Compaq Presario,Presario 920 Technical Information

Compaq Presario CQ42 Notebook PCand HP G42 Notebook PCMaintenance and Service GuideSUMMARYThis guide is a troubleshooting reference used for maintaini

Category Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 149 DC N830 Tri-core

2.Lift the processor (2) straight up and remove it.NOTE: The gold triangle (3) on the processor must be aligned with the triangle icon (4)embossed on

5 Setup UtilityComputer Setup in Windows 7To view the drives installed on the computer, select Start > Computer.On models with a secondary hard dri

Using Setup UtilityChanging the language of Setup UtilityThe following procedure explains how to change the language of Setup Utility. If Setup Utilit

Displaying system informationThe following procedure explains how to display system information in Setup Utility. If Setup Utility isnot open, begin a

Exiting Setup UtilityYou can exit Setup Utility with or without saving changes.●To exit Setup Utility and save your changes from the current session:I

System Configuration menuSelect To do thisLanguage Support Change the language of Setup Utility.Button Sound (select models only) Enable/disable the c

Select To do thisSecondary Hard Disk Self Test (select models only) Run a comprehensive self-test on a secondary hard drive.Memory Test Run a diagnost

Computer Setup in LinuxStarting Computer SetupComputer Setup is a preinstalled, ROM-based utility that can be used even when the operating systemis no

Your preferences go into effect when the computer restarts.Restoring factory settings in Computer SetupTo return all settings in Computer Setup to the

Computer Setup menusThe menu tables in this section provide an overview of Computer Setup options.NOTE: Some of the Computer Setup menu items listed i

Category Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 149 Intel UMA (integr

Security menuNOTE: Some of the menu items listed in this section may not be supported by your computer.Select To do thisSetup Password Enter, change,

System Configuration menuNOTE: Some of the listed System Configuration options may not be supported by your computer.Select To do thisLanguage Change

Select To do thisBuilt-in device options●Enable/disable embedded WLAN Device Radio.●Enable/disable embedded Bluetooth Device Radio.●Enable/disable Net

6 SpecificationsComputer specificationsDimensionsDepth 22.8 cm (8.98 in)Width 34.2 cm (13.46 in)Height (front to rear) 31.5 to 36.5 cm (1.24 to 1.44 i

35.6-cm (14.0-in) display specificationsDimensionsHeight 17.6 cm (17.6 cm)Width 31.1 cm (12.24 in)Diagonal 35.7 cm (14.06 in)Number of colors Up to 16

Hard drive specifications 500-GB* 320-GB* 250-GB* 160-GB*DimensionsHeight 9.5 mm 9.5 mm 9.5 mm 9.5 mmWidth 70 mm 70 mm 70 mm 70 mmWeight 101 g 101 g

DVD±RW SuperMulti Double-Layer Drive withLightScribe specificationsApplicable disc Read CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXEDMOD

Blu-ray ROM with LightScribe DVD±R/RWSuperMulti DL Drive specificationsApplicable disc Read BD-ROM, BD-ROM-DL, BD-R, BD-R-DL, BD-RE, BD-RE-DL, DVD-RO

System resource specificationsYou can use Device Manager to get a graphical view of the system resources that control how thedevices work on the compu

7 Backup and recoveryRecovery after a system failure is as complete as your most current backup. HP recommends that youcreate recovery discs immediate

Category Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 149 DDR3, 800-MHz, du

Depending on your computer model, you may have one of the following backup and recoverysolutions:●Roxio BackOnTrack●HP Recovery ManagerNOTE: For detai

Backing up your informationAs you add new software and data files, you should back up your system on a regular basis tomaintain a reasonably current b

Using Windows Backup and RestoreTo create a backup using Windows Backup and Restore, follow these steps:NOTE: Be sure that the computer is connected t

Using system restore pointsWhen you back up your system, you are creating a system restore point. A system restore point allowsyou to save and name a

Recovery Manager software allows you to repair or restore the system if you experience system failureor instability. Recovery Manager works from recov

Linux backup and recoveryUse the instructions in this section if SUSE Linux SLED 11 is installed on your computer.To protect your information, back up

8 Connector pin assignmentsAudio-out (headphone)Pin Signal1 Audio out, left channel2 Audio out, right channel3GroundAudio-in (microphone)Pin Signal1 A

External monitorPin Signal1 Red analog2 Green analog3 Blue analog4Not connected5Ground6 Ground analog7 Ground analog8 Ground analog9+5 VDC10 Ground11

RJ-11 (modem)Pin Signal1Unused2Tip3Ring4Unused5Unused6UnusedRJ-45 (network)Pin Signal1Transmit +2Transmit -3 Receive +4Unused5Unused6 Receive -7Unused

HDMIPin Signal1 TMDS data 2+2 TMDS data 2 shield3 TMDS data 2–4 TMDS data 1+5 TMDS data 1shield6 TMDS data 1–7 TMDS data 0+8 TMDS data 0 shield9 TMDS

Category Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 149 Fixed (no tilt) √√

Universal Serial BusPin Signal1+5 VDC2 Data -3 Data +4Ground122 Chapter 8 Connector pin assignments

9 Power cord set requirementsThe wide range input feature of the computer permits it to operate from any line voltage from 100 to120 volts AC or from

Requirements for specific countries or regionsCountry/region Accredited agency Applicable note numberAustralia EANSW 1Austria OVE 1Belgium CEBC 1Canad

10 RecyclingBatteryWhen a battery has reached the end of its useful life, do not dispose of the battery in generalhousehold waste. Follow the local la

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 dis

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

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

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 mercu

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 th

IndexSymbols/Numerics1394 Power Saving 97AAC adapteridentifying 18AC adapter, spare partnumbers 31administrator password 96antennaremoval 77antennas 1

Category Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 149 Single port confi

diskette driveprecautions 39product description 4display assemblyremoval 73spare part number 20, 73display back coverspare part number 28display bezel

memory test 98microphone (internal),identifying 13microphone jack, pinassignments 118microphone, productdescription 5mini-card compartment coverillust

serviceability, productdescription 7setup utilityDiagnostics menu 102File menu 101navigating and selecting 99restoring factory settings 100Security me

Category Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 149 Windows 7 Home Pr

2 External component identificationIdentifying the hardwareComponents included with the computer may vary by region and model. The illustrations in th

Top componentsTouchPadComponent Description(1)TouchPad off indicator To switch the TouchPad zone on and off, quickly double-tapthe TouchPad off indica

LightsComponent Description(1) TouchPad light●On: The TouchPad is disabled.●Off: The TouchPad is enabled.(2) Caps lock light On: Caps lock is on.(3

Button and speakersComponent Description(1) Speakers (2) Produce sound.(2) Power button●When the computer is off, press the button to turn on thecom

© Copyright 2010 Hewlett-PackardDevelopment Company, L.P.Bluetooth is a trademark owned by itsproprietor and used by Hewlett-PackardCompany under lice

KeysComponent Description(1) esc key Displays system information when pressed in combination withthe fn key.(2) fn key Displays system information

DisplayComponent Description(1) Internal microphone Records sound.(2) Integrated webcam (select models only) Records audio and video and captures stil

Right-side componentsComponent Description(1) Optical drive Reads and writes to optical discs.(2) Optical drive light Blinking: The optical drive

Left-side componentsComponent Description(1)External monitor port Connects an external VGA monitor or projector.(2) Vent Enables airflow to cool int

Bottom componentsComponent Description(1) Battery bay Holds the battery.(2)Battery release latch Releases the battery from the battery bay.(3) Ven

Wireless antennasAt least 2 antennas send and receive signals from one or more wireless devices. These antennas arenot visible from the outside of the

Additional hardware componentsComponent Description(1) Power cord* Connects an AC adapter to an AC outlet.(2) AC adapter Converts AC power to DC power

3 Illustrated parts catalogSerial number locationWhen ordering parts or requesting information, provide the computer serial number and model numberloc

Computer major componentsItem Description Spare part number(1) 35.6 cm (14-in), WXGA, BrightView display assemblyNOTE: See Display assembly components

Item Description Spare part number ●For use with integrated microphone and webcam; Presario, biscotti 597617-001 ●For use with integrated microphone a

Safety warning noticeWARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do notplace the computer directly on

Item Description Spare part number For use in models with discrete graphics subsystem 615577–001 For use in models with discrete graphics subsystem

Item Description Spare part number ●Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentian,Armenia, Australia, Austria, Azerba

Item Description Spare part number ●For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda,Argentina, Armenia, Aruba, Australi

Item Description Spare part number ●Intel Core 2 Duo Mobile,T4300, 2.1-GHz 572929-001 ●Intel Core 2 Duo Mobile processor T3100 - 1.9-GHz 572925-001 ●I

Item Description Spare part number ●320-GB 7200 RPM 600169-001 ●250-GB 7200 RPM 575598-001 ●160-GB 7200 RPM 600167-001(22) Hard drive cable/adapter (i

Display assembly componentsItem Description Spare part number(1) Display bezel ●HP, for use with microphone and webcam 592147-001 ●Presario, for use

Item Description Spare part number Display cable (shown with display panel) (4) Webcam cable (5) Antennas and cables (6) Display back cover

Plastics KitItem Description Spare part number Plastics kit 600190-001(1) Hard drive bay cover (includes captive screws) (2) Wireless/memory module

Mass storage devicesItem Description Spare part number(1) Hard drive (include hard drive bracket) ●640–GB 5400 RPM 615808-001 ●500-GB 7200 RPM 600170-

Miscellaneous partsDescription Spare part numberAC adapters●90-W Smart AC adapter with power factor correction (PFC) 613152-001●90-W AC adapter with p

iv Safety warning notice

Sequential part number listingSpare partnumberDescription490371-001 Power cord, AC, 3-pin, black, 1.83-m, for use in North America490371-011 Power cor

Spare partnumberDescription580101-002 Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter for use in Afghanistan, Albania, Algeria, Andorra,Angola, Antigua

Spare partnumberDescription592147-001 Display bezel, HP, for use with microphone and webcam592148-001 Display bezel, Presario, for use with microphone

Spare partnumberDescription594172-001 Processor Advanced Micro Devices (AMD) DC N530 DC 2.5GHz L2 35W595198-001 Display rubber kit594173-001 Processor

Spare partnumberDescription600177-001 Base enclosure (with modem cable and ODD cable) for use with HDMI card reader and without modemmodule, biscotti6

Spare partnumberDescription606609-001 Thermal module (includes fan and heat sink) for use in models that use UMA graphics subsystem memory606610-001 T

4 Removal and replacementproceduresPreliminary replacement requirementsTools requiredYou will need the following tools to complete the removal and rep

Cables and connectorsCAUTION: When servicing the computer, be sure that cables are placed in their proper locationsduring the reassembly process. Impr

Grounding guidelinesElectrostatic discharge damageElectronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure

Packaging and transporting guidelinesFollow these grounding guidelines when packaging and transporting equipment:●To avoid hand contact, transport pro

Table of contents1 Product description ... 12

Equipment guidelinesGrounding equipment must include either a wrist strap or a foot strap at a grounded workstation.●When seated, wear a wrist strap c

Component replacement proceduresThis chapter provides removal and replacement procedures.There are as many as 75 screws, in 12 different sizes, that m

Computer feetDescription Spare part numberRubber Feet Kit 600184-001The computer feet are adhesive-backed rubber pads. The feet attach to the base enc

BatteryDescription Spare part number6-cell 55-WH (2.55Ah) LI-ion 593554-0016-cell 47-WH (2.2-Ah) LI-ion 593553-001Before disassembling the computer, f

Hard driveNOTE: All hard drive spare part kits include a hard drive bracket.Description Spare part number640-GB 5400 RPM 615808-001500-GB 7200 RPM 600

3.Lift the left side of the hard drive cover (2), swing it forward, and remove the cover (3). The harddrive cover is included in the plastics kit, spa

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 fo

Optical driveDescription Spare partnumberDVD±RW SuperMulti DL Drive with LightScribe, matte black 600171-001DVD±RW SuperMulti DL Drive with LightScrib

4.Remove the optical drive (3).5. If it is necessary to replace the optical drive bracket, position the optical drive with the opticaldrive bracket to

WLAN moduleDescription Spare partnumberAtheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter for use in Canada, the Cayman Islands, Guam,Puerto Rico, the Uni

Electrostatic discharge damage ... 40Packaging and transporting guidelines ...

Description Spare partnumberSPS-WLAN BGN + BT HMC Combo Matador 600370-001SPS-WLAN 802.11 bgn Shiraz HMC 593836-001SPS-WLAN BGN (1x1) + BT HMC Combo R

6.Remove the WLAN module (3) by pulling it away from the slot at an angle.CAUTION: To prevent an unresponsive system, replace the wireless module only

Memory moduleDescription Spare part number2048-MB, PC3 10600, 1333-MHz 598856-0011024-MB, PC3 10600, 1333-MHz 598859-001Before removing the memory mod

3.Lift cover off the computer. The mini-card compartment cover is included in the plastics kit, sparepart number 600190-001.NOTE: Small tabs hold the

KeyboardDescription Spare part numberKeyboard for use in Brazil 600175-201Keyboard for use in English and French Canada 600175-121Keyboard for use in

3.Turn the computer display-side up with the front toward you.4. Open the computer as far as possible.5.Release the top edge of the keyboard by liftin

Top coverDescription Spare part numberTop cover (includes Touchpad and bracket, button board, and cable), matte black 600181-001Top cover, bicotti 600

3.Remove the five Phillips PM2.5×6.5 screws (2), the two Phillips PM2.5x4.0 screws (3), and thefour Phillips PM2.5x3.0 screws (4) that secure the top

9.Release the ZIF connector to which the power button board cable (4) is connector and disconnectthe cable from the system board.10. Remove the Philli

Speaker assemblyDescription Spare part numberSpeaker assembly 600189-001Before removing the speaker assembly, follow these steps:1. Shut down the comp

Starting Computer Setup ... 99Using Computer Setup ...

Power button boardDescription Spare part numberPower button board (with cable) 600188-001Before removing the power button board, follow these steps:1.

TouchPad button boardDescription Spare part numberTouchPad button board 604603-001Before removing the TouchPad button board, follow these steps:1. Shu

Reverse the above procedure to reassemble and install the TouchPad button board.64 Chapter 4 Removal and replacement procedures

Modem moduleDescription Spare part numberHigh-speed 56K modem for use in all countries and regions except Australia and New Zealand 510100-001High-spe

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 instal

Bluetooth moduleDescription Spare part numberBluetooth module 537921-001Bluetooth module cable 602822-001Before removing the Bluetooth module, follow

Reverse the above procedure to install the Bluetooth module.68 Chapter 4 Removal and replacement procedures

USB boardDescription Spare part numberUSB board (includes cable) 600631-001Before removing the USB board, follow these steps:1. Shut down the computer

Reverse this procedure to install the USB board.70 Chapter 4 Removal and replacement procedures

Power connector cableDescription Spare part numberPower connector cable (includes cable and connector) 600630-001Before removing the power connector c

Requirements for specific countries or regions ... 12410 Recycling ...

Reverse this procedure to install the power connector cable.72 Chapter 4 Removal and replacement procedures

Display assemblyDescription Spare part number35.6 cm (14-in) WXGA Brightview display assembly for use with integrated microphone andwebcam; Presario,

6.Disconnect the webcam cable (2) from the system board.CAUTION: Support the display assembly when removing the display screws in the followingsteps.

9.If it is necessary to replace any of the display assembly internal components, remove the followingscrew covers and screws. The display screw covers

12.If it is necessary to replace the webcam module, disconnect the webcam cable (1) from themodule. Lift the webcam from the double-sided tape on the

The display cable is available in the display cable kit, spare part number 592151-001.15. If it is necessary to replace the display bracket and hinges

20.Remove the wireless antennas and cables (4) from the display enclosure. The wireless antennasand cables are included in the display cable kit, spar

22.If it is necessary to remove the microphone, release the microphone cable from the adhesive strips(1) along the cable path on the display back cove

System boardDescription Spare part numberSystem board for use in models with discrete graphics subsystem 595181-001System board for use in models with

4.Remove the battery (see Battery on page 45).5. Remove the following components:a.Hard drive (see Hard drive on page 46)b. WLAN (see WLAN module on p

1 Product descriptionCategory Description HP G42 CompaqPresarioCQ42CompaqPresarioCQ42CompaqPresarioCQ42UMA Discrete UMAModels 150– 199UMAModels 100– 1

5.Release the system board by sliding it to the right at an angle (3) until the connectors on the leftside of the system board clear the base enclosur

Optical drive SATA cable and connectorDescription Spare part numberOptical drive cable (included in the cable kit) 610791-001Before removing the optic

2.Release the cable from the clips on the base enclosure (2), and then remove the cable (3).84 Chapter 4 Removal and replacement procedures

RTC batteryDescription Spare part numberRTC battery 602745-001Before removing the RTC battery, follow these steps:1. Shut down the computer. If you ar

3.Remove the RTC battery (2).Reverse this procedure to install the RTC battery.86 Chapter 4 Removal and replacement procedures

Fan/heat sink assemblyDescription Spare part numberFan/heat sink assembly for use in models that use Universal Memory Architecture (UMA) graphicssubsy

Remove the fan/heat assembly (fan/heat sink appearance may vary):1. Turn the system board upside down.2.Disconnect the fan cable (1) from the system b

The thermal material must be thoroughly cleaned from the surface of the fan/heat sink assembly (1)and (3), and the processor component (2), each time

ProcessorNOTE: All processor spare part kits include thermal material.Description Spare part numberIntel Arrandale Core 620M 2.26-GHz 587259-001Intel

Before removing the processor, follow these steps:1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the