Dell 220S, 420 manual Removing the Computer Cover, Replacing the Computer Cover

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Computer Cover

Dell™ Vostro™ 420/220/220s Service Manual

Removing the Computer Cover

Replacing the Computer Cover

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

CAUTION: Do not operate your equipment with any cover(s) (including computer covers, bezels, filler brackets, front-panel inserts, and so on) removed.

NOTICE: Ensure that sufficient space exists to support the system with the cover removed—at least 1 ft (30 cm) of desktop space.

NOTICE: The procedure for removing and replacing the computer cover is identical for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustration provided is for example only and may not represent your particular computer precisely.

Removing the Computer Cover

1.Follow the procedures in Before Working on Your Computer.

2.Lay the computer on its side, with the cover facing up.

3.Remove the two thumbscrews securing the cover.

1 handle

2 computer cover

3front of computer, bezel

4.Release the computer cover by grasping the handle while sliding the cover away from the front of the computer and lifting it up.

Replacing the Computer Cover

1.Ensure that all cables are connected and folded out of the way.

2.Ensure that no tools or extra parts are left inside the computer.

3.Ensure that the bezel is attached to the front of the computer (see Replacing the Bezel).

NOTE: The bezel must be installed before the cover is installed.

4. Holding the cover at a slight angle, slide it toward the front of the computer until the metal clips inside the cover grip and attach securely to the chassis

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Models DCSCLF, DCSCMF, Dcscsf Removing the Bezel BezelReplacing the Bezel Back to Contents Flashing the Bios From the Hard Drive Flashing the Bios From a CDClick Save this program to disk, and then click OK Back to Contents Removing the Chassis Support Bracket Chassis Support BracketReplacing the Chassis Support Bracket PCI and PCI Express Cards Installing a PCI or PCI Express CardRemoving a PCI or PCI Express Card Follow the procedure in After Working on Your Computer Network Type Installed Removed Card SoundRemoving the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Visit support.dell.com Contacting DellRemoving the Computer Cover Computer CoverReplacing the Computer Cover Page Removing the Processor ProcessorReplacing the Processor Page Hard Drives DrivesRemoving a Hard Drive Vostro Replacing or Adding a Hard Drive Vostro Removing a Media Card Reader Media Card ReaderPage Replacing or Adding a Media Card Reader Follow the procedure in After Working on Your Computer Removing an Optical Drive Optical DriveReplacing or Adding an Optical Drive Vostro 420 and Vostro Removing a Drive Bay Break-Away Metal PlateVostro 220s Removing the Chassis Fan FanReplacing the Chassis Fan Page Removing the Processor Heat Sink/Fan Assembly Processor Heat Sink/Fan AssemblyReplacing the Processor Heat Sink/Fan Assembly Removing the I/O Panel PanelReplacing the I/O Panel Removing Memory Modules Memory ModulesReplacing or Adding a Memory Module Follow the procedure in After Working on Your Computer Removing the Power Supply Power SupplyReplacing the Power Supply DC Power Supply Connectors DC Power Supply Connector Pin Assignments Pin Number Signal Name 18-AWG Wire Pin Number Signal name Wire Color Wire SizePin Number Signal Name 22-AWG Wire DC Power Connector P10Remove the System Board System BoardReplacing a System Board Page Entering the System Setup Program System Setup ProgramSystem Setup Program Screens OverviewBoot Sequence System Setup Program OptionsOption Settings Clearing Forgotten PasswordsChanging Boot Sequence for the Current Boot Changing Boot Sequence for Future BootsFlashing the Bios From the Hard Drive Clearing Cmos SettingsBack to Contents Back to Contents Power Lights TroubleshootingTools Beep CodesSystem Messages Fix a Problem section, click Hardware TroubleshooterHardware Troubleshooter Click Start→ Help and SupportWhen to Use the Dell Diagnostics Dell DiagnosticsStarting the Dell Diagnostics From Your Hard Drive Option Function Dell Diagnostics Main MenuBattery Problems Solving ProblemsTab Function Adjust the Windows volume control Drive ProblemsEnsure that Microsoft Windows Recognizes the drive Run Check DiskIeee 1394 Device Problems Error MessagesClick Uninstall Operating system not found Contact Dell see Contacting DellLockups and Software Problems Keyboard ProblemsCheck the keyboard cable End the programIf you experience other memory problems Memory ProblemsRun the Program Compatibility Wizard If you receive an insufficient memory messageNetwork Problems Mouse ProblemsPower Problems Verify that the printer is recognized by Windows Printer ProblemsClick Start → Control Panel→ Hardware and Sound→ Printer Click Properties and click PortsSound and Speaker Problems Scanner ProblemsVerify that the scanner is recognized by Microsoft Windows Check the monitor power light Video and Monitor ProblemsCheck the diagnostic lights Check the monitor cable connectionAccessing the Dell Support Utility Dell Technical Update ServiceDell Support Utility Click Start→ Control Panel→ Appearance and ThemesDouble-Clicking the Dell Support Icon Clicking the Dell Support IconRecommended Tools Working on Your ComputerBefore Working on Your Computer Turning Off Your ComputerInside View of Your Computer DIMM4 System Board ComponentsSATA2 SATA1 After Working on Your Computer
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