 1.0 only) High-speed 56K modem for use in Australia and New Zealand (for model 1.0 only Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard replacement procedures 61 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 72
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 73
. 4. Remove the battery (see Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard on page 53) d. Top cover (see Top cover on page 55) Remove the Bluetooth module: 1. Position - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 74
(see Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard on page the computer. Reverse this procedure to install the USB board. 64 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 75
(see Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard on page base enclosure. Reverse this procedure to install the power connector cable. Component replacement procedures 65 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 76
35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; Presario, biscotti 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone and webcam; HP, biscotti 35.6 cm (14-in) WXGA Brightview display assembly for use with integrated - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 77
6. Disconnect the webcam cable (2) from the system board. CAUTION: Support 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 78
9. If it is necessary to replace any of the display assembly internal components, remove the following screw covers and bezel (4). The display bezel is available using spare part number 592147-001 for HP computers, and 592148-001 for Presario computers. 68 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 79
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 80
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 81
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 the display back cover, and then remove the webcam cable (2). The webcam - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 82
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. 72 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 83
with HD5470/1 G with HDMI card reader (for model 1.1 only) 616408-001 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 78) ● Memory modules (see - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 84
system board if still connected: ● Power connector cable (see Power connector cable on page 65) ● Bluetooth cable (see Bluetooth module on page 63) ● USB board cable (see USB board on page 64) 1. Turn the 4. Lift the right side of the system board (2). 74 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 85
. 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 86
see Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. WLAN (see WLAN module on page 49) c. Optical drive (see Optical drive on page 47) d. Keyboard (see Keyboard on connector to the system board. 76 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 87
2. Release the cable from the clips on the base enclosure (2), and then remove the cable (3). Component replacement procedures 77 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 88
4. Remove the battery (see Battery on page 43). Keyboard (see Keyboard on page 53) e. Top cover (see Top cover on page 55) f. Speaker assembly (see Speaker assembly on page 58) g. Display assembly (see Display assembly on page 66) h. System board (see System board on page 73) Remove the RTC battery - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 89
3. Remove the RTC battery (2). Reverse this procedure to install the RTC battery. Component replacement procedures 79 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 90
use in models that use DSC HD545V graphics subsystem memory (includes thermal material) (for model 1.0 Battery on page 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47) c. Keyboard (see Keyboard replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 91
(4) 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 reinstalled. NOTE: Thermal pads and thermal thermal material on systems with discrete graphics subsystems. Component replacement procedures 81 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 92
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 reinstalled. The following illustration shows the locations for thermal material on systems - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 93
from 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 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 47 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 94
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. 84 Chapter 4 Removal and replacement procedures - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 95
Utility Computer Setup in Windows 7 To view the drives installed on the computer, select Start > Computer. On models with a secondary hard drive 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 96
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 for Startup Menu" message is displayed in the lower-left corner of the screen, press f10. - or - Open Setup Utility by turning on or restarting - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 97
computer. While the "Press the 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 keys to select Exit > changed when you restore the factory default settings. Computer Setup in Windows 7 87 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 98
Changes, and then press enter. After either choice, the computer restarts in Windows. Setup Utility menus The menu tables in this section provide an overview of ● View specification information about the processor, memory size, system BIOS, and keyboard controller version (select models only). - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 99
System Configuration menu Select Language 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 100
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 Ignore Changes And Exit. Then follow the instructions on the screen. ● To save your preferences and exit - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 101
To save your preferences and exit Computer Setup, use the arrow keys to select File > Save Changes And Exit. Then follow the instructions on the screen. Your preferences go into effect when the computer restarts. NOTE: Your password settings and security settings are not changed when you restore the - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 102
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 103
Security menu NOTE: Some of the menu items listed in this section may not be supported by your computer. Select Setup Password Power-On Password Password Options DriveLock Passwords System IDs Disk Sanitizer To do this Enter, change, or delete a setup - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 104
2nd boot device: USB floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller /disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in Computer Setup even - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 105
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 106
6 Specifications Computer specifications Dimensions Depth Width Height (front to rear) Weight (lowest weight configuration) Input power Operating voltage Operating current thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 96 Chapter 6 Specifications - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 107
display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle 17.6 cm (17.6 cm) 31.1 cm (12.24 in) 35.7 cm (14.06 in) Up to 16.8 million 300:1 (typical - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 108
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 specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 109
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 110
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), CD-DA, CD-ROM (mode 1 and mode 2), CD-ROM XA (mode 2, form 1 and form 2), Photo CD - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 111
you can manually change the resource by type ● Resources by connection To view resource settings in Windows XP: 1. window, select the Hardware tab. 4. Click Device Manager. 5. On the View menu, click one of the following: ● Resources by type ● Resources by connection System resource specifications - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 112
Recovery Manager works from a dedicated recovery partition (select models only) on the hard drive or from recovery discs you create. NOTE: Computers with a solid-state drive (SSD) may not have a recovery partition. Recovery present, an HP Recovery drive is listed in the window. Windows 7 To protect - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 113
on your computer 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 recommends that you create recovery discs to be - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 114
Save customized settings in a window, toolbar, or menu bar by taking a screen shot of your settings. The screen shot can be a time-saver on 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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 115
backup process may take over an hour, depending on file size and the speed of the computer. 1. Select Start > All Programs > Maintenance > Backup and Restore. 2. Follow the on-screen instructions to set up and create a backup. NOTE: Windows® includes the User Account Control feature to improve the - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 116
a specific point 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 Recovery Manager works from recovery discs or from a dedicated recovery partition (select models - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 117
optical drive and restart the computer. 3. Follow the on-screen instructions. Recovering from the dedicated recovery partition (select models only) NOTE: Computers with an SSD may not have a recovery partition. If the computer does not have a recovery partition, you will not be able to recover using - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 118
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 119
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) 109 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 120
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 110 Chapter 8 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 121
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) 111 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 122
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 123
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Universal Serial Bus 113 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 124
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 in the country or region where the - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 125
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 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 126
. NOTE: Materials Disposal. This HP product contains mercury in the backlight Web site at http://www.eiae.org. This section provides disassembly instructions instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 127
Perform the following steps to disassemble the display assembly: 1. Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 128
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 129
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 119 - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 130
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 131
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 CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 132
100 Bluetooth module removal 63 spare part number 24, 63 boot options 89, 94 boot order 89, 94 button sound 89 buttons power 11 TouchPad right/left 9 C cable kit, spare part number 25 cables, service considerations 37 camera module removal 69 spare part number 69 camera, product description - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 133
display specifications 97 displaying full system recovery 102 function Windows applications 12 Windows logo 12 L LAN Power Saving 89 language support 89 latch, battery release 16 legacy support, USB 90, 94 light power 10 lights caps lock 10 Digital Media Slot 15 optical drive 14 webcam 13 wireless - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 134
4 keyboard 6 memory module 3 microphone 4 modem module 5 operating system 6 optical drives 4 pointing devices 6 ports 5 power requirements 6 processors 1 product name 1 security 6 serviceability 6 wireless 5 product name 1 R recovering a program or driver 102 recovering from the dedicated recovery - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 135
15, 16 Virtualization Technology 89 W webcam identifying 13 webcam light, identifying 13 Webcam module spare part number 27 Windows applications key, identifying 12 Windows logo key, identifying 12 wireless antenna removal 70 wireless antennas 17 wireless antennas and cables removal 71 spare part - Compaq Presario CQ42-300 | Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 136
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.