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HP CQ35-233TX Pointing devices, External component identification, Maintenance and Service Guide

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

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External component identification

Pointing devices

Item	Component	Description

(1)	TouchPad light	■ White: TouchPad is enabled.
		■ Amber: TouchPad is disabled.

(2)	TouchPad*	Moves the pointer and selects or activates items on the screen.

(3)	Left TouchPad button*	Functions like the left button on an external mouse.

(4)	TouchPad on/off button	Enables/disables the TouchPad.

(5)	TouchPad scroll zone	Scrolls up or down.

(6)	Right TouchPad button*	Functions like the right button on an external mouse.

*This table describes factory settings. To view or change pointing device references, select Start > Control Panel > Hardware

and Sound > Mouse.

Maintenance and Service Guide

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HP CQ35-233TX, CQ35-229TX, CQ35-227TX Pointing devices, External component identification, Maintenance and Service Guide

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 Contents 4 Removal and replacement procedures1 Product description 2 External component identification 3 Illustrated parts catalog7 Screw listing 5 Setup Utility6 Specifications 8 Backup and recoveryIndex 9 Connector pin assignments10Power cord set requirements 11RecyclingMaintenance and Service Guide Maintenance and Service Guide Product descriptionContinued Category Product descriptionDiscrete graphics UMA graphicsContinued Maintenance and Service GuideProduct description Product description 2 wireless antennas built into display assemblyContinued UMA graphics Power requirementsMaintenance and Service Guide Discrete graphicsProduct description Hard drive Memory modules RTC battery Optical drive WLAN moduleWWAN module Maintenance and Service Guide External component identificationTop components Display componentsExternal component identification Buttons and fingerprint reader select models onlyfn key KeysMaintenance and Service Guide esc 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 Continued Maintenance and Service GuideIllustrated parts catalog Item DescriptionIntel Core2 Duo processors BatteryIllustrated parts catalog Item DescriptionBroadcom 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 1 ExpressCard slot bezel Plastics KitMaintenance and Service Guide Illustrated parts catalogItem Description Mass storage devicesMaintenance and Service Guide Illustrated parts catalogDescription Miscellaneous partsPower cords Illustrated parts catalogContinued Sequential part number listingMaintenance and Service Guide Illustrated parts catalogContinued Illustrated parts catalogSpare part number DescriptionContinued Maintenance and Service GuideSpare part number Description3-14 Illustrated parts catalogSpare part number DescriptionCables and connectors Removal and replacement proceduresPreliminary replacement requirements Service considerationsDrive 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 Continued WLAN moduleRemoval and replacement procedures Maintenance and Service Guide2. Disconnect all external devices connected to the computer 4. Remove the battery see “Battery” on pageRemoval and replacement procedures Before removing the WLAN module, follow these stepsRemove 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 c. Keyboard see “Keyboard” on page Top covera. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pageRemove the top cover 3. Disconnect the left speaker cable 1 from the system board 12. Lift the rear edge 1 of the top cover until it rests at an angle Reverse this procedure to install the top coverRemoval and replacement procedures Maintenance and Service Guideb. Optical drive see “Optical drive” on page Fingerprint reader boardf. Top cover see “Top cover” on page a. Hard drive see “Hard drive” on pagec. Keyboard see “Keyboard” on page Left speakera. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pageb. Optical drive see “Optical drive” on page Display assemblyg. Left speaker see “Left speaker” on page a. Hard drive see “Hard 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 c. Keyboard see “Keyboard” on page LED boarda. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pagec. Keyboard see “Keyboard” on page Bluetooth modulea. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pagec. Keyboard see “Keyboard” on page Audio boarda. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pagec. Keyboard see “Keyboard” on page USB boarda. Hard drive see “Hard drive” on page b. Optical drive see “Optical drive” on pageb. Optical drive see “Optical drive” on page Power connector and cablee. Display assembly see “Display assembly” on page a. Hard drive see “Hard drive” on pageSystem board j. Display assembly see “Display assembly” on pageRTC battery see “RTC battery” on page Heat sink see “Fan/heat sink assembly” on pageRemove the system board 2 Bluetooth module cable 3 Audio board cableRemoval and replacement procedures Maintenance and Service GuideReverse this procedure to install the system board a. Hard drive see “Hard drive” on page Fan/heat sink assemblyk. System board see “System board” on page j. Display assembly see “Display assembly” 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 f. Keyboard see “Keyboard” on page d. RTC battery see “RTC battery” on pageProcessor e. Optical drive see “Optical drive” on page2. Lift the processor 2 straight up and remove it i. Display assembly see “Display assembly” on pagej. Top cover see “Top cover” on page k. System board see “System board” on pageChanging the language of the Setup Utility Setup UtilityStarting the Setup Utility Using the Setup UtilitySetup Utility Navigating and selecting in the Setup UtilityRestoring default settings in the Setup Utility Displaying system informationSecurity menu Setup Utility menusExiting the Setup Utility Main menuDiagnostics menu System Configuration menuSetup Utility Computer specifications SpecificationsMaintenance and Service Guide Specifications 13.3-in display specificationsMaintenance and Service Guide Hard drive specificationsSpecifications Applicable disc Blu-ray ROM DVD±R/RW SuperMulti DL Drive specificationsSpecifications Access timeTransfer mode DVD±RW and CD-RW SuperMulti Double-Layer Drive specificationsSpecifications Access timeDMA System function System DMA specificationsSpecifications HardwareSize System memory map specificationsSpecifications Maintenance and Service GuideSystem function System interrupt specificationsSpecifications Hardware IRQMaintenance and Service Guide System I/O address specificationsSpecifications System function shipping configuration6-10 SpecificationsSystem function shipping configuration I/O address hexScrew listing Where usedPhillips PM2.5×6.0 captive screw Maintenance and Service Guide Phillips PM3.0×4.0 screwScrew listing Screw listing Phillips PM2.0×4.0 screwWhere used One screw that secures the right speaker to the computer Maintenance and Service Guide1 One screw that secures the LED board to the base enclosure Where used 5 screws that secure the top cover to the computerWhere used Maintenance and Service Guide1 One screw that secures the optical drive to the computer Phillips PM2.0×9.0 screwWhere used Maintenance and Service GuideMaintenance 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 GuideScrew listing Phillips PM2.5×9.0 screwWhere used 2 screws that secure the keyboard cover to the computer Maintenance and Service GuideWhere used Phillips PM2.0×2.5 broadhead screwScrew listing Phillips PM2.5×6.0 screwWhere used 2 screws that secure the display assembly to the computer Maintenance and Service Guide7-12 Phillips PM2.5×4.0 screwMaintenance and Service Guide Screw listing7-13 Where used 2 screws that secure the system board to the computerMaintenance and Service Guide Screw listing7-14 Phillips PM2.0×7.0 captive screwMaintenance and Service Guide Screw listingCreating recovery discs Backup and recoveryOverview Backing up your information When to back upBackup suggestions 3. Click Recovery disc creation, and then click NextRestore to a previous date and time Using system restore pointsWhen to create restore points Create a system restore pointSelect Start All Programs Recovery Manager Recovery Manager Performing a recoveryRecovering from the recovery discs Recovering from the dedicated recovery partition select models onlyMaintenance and Service Guide Connector pin assignmentsAudio-in microphone Audio-out headphoneConnector pin assignments External monitorMaintenance and Service Guide HDMIConnector pin assignments SignalSignal RJ-45 networkUniversal Serial Bus Connector pin assignmentsRequirements for all countries and regions Power cord set requirementsAccredited agency Requirements for specific countries and regionsPower cord set requirements Country/regionRecycling BatteryDisplay Recycling Perform the following steps to disassemble the display assemblyMaintenance and Service Guide 3. Remove the display bezel6. Remove the display panel assembly 2 from the display enclosure 10. Remove the display panel frame 2 from the display panel 18. Remove the backlight from the backlight frame Maintenance and Service Guide16. Turn the display panel upside down 17. Remove the backlight frame from the display panel23. Remove the LCD panel 24. Recycle the LCD panel and backlight Maintenance and Service Guide19. Disconnect the display cable 1 from the LCD panel 21. Release the LCD panel 3 from the display rear panelIndex Page Page Page Index-5