HP 550 Removal and replacement procedures, Preliminary replacement requirements, Tools required

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4 Removal and replacement procedures

Preliminary replacement requirements

Tools required

You will need the following tools to complete the removal and replacement procedures:

Flat-bladed screwdriver

Magnetic screwdriver

Phillips P0 and P1 screwdrivers

Torx T8 screwdriver

Service considerations

The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.

NOTE: As you remove each subassembly from the computer, place the subassembly (and all accompanying screws) away from the work area to prevent damage.

Plastic parts

Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions.

Preliminary replacement requirements 31

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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 componentsDisplay assembly internal components Description Spare part numberKeyboards Fan Optical drive connector boardIntel Celeron M processors RTC batteryBattery Intel Core2 Duo processorsIntel 802.11a/b/g Wlan modules Intel 802.11b/g Wlan module for use in ThailandBroadcom 802.11b/g Wlan modules 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 Sequential part number listing Screw KitSpare part Description Number 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 Grounding guidelines Typical electrostatic voltage levelsEvent 10% 40% 55% 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 SetupUsing Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Computer Setup menus File menuSelect To do this Security menu Diagnostics menuDisable System Configuration menuSelect Disconnected Specifications Computer specificationsMetric 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 Backup and recovery in Windows Vista OverviewBacking up your information 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 regionsBattery RecyclingDisplay Page Page Page Page Page Index Page Page DVD
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