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HP CQ35-227TX, CQ35-229TX manual Compaq Presario CQ35 Notebook PC, Maintenance and Service Guide

Models: CQ35-103TX CQ35-230TX CQ35-126TX CQ35-220TU CQ35-227TX

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Compaq Presario CQ35 Notebook PC

Maintenance and Service Guide

Document Part Number:

May 2009

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.

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HP CQ35-227TX, CQ35-229TX manual Compaq Presario CQ35 Notebook PC, Maintenance and Service Guide, Document Part Number

Contents

Compaq Presario CQ35 Notebook PC Maintenance and Service GuideDocument Part Number Page First Edition May Document Part Number Copyright 2009 Hewlett-Packard Development Company, L.PSafety warning notice 1 Product description 2 External component identification 4 Removal and replacement procedures3 Illustrated parts catalog Contents6 Specifications 5 Setup Utility8 Backup and recovery 7 Screw listing10Power cord set requirements 9 Connector pin assignments11Recycling IndexMaintenance and Service Guide Maintenance and Service Guide Product descriptionContinued Discrete graphics Product descriptionUMA graphics CategoryContinued Maintenance and Service GuideProduct description Product description 2 wireless antennas built into display assemblyContinued Maintenance and Service Guide Power requirementsDiscrete graphics UMA graphicsProduct description Hard drive Memory modules RTC battery Optical drive WLAN moduleWWAN module Top components External component identificationDisplay components Maintenance and Service GuideExternal component identification Buttons and fingerprint reader select models onlyMaintenance and Service Guide Keysesc key fn keyExternal component identification LightsMaintenance and Service Guide Pointing devicesExternal component identification Left-side components Front componentsExternal component identification Maintenance and Service Guide Right-side componentsExternal component identification External component identification Bottom componentsregion. If you replace the module and then receive a warning message Illustrated parts catalog Service tagMaintenance and Service Guide Maintenance and Service Guide Computer major componentsIllustrated parts catalog Illustrated parts catalog Maintenance and Service GuideItem Description ContinuedIllustrated parts catalog BatteryItem Description Intel Core2 Duo processorsBroadcom 4322AGN 802.11a/b/g/n WLAN module for use in Canada Maintenance and Service GuideContinued Item Description Illustrated parts catalog20 WLAN module continued 802.11a/b/g WLAN module Maintenance and Service Guide Display assembly subcomponentsIllustrated parts catalog Maintenance and Service Guide Plastics KitIllustrated parts catalog 1 ExpressCard slot bezelMaintenance and Service Guide Mass storage devicesIllustrated parts catalog Item DescriptionPower cords Miscellaneous partsIllustrated parts catalog DescriptionMaintenance and Service Guide Sequential part number listingIllustrated parts catalog ContinuedSpare part number Illustrated parts catalogDescription ContinuedSpare part number Maintenance and Service GuideDescription ContinuedSpare part number Illustrated parts catalogDescription 3-14Preliminary replacement requirements Removal and replacement proceduresService considerations Cables and connectorsDrive handling Grounding guidelinesElectrostatic discharge damage Packaging and transporting guidelines Equipment guidelines Workstation guidelinesService tag Component replacement proceduresComputer feet BatteryRemove the battery Hard drive 7. Remove the hard drive 4 from the hard drive bay Memory module Removal and replacement procedures WLAN moduleMaintenance and Service Guide ContinuedRemoval and replacement procedures 4. Remove the battery see “Battery” on pageBefore removing the WLAN module, follow these steps 2. Disconnect all external devices connected to the computerRemove the WLAN module Reverse this procedure to install the WLAN module Removal and replacement procedures RTC batteryOptical drive a. Position the optical drive with the rear toward you Keyboard 2. Turn the computer display-side up with the front toward you Keyboard cover 2. Turn the computer display-side up with the front toward you b. Keyboard see “Keyboard” on page Right speakerc. Keyboard cover see “Keyboard cover” on page a. Hard drive see “Hard drive” on page Top coverb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pageRemove the top cover 3. Disconnect the left speaker cable 1 from the system board Removal and replacement procedures Reverse this procedure to install the top coverMaintenance and Service Guide 12. Lift the rear edge 1 of the top cover until it rests at an anglef. Top cover see “Top cover” on page Fingerprint reader boarda. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pagea. Hard drive see “Hard drive” on page Left speakerb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pageg. Left speaker see “Left speaker” on page Display assemblya. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pageRemove the display assembly 531800-001-for use only with computer models equipped with a webcam 8. Disconnect the webcam module cable 2 from the webcam module 12. If it is necessary to replace the display hinges, remove the six Phillips PM2.0×3.0 screws 1 that secure the hinges to the display panel 17. If it is necessary to replace the wireless antenna transceivers and cables, release the tabs 1 built into the display enclosure shielding Reverse this procedure to reassemble and install the display assembly a. Hard drive see “Hard drive” on page LED boardb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pagea. Hard drive see “Hard drive” on page Bluetooth moduleb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pagea. Hard drive see “Hard drive” on page Audio boardb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pagea. Hard drive see “Hard drive” on page USB boardb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pagee. Display assembly see “Display assembly” on page Power connector and cablea. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pageRTC battery see “RTC battery” on page j. Display assembly see “Display assembly” on pageHeat sink see “Fan/heat sink assembly” on page System boardRemoval and replacement procedures 2 Bluetooth module cable 3 Audio board cableMaintenance and Service Guide Remove the system boardReverse this procedure to install the system board k. System board see “System board” on page Fan/heat sink assemblyj. Display assembly see “Display assembly” on page a. Hard drive see “Hard drive” on pageRemove the fan/heat sink assembly The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system board each time the fan/heat sink assembly is removed 5. Remove the fan/heat sink assembly Reverse this procedure to install the fan/heat sink assembly Processor d. RTC battery see “RTC battery” on pagee. Optical drive see “Optical drive” on page f. Keyboard see “Keyboard” on pagej. Top cover see “Top cover” on page i. Display assembly see “Display assembly” on pagek. System board see “System board” on page 2. Lift the processor 2 straight up and remove itStarting the Setup Utility Setup UtilityUsing the Setup Utility Changing the language of the Setup UtilityRestoring default settings in the Setup Utility Navigating and selecting in the Setup UtilityDisplaying system information Setup UtilityExiting the Setup Utility Setup Utility menusMain menu Security menuDiagnostics menu System Configuration menuSetup Utility Computer specifications SpecificationsMaintenance and Service Guide Specifications 13.3-in display specificationsMaintenance and Service Guide Hard drive specificationsSpecifications Specifications Blu-ray ROM DVD±R/RW SuperMulti DL Drive specificationsAccess time Applicable discSpecifications DVD±RW and CD-RW SuperMulti Double-Layer Drive specificationsAccess time Transfer modeSpecifications System DMA specificationsHardware DMA System functionSpecifications System memory map specificationsMaintenance and Service Guide SizeSpecifications System interrupt specificationsHardware IRQ System functionSpecifications System I/O address specificationsSystem function shipping configuration Maintenance and Service GuideSystem function shipping configuration SpecificationsI/O address hex 6-10Screw listing Where usedPhillips PM2.5×6.0 captive screw Maintenance and Service Guide Phillips PM3.0×4.0 screwScrew listing Where used One screw that secures the right speaker to the computer Phillips PM2.0×4.0 screwMaintenance and Service Guide Screw listingWhere used Where used 5 screws that secure the top cover to the computerMaintenance and Service Guide 1 One screw that secures the LED board to the base enclosureWhere used Phillips PM2.0×9.0 screwMaintenance and Service Guide 1 One screw that secures the optical drive to the computerMaintenance and Service Guide Phillips PM2.0×3.0 screwScrew listing Where used 2 screws that secure the optical drive bracket to the optical drive Screw listing Maintenance and Service GuideWhere used 2 screws that secure the keyboard cover to the computer Phillips PM2.5×9.0 screwMaintenance and Service Guide Screw listingWhere used Phillips PM2.0×2.5 broadhead screwWhere used 2 screws that secure the display assembly to the computer Phillips PM2.5×6.0 screwMaintenance and Service Guide Screw listingMaintenance and Service Guide Phillips PM2.5×4.0 screwScrew listing 7-12Maintenance and Service Guide Where used 2 screws that secure the system board to the computerScrew listing 7-13Maintenance and Service Guide Phillips PM2.0×7.0 captive screwScrew listing 7-14Creating recovery discs Backup and recoveryOverview Backup suggestions When to back up3. Click Recovery disc creation, and then click Next Backing up your informationWhen to create restore points Using system restore pointsCreate a system restore point Restore to a previous date and timeRecovering from the recovery discs Performing a recoveryRecovering from the dedicated recovery partition select models only Select Start All Programs Recovery Manager Recovery ManagerAudio-in microphone Connector pin assignmentsAudio-out headphone Maintenance and Service GuideConnector pin assignments External monitorConnector pin assignments HDMISignal Maintenance and Service GuideUniversal Serial Bus RJ-45 networkConnector pin assignments SignalRequirements for all countries and regions Power cord set requirementsPower cord set requirements Requirements for specific countries and regionsCountry/region Accredited agencyRecycling BatteryDisplay Maintenance and Service Guide Perform the following steps to disassemble the display assembly3. Remove the display bezel Recycling6. Remove the display panel assembly 2 from the display enclosure 10. Remove the display panel frame 2 from the display panel 16. Turn the display panel upside down Maintenance and Service Guide17. Remove the backlight frame from the display panel 18. Remove the backlight from the backlight frame19. Disconnect the display cable 1 from the LCD panel Maintenance and Service Guide21. Release the LCD panel 3 from the display rear panel 23. Remove the LCD panel 24. Recycle the LCD panel and backlightIndex Page Page Page Index-5