Manuals / HP / Computer Equipment / Laptop

HP CQ35-110TX, CQ35-229TX, CQ35-227TX, CQ35-224TX, CQ35-225TX, CQ35-221TU manual Remove the top cover

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

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Removal and replacement procedures

Remove the top cover:

1.Turn the computer upside down with the front toward you.

2.Remove the following screws that secure the top cover to the base enclosure: 1 Four Phillips PM2.0×9.0 screws on the front edge of the base enclosure 2 One Phillips PM2.0×2.5 broadhead screw in the hard drive bay

3 One Phillips PM2.0×4.0 screw in the hard drive bay

4–24	Maintenance and Service Guide

Page 60

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HP CQ35-110TX, CQ35-229TX, CQ35-227TX, CQ35-224TX, CQ35-225TX, CQ35-221TU, CQ35-207TU, CQ35-213TX manual Remove the top cover

Contents

Maintenance and Service Guide Compaq Presario CQ35 Notebook PCDocument Part Number Page Copyright 2009 Hewlett-Packard Development Company, L.P First Edition May Document Part NumberSafety warning notice 4 Removal and replacement procedures 1 Product description 2 External component identification3 Illustrated parts catalog Contents5 Setup Utility 6 Specifications8 Backup and recovery 7 Screw listing9 Connector pin assignments 10Power cord set requirements11Recycling IndexMaintenance and Service Guide Product description Maintenance and Service GuideContinued Product description Discrete graphicsUMA graphics CategoryMaintenance and Service Guide ContinuedProduct description 2 wireless antennas built into display assembly Product descriptionContinued Power requirements Maintenance and Service GuideDiscrete graphics UMA graphicsHard drive Memory modules RTC battery Optical drive WLAN module Product descriptionWWAN module External component identification Top componentsDisplay components Maintenance and Service GuideButtons and fingerprint reader select models only External component identificationKeys Maintenance and Service Guideesc key fn keyLights External component identificationPointing devices Maintenance and Service GuideExternal component identification Front components Left-side componentsExternal component identification Right-side components Maintenance and Service GuideExternal component identification Bottom components External component identificationregion. If you replace the module and then receive a warning message Service tag Illustrated parts catalogMaintenance and Service Guide Computer major components Maintenance and Service GuideIllustrated parts catalog Maintenance and Service Guide Illustrated parts catalogItem Description ContinuedBattery Illustrated parts catalogItem Description Intel Core2 Duo processorsMaintenance and Service Guide Broadcom 4322AGN 802.11a/b/g/n WLAN module for use in CanadaContinued Illustrated parts catalog Item Description20 WLAN module continued 802.11a/b/g WLAN module Display assembly subcomponents Maintenance and Service GuideIllustrated parts catalog Plastics Kit Maintenance and Service GuideIllustrated parts catalog 1 ExpressCard slot bezelMass storage devices Maintenance and Service GuideIllustrated parts catalog Item DescriptionMiscellaneous parts Power cordsIllustrated parts catalog DescriptionSequential part number listing Maintenance and Service GuideIllustrated parts catalog ContinuedIllustrated parts catalog Spare part numberDescription ContinuedMaintenance and Service Guide Spare part numberDescription ContinuedIllustrated parts catalog Spare part numberDescription 3-14Removal and replacement procedures Preliminary replacement requirementsService considerations Cables and connectorsGrounding guidelines Drive handlingElectrostatic discharge damage Packaging and transporting guidelines Workstation guidelines Equipment guidelinesComponent replacement procedures Service tagBattery Computer feetRemove the battery Hard drive 7. Remove the hard drive 4 from the hard drive bay Memory module WLAN module Removal and replacement proceduresMaintenance and Service Guide Continued4. Remove the battery see “Battery” on page Removal and replacement proceduresBefore 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 RTC battery Removal and replacement proceduresOptical 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 Right speaker b. Keyboard see “Keyboard” on pagec. Keyboard cover see “Keyboard cover” on page Top cover a. Hard drive see “Hard drive” on pageb. 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 Reverse this procedure to install the top cover Removal and replacement proceduresMaintenance and Service Guide 12. Lift the rear edge 1 of the top cover until it rests at an angleFingerprint reader board f. Top cover see “Top cover” on pagea. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pageLeft speaker a. Hard drive see “Hard drive” on pageb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pageDisplay assembly g. Left speaker see “Left speaker” on pagea. 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 LED board a. Hard drive see “Hard drive” on pageb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pageBluetooth module a. Hard drive see “Hard drive” on pageb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pageAudio board a. Hard drive see “Hard drive” on pageb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pageUSB board a. Hard drive see “Hard drive” on pageb. Optical drive see “Optical drive” on page c. Keyboard see “Keyboard” on pagePower connector and cable e. Display assembly see “Display assembly” on pagea. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pagej. Display assembly see “Display assembly” on page RTC battery see “RTC battery” on pageHeat sink see “Fan/heat sink assembly” on page System board2 Bluetooth module cable 3 Audio board cable Removal and replacement proceduresMaintenance and Service Guide Remove the system boardReverse this procedure to install the system board Fan/heat sink assembly k. System board see “System board” on pagej. 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 d. RTC battery see “RTC battery” on page Processore. Optical drive see “Optical drive” on page f. Keyboard see “Keyboard” on pagei. Display assembly see “Display assembly” on page j. Top cover see “Top cover” on pagek. System board see “System board” on page 2. Lift the processor 2 straight up and remove itSetup Utility Starting the Setup UtilityUsing the Setup Utility Changing the language of the Setup UtilityNavigating and selecting in the Setup Utility Restoring default settings in the Setup UtilityDisplaying system information Setup UtilitySetup Utility menus Exiting the Setup UtilityMain menu Security menuSystem Configuration menu Diagnostics menuSetup Utility Specifications Computer specificationsMaintenance and Service Guide 13.3-in display specifications SpecificationsHard drive specifications Maintenance and Service GuideSpecifications Blu-ray ROM DVD±R/RW SuperMulti DL Drive specifications SpecificationsAccess time Applicable discDVD±RW and CD-RW SuperMulti Double-Layer Drive specifications SpecificationsAccess time Transfer modeSystem DMA specifications SpecificationsHardware DMA System functionSystem memory map specifications SpecificationsMaintenance and Service Guide SizeSystem interrupt specifications SpecificationsHardware IRQ System functionSystem I/O address specifications SpecificationsSystem function shipping configuration Maintenance and Service GuideSpecifications System function shipping configurationI/O address hex 6-10Where used Screw listingPhillips PM2.5×6.0 captive screw Phillips PM3.0×4.0 screw Maintenance and Service GuideScrew listing Phillips PM2.0×4.0 screw Where used One screw that secures the right speaker to the computerMaintenance and Service Guide Screw listingWhere used 5 screws that secure the top cover to the computer Where usedMaintenance and Service Guide 1 One screw that secures the LED board to the base enclosurePhillips PM2.0×9.0 screw Where usedMaintenance and Service Guide 1 One screw that secures the optical drive to the computerPhillips PM2.0×3.0 screw Maintenance and Service GuideScrew listing Where used 2 screws that secure the optical drive bracket to the optical drive Maintenance and Service Guide Screw listingPhillips PM2.5×9.0 screw Where used 2 screws that secure the keyboard cover to the computerMaintenance and Service Guide Screw listingPhillips PM2.0×2.5 broadhead screw Where usedPhillips PM2.5×6.0 screw Where used 2 screws that secure the display assembly to the computerMaintenance and Service Guide Screw listingPhillips PM2.5×4.0 screw Maintenance and Service GuideScrew listing 7-12Where used 2 screws that secure the system board to the computer Maintenance and Service GuideScrew listing 7-13Phillips PM2.0×7.0 captive screw Maintenance and Service GuideScrew listing 7-14Backup and recovery Creating recovery discsOverview When to back up Backup suggestions3. Click Recovery disc creation, and then click Next Backing up your informationUsing system restore points When to create restore pointsCreate a system restore point Restore to a previous date and timePerforming a recovery Recovering from the recovery discsRecovering from the dedicated recovery partition select models only Select Start All Programs Recovery Manager Recovery ManagerConnector pin assignments Audio-in microphoneAudio-out headphone Maintenance and Service GuideExternal monitor Connector pin assignmentsHDMI Connector pin assignmentsSignal Maintenance and Service GuideRJ-45 network Universal Serial BusConnector pin assignments SignalPower cord set requirements Requirements for all countries and regionsRequirements for specific countries and regions Power cord set requirementsCountry/region Accredited agencyBattery RecyclingDisplay Perform the following steps to disassemble the display assembly Maintenance and Service Guide3. 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 Maintenance and Service Guide 16. Turn the display panel upside down17. Remove the backlight frame from the display panel 18. Remove the backlight from the backlight frameMaintenance and Service Guide 19. Disconnect the display cable 1 from the LCD panel21. 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