Dell 4691901 owner manual Memory size in Cmos invalid, Memory tests terminated by keystroke

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Memory write/read failure at address, read value expecting value

Description A memory module may be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them.

Memory size in CMOS invalid

Description The amount of memory recorded in the computer configuration information does not match the memory installed in the computer.

Memory tests terminated by keystroke

DescriptionA keystroke interrupted the memory test.

No boot device available

Description

The computer cannot find the floppy disk or hard drive.

No boot sector on hard-disk drive

Description The computer configuration information in System Setup may be incorrect.

No timer tick interrupt

Description

A chip on the system board might be malfunctioning.

Non-system disk or disk error

Description The floppy disk in drive A does not have a bootable operating system installed on it. Either replace the floppy disk with one that has a bootable operating system, or remove the floppy disk from drive A and restart the computer.

Not a boot diskette

Description The operating system is trying to boot to a floppy disk that does not have a bootable operating system installed on it. Insert a bootable floppy disk.

Plug and play configuration error

Description The computer encountered a problem while trying to configure one or more cards.

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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 ComputerRemoving the Cover Installing The CoverRelated Links Removing the Front Bezel Installing The Front BezelRemoving the Expansion Card 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 Installing The Coin-Cell Battery Removing The Coin-Cell BatteryRemoving The Power-Switch Cable 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 cardsRemoving The PSU Thermal Sensor Installing the System BoardRemove the system board from the chassis 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 Diagnostic Light Patterns Diagnostic LEDsPower Button 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 Through Cause Code Cause DMA initialization failureCode 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