HP CQ40-409TU, CQ40-416TU, CQ40-417TU, CQ40-408AU, CQ40-404AX, CQ40-421AX manual

Page 83

●(4) USB board cable (see USB board on page 70)

3.Disconnect the power connector cable.

4.Remove the two black Phillips PM2.5×5.0 screws that secure the system board to the computer.

5.Lift the right side of the system board (1) until it rests at an angle (2).

Component replacement procedures 75

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Contents Compaq Presario CQ40 Notebook PC First Edition April Document Part Number Safety warning notice Iv Safety warning notice Table of contents Setup Utility Screw listing Recycling Product description Optical drives WirelessCategory Description Hard drivesCategory Description External media card Power requirementsOperating system Preinstalled Serviceability End-user replaceable partsComponent Description External component identificationTop components TouchPadTop components LightsExternal component identification Buttons and speakers Panel System and Maintenance Power OptionsFn key KeysDisplay Wireless antennas Front components Left-side components Right-side components Rear componentBottom components Illustrated part numbers catalog Service tagIllustrated part numbers catalog Computer major componentsTop cover Power button board not illustratedSpeaker assembly KeyboardBase enclosure Description Spare part numberBattery, 6-cell Li-Ion 2.2-Ah, 47-Wh Bluetooth moduleBluetooth module cable not illustrated 487283-001 Display assembly componentsItem Description Spare part number Plastics Kit 486862-001 Plastics KitItem Description Spare part number Mass storage devicesDescription Spare part number PFC AC adapter Internal display switch modulePower cord Miscellaneous partsSpare part Description Number Sequential part number listingSequential part number listing Illustrated part numbers catalog Tools required Removal and replacement proceduresPreliminary replacement requirements Service considerationsCables and connectors Event 10% 40% 55% Grounding guidelinesTypical electrostatic voltage levels Packaging and transporting guidelines Material Use Voltage protection level Equipment guidelinesService tag Component replacement proceduresComputer feet Battery Optical drive Hard drive Page Wlan module Page RTC battery Page Memory module Page For use Spare part number KeyboardPage Keyboard cover Page Power button board Description Spare part number Speaker assembly 486865-001 Speaker assemblyPage Display assembly Page Page Page Page Page Description Spare part number Camera module 487287-001 Camera moduleMicrophone module Top cover Page Page TouchPad button board Page Description Spare part number Bluetooth module 483113-001 Bluetooth modulePage Modem module select models only Page Audio board Page USB board Page Power connector cable Page Modem cable see Modem module select models only on System boardPage Removal and replacement procedures Heat sink Page Processor Page Description Spare part number Fan 486844-001 FanPage Starting the Setup Utility Setup UtilityNavigating and selecting in the Setup Utility Changing the language of the Setup UtilityDisplaying system information Restoring default settings in the Setup UtilityExiting the Setup Utility Select To do this Setup Utility menusPrimary Hard Disk Self Test SelectComputer specifications Specifications14.1-in, Wxga BrightView display specifications Hard drive specifications Write Access timeTransfer mode Applicable disc ReadCD-DA, CD+EG, CD-MIDI, CDTEXT, CD-ROM, CD-ROM XA Applicable disc Read WriteHardware DMA System function System DMA specificationsHardware IRQ System function System interrupt specificationsAddress hex System function shipping configuration System I/O address specificationsSystem I/O address specifications Size Memory address System function System memory map specificationsScrew listing Color Quantity Length Thread Head diameter Black Phillips PM2.0×2.0 broadhead screwPhillips PM2.0×3.0 screw black Color Quantity Length Thread Head diameter Silver Phillips PM2.0×3.0 screw silverPhillips PM2.0×4.0 screw Page Color Quantity Length Thread Head diameter Black 10.0 mm Phillips PM2.0×10.0 captive screwPhillips PM2.5×3.0 screw Page Page Phillips PM2.5×4.0 screw Phillips PM2.5×5.0 screw Page Page Phillips PM2.5×5.0 captive screw Phillips PM2.5×6.0 screw Page Phillips PM2.5×7.0 captive screw Phillips PM2.5×10.0 screw Color Quantity Length Thread Head diameter Black 18.0 mm Phillips PM2.5×18.0 screwPhillips PM3.0×3.0 screw Recovering system information Backup and recoveryBacking up your information Creating recovery discsBackup suggestions Create a system restore point Recovering from the recovery discs Performing a recoveryAudio-out headphone Connector pin assignmentsPin Signal Audio-in microphoneExternal monitor Hdmi RJ-45 network RJ-11 modem select models onlyUniversal Serial Bus Requirements for all countries or regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries or regionsDisplay BatteryRecycling Page Page Page Page Page Index Symbols/NumericsPage Hdmi Page
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