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Compaq CQ42 manual Plastics Kit, Illustrated parts catalog

Models: CQ42

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Plastics Kit

Plastics Kit

Item Description	Spare part number

Plastics kit	600190-001

(1)Hard drive bay cover (includes captive screws)

(2)Wireless/memory module mini-card compartment cover (includes captive screw)

28 Chapter 3 Illustrated parts catalog

Image 38

Compaq CQ42 manual Plastics Kit, Illustrated parts catalog

Contents

Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC SUMMARYMaintenance and Service Guide Copyright 2010 Hewlett-Packard Development Company, L.P Safety warning notice iv Safety warning notice Publication date MSG revision historyRevision Descriptionvi MSG revision history Table of contents Electrostatic discharge damage 8 Connector pin assignments 6 Specifications7 Backup and recovery 9 Power cord set requirementsDisplay BatteryRequirements for specific countries or regions 10 Recycling1 Product description 2 Chapter 1 Product description Category 4 Chapter 1 Product description Category 6 Chapter 1 Product description Category 1. Select Start My Computer 2 External component identificationIdentifying the hardware 3. Select Hardware tab Device ManagerTop components TouchPadLights 10 Chapter 2 External component identificationButton and speakers Keys 12 Chapter 2 External component identificationRecords sound DisplayInternal microphone Integrated webcam select models onlyRight-side components 14 Chapter 2 External component identificationLeft-side components Bottom components 16 Chapter 2 External component identificationWireless antennas Additional hardware components 3 Illustrated parts catalog Serial number locationSpare part number Computer major components20 Chapter 3 Illustrated parts catalog For use with integrated microphone and webcam Presario, biscotti 22 Chapter 3 Illustrated parts catalog Computer major components 24 Chapter 3 Illustrated parts catalog Bluetooth moduleBattery DescriptionComputer major components on pageDisplay assembly components 26 Chapter 3 Illustrated parts catalog4 Webcam cable Plastics Kit 28 Chapter 3 Illustrated parts catalogMass storage devices Mass storage devicesMiscellaneous parts 30 Chapter 3 Illustrated parts catalogSequential part number listing Sequential part number listingDescription 32 Chapter 3 Illustrated parts catalogSpare part numberDescription Sequential part number listingSpare part numberDescription 34 Chapter 3 Illustrated parts catalogSpare part numberDescription Sequential part number listingSpare part numberService considerations 4 Removal and replacement proceduresPreliminary replacement requirements Tools requiredCables and connectors Drive handlingGrounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Workstation guidelinesEquipment guidelines Component replacement procedures Serial numberComputer feet 42 Chapter 4 Removal and replacement proceduresBattery Hard drive Component replacement procedures 6. Disconnect the hard drive cable from the system board Reverse this procedure to install the hard drive46 Chapter 4 Removal and replacement procedures 7. Remove the hard driveOptical drive 7. Remove the optical drive bracket 48 Chapter 4 Removal and replacement procedures4. Remove the optical drive Component replacement procedures WLAN module4. Remove the battery see Battery on page Before removing the WLAN module, follow these steps4. Disconnect the two WLAN antenna cables 1 from the WLAN module Reverse this procedure to install a WLAN module50 Chapter 4 Removal and replacement procedures Memory module 5. Remove the module 2 by pulling it away from the slot at an angle Reverse this procedure to install a memory module52 Chapter 4 Removal and replacement procedures Keyboard 8. Remove the keyboard Reverse this procedure to install the keyboard 54 Chapter 4 Removal and replacement proceduresb. Optical drive see Optical drive on page a. Battery see Battery on pageTop cover c. Keyboard see Keyboard on page5. Open the computer as far as possible 56 Chapter 4 Removal and replacement procedures4. Turn the computer display-side up with the front toward you 8. Disconnect the speaker cable 3 from the system boardReverse this procedure to install the switch cover Component replacement proceduresb. Keyboard see Keyboard on page c. Top cover see Top cover on page Speaker assemblya. Optical drive see Optical drive on page c. Keyboard see Keyboard on page d. Top cover see Top cover on page Power button boarda. Hard drive see Hard drive on page b. Optical drive see Optical drive on pageb. Optical drive see Optical drive on page TouchPad button boarda. Hard drive see Hard drive on page c. Keyboard see Keyboard on page d. Top cover see Top cover on pageb. Optical drive see Optical drive on page Modem modulea. Hard drive see Hard drive on page c. Keyboard see Keyboard on page d. Top cover see Top cover on page62 Chapter 4 Removal and replacement procedures 5. Remove the modem moduleb. Optical drive see Optical drive on page Bluetooth modulea. Hard drive see Hard drive on page c. Keyboard see Keyboard on page d. Top cover see Top cover on pageb. Optical drive see Optical drive on page USB boarda. Hard drive see Hard drive on page c. Keyboard see Keyboard on page d. Top cover see Top cover on pageb. Optical drive see Optical drive on page Power connector cablea. Hard drive see Hard drive on page c. Keyboard see Keyboard on page d. Top cover see Top cover on pagec. Top cover see Top cover on page Display assemblya. Keyboard see Keyboard on page b. Optical drive see Optical drive on page6. Disconnect the webcam cable 2 from the system board 8. Remove the display assemblyComponent replacement procedures 2 Two Phillips PM2.5×4.0 screws 68 Chapter 4 Removal and replacement procedures1 Two Mylar screw covers on the display bezel bottom edge a. Turn the display panel upside down in front of you 2. The display panel is available using the spare part numberComponent replacement procedures b. Peel back the tape that secures the cable to the display18. Detach the wireless antenna 2 from the display back cover 70 Chapter 4 Removal and replacement proceduresComponent replacement procedures Reverse this procedure to reassemble and install the display assembly 72 Chapter 4 Removal and replacement proceduresMemory modules see Memory module on page RTC battery see RTC battery on pageSystem board WLAN module see WLAN module on pagePower connector cable see Power connector cable on page f. Speaker assembly see Speaker assembly on pageg. Display assembly see Display assembly on page Bluetooth cable see Bluetooth module on pageFan/heat sink assembly see Fan/heat sink assembly on page Processor see Processor on pagef. Speaker assembly see Speaker assembly on page Optical drive SATA cable and connectorh. System board see System board on page g. Display assembly see Display assembly on pageComponent replacement procedures g. Display assembly see Display assembly on page RTC batteryf. Speaker assembly see Speaker assembly on page a. Hard drive see Hard drive on page b. WLAN see WLAN module on pageComponent replacement procedures 3. Remove the RTC batteryReverse this procedure to install the RTC battery f. Display assembly see Display assembly on page Fan/heat sink assemblye. Speaker assembly see Speaker assembly on page g. System board see System board on page4. Remove the fan/heat sink assembly Component replacement proceduresReverse this procedure to install the fan/heat sink assembly 82 Chapter 4 Removal and replacement proceduresComponent replacement procedures Processor4. Remove the battery see Battery on page NOTE All processor spare part kits include thermal materialf. Display assembly see Display assembly on page d. Top cover see Top cover on pagee. Speaker assembly see Speaker assembly on page g. System board see System board on pageStarting Setup Utility 5 Setup UtilityComputer Setup in Windows Using Setup UtilityNavigating and selecting in Setup Utility Displaying system informationRestoring default settings in Setup Utility Main menu Setup Utility menusExiting Setup Utility Security menuand f12 functions of Setup Utility in intervals of 5 seconds each System Configuration menuDiagnostics menu Using Computer Setup Computer Setup in LinuxStarting Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Computer Setup menus File menuSecurity menu Diagnostics menuComputer Setup in Linux System Configuration menu 94 Chapter 5 Setup UtilityBuilt-in device options 6 Specifications Computer specifications35.6-cm 14.0-in display specifications 35.6-cm 14.0-in display specificationsHard drive specifications 98 Chapter 6 SpecificationsDVD±RW SuperMulti Double-Layer Drive with LightScribe specifications DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications100 Chapter 6 Specifications Resources by type Resources by connection System resource specifications1. Select Start Computer 4. Click Device Manager7 Backup and recovery WindowsCreating recovery discs Backing up your information Using Windows Backup and Restore 1. Select Start All Programs Maintenance Backup and RestoreWhen to create restore points Performing a recoveryUsing system restore points Create a system restore pointSelect Start All Programs Recovery Manager Recovery Manager Recovering from the recovery discsRecovering from the dedicated recovery partition select models only 2. Click System Recovery in the Recovery Manager windowLinux backup and recovery Audio-in microphone 8 Connector pin assignmentsAudio-out headphone External monitor 110 Chapter 8 Connector pin assignmentsRJ-11 modem RJ-11 modemRJ-45 network HDMI 112 Chapter 8 Connector pin assignmentsUniversal Serial Bus Universal Serial Bus9 Power cord set requirements Requirements for all countries or regionsAccredited agency Requirements for specific countries or regionsCountry/region Applicable note numberDisplay Battery10 Recycling Display Perform the following steps to disassemble the display assembly3. Remove the display bezel 118 Chapter 10 Recycling 6. Remove the display panel assembly 2 from the display enclosure7. Turn the display panel assembly upside-down 13. Remove the backlight cover 10. Remove the display panel frame 2 from the display panel12. Lift the top edge of the backlight cover 2 and swing it outward 14. Turn the display panel right-side up120 Chapter 10 Recycling 16. Turn the display panel upside-down17. Remove the backlight frame from the display panel 21. Release the LCD panel 3 from the display rear panel 18. Remove the backlight from the backlight frame19. Disconnect the display panel cable 1 from the LCD panel 23. Remove the LCD panel 24. Recycle the LCD panel and backlightSymbols/Numerics IndexI inverter J jacksPage