Dell 4691901 owner manual Turning Off Your Computer, After Working Inside Your Computer

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CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

Turning Off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

1.Shut down the operating system:

In Windows 7:

Click Start, then click Shut Down.

In Windows Vista:

Click Start, then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.

In Windows XP:

Click Start Turn Off Computer Turn Off . The computer turns off after the operating system shutdown process is complete.

2.Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.

After Working Inside Your Computer

After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.

1.Replace the cover.

CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.

2.Connect any telephone or network cables to your computer.

3.Connect your computer and all attached devices to their electrical outlets.

4.Turn on your computer.

5.If required, verify that the computer works correctly by running the Dell Diagnostics.

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Contents Regulatory Model D07D Regulatory Type D07D001 Dell Inc Contents System Setup TroubleshootingSpecifications Contacting DellPage Working on Your Computer Before Working Inside Your ComputerTurning Off Your Computer After Working Inside Your ComputerRelated Links Installing The CoverRemoving the Cover Removing the Expansion Card Installing The Front BezelRemoving the Front Bezel Page Installing The Expansion Card Removing the Optical DriveInstalling The Optical Drive Removing the Hard DrivePage Installing The Hard Drive Removing the MemoryInstalling The Memory Removing the Chassis Intrusion SwitchInstalling The Chassis Intrusion Switch Removing The SpeakerInstalling The Speaker Removing The Heat Sink and Processor Installing The Heat Sink and Processor Removing The Power-Switch Cable Removing The Coin-Cell BatteryInstalling The Coin-Cell Battery Installing The Power-Switch Cable Removing The Front Thermal Sensor Installing The Front Thermal Sensor Removing The System FanInstalling The System Fan Installing The System Fan Removing The Input/Output PanelInstalling The Input/Output Panel Removing The Power SupplyDisconnect the 4-pin power cable from the system board Remove the Input/Output panelPage Installing The Power Supply Removing the System Board Remove the expansion cardsRemove the system board from the chassis Installing the System BoardRemoving The PSU Thermal Sensor Installing The PSU Thermal Sensor System Setup Boot MenuBoot Menu Enhancements CtrlAltF8 One-time boot and diagnostics utility menu F12Beep Codes and Text Error Messages Timing Key SequencesNavigation Action KeystrokeSystem Setup Options Security Password Bypass Password prompts during a system restartThey are set. This option is disabled by default Password ChangesPower Management PerformanceEnable F12 Boot menu enabled by default MaintenancePost Behavior Virtualization SupportSystem Logs Power Button Diagnostic LEDsDiagnostic Light Patterns Troubleshooting Steps Re-seat the 2x2 power connector from the power supply unit Power Button Problem DescriptionIf the problem persists, the system board is faulty Possible system board failure has occurredReinstalled all modules without error Problem Description Troubleshooting Steps Beep Codes Code Cause Microprocessor register failureCode Cause Code Cause DMA initialization failureCode Through Cause Error Messages Address mark not foundCode Cause No time tick Shutdown failure Gate A20 failure Code Cause Time-of-day clock stoppedAlert! Security override Jumper is installed Bad command or file nameBad error-correction code ECC on disk read Data errorDiskette subsystem reset failed Hard-disk drive configuration errorDiskette drive 0 seek failure Diskette read failureInvalid configuration information-please run Setup program Invalid Memory configuration, please populate DIMM1Memory allocation error Keyboard failureNo boot device available No boot sector on hard-disk driveNo timer tick interrupt Non-system disk or disk errorRead fault Reset failedSeek error Time-of-day not set-please run the System Setup programUnexpected interrupt in protected mode Write faultWrite fault on selected drive \ is not accessible. The device is not readySpecification System InformationProcessor MemoryAudio NetworkExpansion Bus CardsExternal Connectors System Board ConnectorsMini-Tower Two Desktop One Small Form Factor Audio Back Panel Mini-Tower/DesktopControls and Lights Physical Height Width Depth Weight EnvironmentalPage Contacting Dell Visit support.dell.com