Dell 420, 220S manual Keyboard Problems, Lockups and Software Problems, Check the keyboard cable

Page 59

1.Click Start and click Control Panel.

2.Under Pick a Category, click Performance and MaintenanceSystemSystem Properties HardwareDevice Manager.

Windows Vista:

1.Click Start Control PanelHardware and Sound.

2.Click Device Manager.

If your IEEE 1394 device is listed, Windows recognizes the device.

If you have problems with a Dell IEEE 1394 device — Contact Dell (see Contacting Dell).

If you have problems with an IEEE 1394 device not provided by Dell — Contact the IEEE 1394 device manufacturer.

Keyboard Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Check the keyboard cable —

Ensure that the keyboard cable is firmly connected to the computer.

Shut down the computer (see Before Working on Your Computer), reconnect the keyboard cable as shown on the setup diagram for your computer, and then restart the computer.

Ensure that the cable is not damaged or frayed and check cable connectors for bent or broken pins. Straighten any bent pins.

Remove any keyboard extension cables and connect the keyboard directly to the computer.

Test the keyboard — Connect a properly working keyboard to the computer, and then try using the keyboard.

Run the Hardware Troubleshooter — See Hardware Troubleshooter.

Lockups and Software Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

The computer does not start up

Check the diagnostic lights — See Power Lights.

Ensure that the power cable is firmly connected to the computer and to the electrical outlet

The computer stops responding

NOTICE: You may lose data if you are unable to perform an operating system shutdown.

Turn the computer off — If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds (until the computer turns off), and then restart your computer.

A program stops responding

End the program —

1.Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager.

2.Click the Applications tab.

3.Click to select the program that is no longer responding.

4.Click End Task.

Image 59 Contents
Models DCSCLF, DCSCMF, Dcscsf Replacing the Bezel BezelRemoving the Bezel Back to Contents Click Save this program to disk, and then click OK Flashing the Bios From a CDFlashing the Bios From the Hard Drive Back to Contents Removing the Chassis Support Bracket Chassis Support BracketReplacing the Chassis Support Bracket Removing a PCI or PCI Express Card Installing a PCI or PCI Express CardPCI and PCI Express Cards Follow the procedure in After Working on Your Computer Network Type Installed Removed Card SoundReplacing the Coin-Cell Battery Coin-Cell BatteryRemoving the Coin-Cell Battery Visit support.dell.com Contacting DellReplacing the Computer Cover Computer CoverRemoving the Computer Cover Page Replacing the Processor ProcessorRemoving the Processor Page Removing a Hard Drive DrivesHard Drives 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 Replacing or Adding a Memory Module Memory ModulesRemoving Memory Modules Follow the procedure in After Working on Your Computer Replacing the Power Supply Power SupplyRemoving 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 Overview System Setup ProgramEntering the System Setup Program System Setup Program ScreensBoot Sequence System Setup Program OptionsChanging Boot Sequence for Future Boots Clearing Forgotten PasswordsOption Settings Changing Boot Sequence for the Current BootFlashing the Bios From the Hard Drive Clearing Cmos SettingsBack to Contents Back to Contents Beep Codes TroubleshootingPower Lights ToolsClick Start→ Help and Support Fix a Problem section, click Hardware TroubleshooterSystem Messages Hardware TroubleshooterStarting the Dell Diagnostics From Your Hard Drive Dell DiagnosticsWhen to Use the Dell Diagnostics Option Function Dell Diagnostics Main MenuTab Function Solving ProblemsBattery Problems Run Check Disk Drive ProblemsAdjust the Windows volume control Ensure that Microsoft Windows Recognizes the driveOperating system not found Contact Dell see Contacting Dell Error MessagesIeee 1394 Device Problems Click UninstallEnd the program Keyboard ProblemsLockups and Software Problems Check the keyboard cableIf you receive an insufficient memory message Memory ProblemsIf you experience other memory problems Run the Program Compatibility WizardPower Problems Mouse ProblemsNetwork Problems Click Properties and click Ports Printer ProblemsVerify that the printer is recognized by Windows Click Start → Control Panel→ Hardware and Sound→ PrinterVerify that the scanner is recognized by Microsoft Windows Scanner ProblemsSound and Speaker Problems Check the monitor cable connection Video and Monitor ProblemsCheck the monitor power light Check the diagnostic lightsClick Start→ Control Panel→ Appearance and Themes Dell Technical Update ServiceAccessing the Dell Support Utility Dell Support UtilityDouble-Clicking the Dell Support Icon Clicking the Dell Support IconTurning Off Your Computer Working on Your ComputerRecommended Tools Before Working on Your ComputerInside View of Your Computer DIMM4 System Board ComponentsSATA2 SATA1 After Working on Your Computer
Related manuals
Manual 76 pages 13.75 Kb Manual 10 pages 52.91 Kb Manual 76 pages 16.03 Kb Manual 52 pages 47.88 Kb Manual 49 pages 39.59 Kb