HP 550 manual

Page 59

2.Remove the two slotted Torx ST8M2.5×7.0 screws that secure the keyboard to the computer.

3.Turn the computer display-side up, with the front toward you.

4.Open the computer as far as possible.

5.Lift the rear edge of the keyboard (1) and slide it back until it rests on the display assembly (2).

Component replacement procedures 51

Image 59

Contents HP 550 Notebook PC Page Safety warning notice Iv Safety warning notice Table of contents Computer Setup Screw listing Recycling Product description Optical drives Hard drivesModem Wireless Integrated Wlan options by way of wireless moduleDiskette drive AudioKeyboard/pointing Power requirementsOperating system Preinstalled PortsServiceability End-user replaceable parts Restore mediaComponent Function External component identificationTop components TouchPadTop components Buttons, lights, and speakerFn key KeysFront components Right-side components Left-side components Bottom components Wireless antennae select models only Serial number location Illustrated parts catalogComputer major components Computer major componentsKeyboards Display assembly internal componentsDescription Spare part number Fan Optical drive connector boardIntel Celeron M processors RTC batteryBattery Intel Core2 Duo processorsBroadcom 802.11b/g Wlan modules Intel 802.11a/b/g Wlan modulesIntel 802.11b/g Wlan module for use in Thailand Illustrated parts catalog Item Description Spare part number Plastics Kit 456614-001 Plastics KitItem Description Spare part number Cable Kit 456594-001 Cable KitMass storage devices Miscellaneous parts Spare part Description Number Sequential part number listingScrew Kit Ukraine, the United Kingdom, and Uzbekistan Zaire, Zambia, and Zimbabwe Illustrated parts catalog Sequential part number listing Pata 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 guidelinesUnknown user password Serial number Component replacement proceduresComputer feet Battery Hard drive Page Wlan module Description Spare part number Page Memory module Optical drive Page Switch cover Page For use Spare part number KeyboardPage Page Description Spare part number Speaker 456593-001 SpeakerDisplay lid switch module Display assembly Page Page Page Page Description Spare part number Top cover 495399-001 Top coverPage Page TouchPad board and TouchPad button board Page Bluetooth module System board Page Page Page Description Spare part number Fan 431312-001 FanPage Heat sink Page Processor Page Modem module Page Description Spare part number RTC battery 449137-001 RTC batteryExpressCard assembly Page Starting Computer Setup Computer SetupRestoring factory settings in Computer Setup Using Computer SetupNavigating and selecting in Computer Setup Select To do this Computer Setup menusFile menu Security menu Diagnostics menuDisable System Configuration menuSelect Disconnected Metric SpecificationsComputer specifications Inch, Wxga display specifications 250-GB 160-GB 120-GB Hard drive specificationsWrite Access timeTransfer mode Applicable disc ReadApplicable disc Read Write DVD/CD-RW Combo Drive specificationsHardware DMA System function System DMA specificationsHardware IRQ System function System interrupt specificationsAddress hex System function shipping configuration System I/O address specificationsVGA Size Memory address System function System memory map specificationsScrew listing Color Quantity Length Thread Head diameter Black Phillips PM2.0×5.0 captive screwColor Quantity Length Thread Head diameter Silver 12.0 mm Phillips PM2.5×12.0 captive screwColor Quantity Length Thread Head diameter Silver Phillips PM3.0×4.0 screwPhillips PM2.5×4.0 screw Slotted Torx ST8M2.5×7.0 screw Page Phillips PM2.0×4.0 screw Page Torx T8M2.5×9.0 screw Torx T8M2.5×3.0 broadhead screw Torx T8M2.5×4.0 screw Page Phillips PM2.0×2.0 broadhead screw Color Quantity Length Thread Heat width Black Torx T8M2.5×6.0 screwPhillips PM2.0×6.0 screw Torx T8M2.0×4.0 screw Phillips PM2.5×7.0 screw Phillips PM2.5×7.0 captive screw Color Quantity Length Thread Head diameter Silver 10.0 mm Phillips PM2.5×10.0 captive screwPhillips PM2.0×8.0 screw Backup and recovery Backing up your information Backup and recovery in Windows VistaOverview Using the Windows recovery tools Performing a recoveryUsing f11 Select Repair your computer Backup and Recovery in Windows XP Recovering your information Audio-in microphone Connector pin assignmentsPin Signal Audio-out headphoneExternal monitor RJ-11 modem Universal Serial Bus RJ-45 networkRequirements for all countries and regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries and regionsDisplay BatteryRecycling Page Page Page Page Page Index Page Page DVD

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