Dell 4691901 owner manual Problem Description Troubleshooting Steps

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Troubleshooting Steps

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Problem Description Troubleshooting Steps

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Re-install all USB devices and check all cable connections.

No memory modules are detected.

•If two or more memory modules are installed, remove the modules, then reinstall one module and restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error.

•If available, install working memory of the same type into your computer.

Problem Description Memory modules are detected, but a memory configuration or compatibility error has occurred.

Troubleshooting Steps	• Ensure that no special requirements for memory module/connector placement exist.

	• Ensure that the memory you are using is supported by your computer.
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Problem Description Troubleshooting Steps

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A possible expansion card failure has occurred.

•Determine if a conflict exists by removing an expansion card (not a graphics card) and restarting the computer.

•If the problem persists, reinstall the card you removed, then remove a different card and restart the computer.

•Repeat this process for each expansion card installed. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts.

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Contents Regulatory Model D07D Regulatory Type D07D001 Dell Inc Contents Troubleshooting System SetupContacting Dell SpecificationsPage Before Working Inside Your Computer Working on Your ComputerAfter Working Inside Your Computer Turning Off Your ComputerInstalling The Cover Removing the CoverRelated Links Installing The Front Bezel Removing the Front BezelRemoving the Expansion Card Page Removing the Optical Drive Installing The Expansion CardRemoving the Hard Drive Installing The Optical DrivePage Removing the Memory Installing The Hard DriveRemoving the Chassis Intrusion Switch Installing The MemoryRemoving The Speaker Installing The Chassis Intrusion SwitchInstalling The Speaker Removing The Heat Sink and Processor Installing The Heat Sink and Processor Removing The Coin-Cell Battery Installing The Coin-Cell BatteryRemoving The Power-Switch Cable Installing The Power-Switch Cable Removing The Front Thermal Sensor Removing The System Fan Installing The Front Thermal SensorInstalling The System Fan Removing The Input/Output Panel Installing The System FanRemoving The Power Supply Installing The Input/Output PanelDisconnect the 4-pin power cable from the system board Remove the Input/Output panelPage Installing The Power Supply Remove the expansion cards Removing the System BoardInstalling the System Board Removing The PSU Thermal SensorRemove the system board from the chassis Installing The PSU Thermal Sensor Boot Menu System SetupBoot Menu Enhancements CtrlAltF8 One-time boot and diagnostics utility menu F12Timing Key Sequences Beep Codes and Text Error MessagesNavigation Action KeystrokeSystem Setup Options Security Password prompts during a system restart Password BypassThey are set. This option is disabled by default Password ChangesPerformance Power ManagementMaintenance Enable F12 Boot menu enabled by defaultPost Behavior Virtualization SupportSystem Logs Diagnostic LEDs Diagnostic Light PatternsPower Button Troubleshooting Steps Power Button Problem Description Re-seat the 2x2 power connector from the power supply unitIf the problem persists, the system board is faulty Possible system board failure has occurredReinstalled all modules without error Problem Description Troubleshooting Steps Code Cause Microprocessor register failure Beep CodesCode Cause DMA initialization failure Code Through CauseCode Cause Address mark not found Error MessagesCode Cause No time tick Shutdown failure Gate A20 failure Code Cause Time-of-day clock stoppedBad command or file name Alert! Security override Jumper is installedBad error-correction code ECC on disk read Data errorHard-disk drive configuration error Diskette subsystem reset failedDiskette drive 0 seek failure Diskette read failureInvalid Memory configuration, please populate DIMM1 Invalid configuration information-please run Setup programMemory allocation error Keyboard failureNo boot sector on hard-disk drive No boot device availableNo timer tick interrupt Non-system disk or disk errorReset failed Read faultSeek error Time-of-day not set-please run the System Setup programWrite fault Unexpected interrupt in protected modeWrite fault on selected drive \ is not accessible. The device is not readySystem Information SpecificationProcessor MemoryNetwork AudioExpansion Bus CardsSystem Board Connectors External ConnectorsMini-Tower Two Desktop One Small Form Factor Audio Back Panel Mini-Tower/DesktopControls and Lights Environmental Physical Height Width Depth WeightPage Visit support.dell.com Contacting Dell