Dell 4500 System Messages, System board, Beep Codes Possible Cause Corrective Action

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one memory module (if the computer supports a single module), and then restart the computer.

 

 

 

If the computer starts normally, move the memory module to a different connector and restart

 

 

 

the computer. Continue until you have identified a faulty connector or reinstalled all modules

 

 

 

without error.

 

 

If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining

 

 

technical assistance.

 

 

 

 

System board failure.

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical assistance.

 

 

 

 

 

Memory modules are

Be sure that there are no special memory module/memory connector placement requirements.

 

detected, but a memory

Verify that the memory modules that you are installing are compatible with the computer.

 

configuration or compatibility

 

 

 

error exists.

If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining

 

 

 

 

technical assistance.

 

 

 

 

USB port or a device

Disconnect the device from the USB connector. If the problem persists, see "Contacting Dell" in the Dell

 

connected to it has failed

Owner's Manual for instructions on obtaining technical assistance.

 

initialization.

 

 

 

 

 

 

 

Other failure.

Ensure that the cables are properly connected from the hard drive, CD drive, and DVD drive to

 

 

 

the system board.

 

 

If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining

 

 

technical assistance.

 

 

 

 

Computer has started and

No action is necessary.

 

turned over control to the

 

 

 

operating system.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Beep Codes

If the monitor cannot display errors or problems, during POST the computer might emit a series of beeps, or beep code, that identifies the problem. The POST beep codes are listed below.

Beep

 

 

Codes

Possible Cause

Corrective Action

 

 

 

1

A memory refresh failure occurred.

Reseat the memory modules.

 

 

 

2

Memory parity cannot be reset.

Reseat the memory modules.

 

 

 

3

A failure occurred in the first 64 KB of memory.

Reseat the memory modules.

4

The system timer is not operational.

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical

 

 

assistance.

 

 

 

6

8042 Gate A20 cannot be toggled.

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical

 

 

assistance.

 

 

 

7

An exception interrupt error occurred.

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical

 

 

assistance.

 

 

 

8

A read/write error occurred in the display

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical

 

memory.

assistance.

 

 

 

10

A CMOS shutdown register test error occurred.

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical

 

 

assistance.

 

 

 

11

An invalid BIOS is installed.

See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical

 

 

assistance.

 

 

 

System Messages

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Contents Dell Dimension Diagnostic Code Definition Corrective Action Advanced TroubleshootingDiagnostic Codes Back to ContentsBeep Codes Possible Cause Corrective Action Beep CodesSystem Messages System boardRestoring the Computer to an Earlier Operating State Using System RestoreCreating a Restore Point Click Help and Support Click System RestoreReinstalling Drivers Undoing the Last System RestoreUsing Windows XP Device Driver Rollback Reinstalling Windows XP Using the Dell Dimension ResourceCDResolving Software and Hardware Incompatibilities Reinstall the appropriate drivers Documentation Finding Information for Your ComputerWhat Are You Looking For? Find it Here Click User and system guides, and then click Users guides Printed DocumentationOnline Documentation Downloading the Tell Me How Help File and Associated FilesViewing the Tell Me How Help File Safety Instructions When Using Your ComputerAdding Parts When Working Inside Your Computer Ergonomic Computing Habits Battery DisposalProtecting Against Electrostatic Discharge Reattaching the Front Door Shutting Down the ComputerReattaching the Front Door and Hinge Arms Windows XPOpening the Computer Cover Open the computer cover Adding CardsClose the computer cover Removing CardsOpen the computer cover Remove the AGP card Adding MemoryReplacing an AGP Card Reinstall the AGP card Close the computer coverAdding a Second Hard Drive Adding Other Drives Inch Devices Inch Devices Replacing the Microprocessor Open the computer cover Installing the Microprocessor Removing the Front I/O Panel Removing the Power Supply Replacing the Power SupplyReplacing the System Board Replacing the Power SupplyReplacing the System Board Removing the System BoardClosing the Computer Cover Finding Help Information Solving ProblemsBattery Problems Drive Problems Floppy drive problemsDVD drive problems Mail, Modem, and Internet ProblemsCD drive problems Problems writing to a CD-RW driveVerify that the modem is communicating with Windows Error MessagesGeneral Problems Computer stops respondingProgram crashes repeatedly Other software problemsOther technical problems Program stops respondingRestart the computer Keyboard ProblemsMouse Problems General hardware problemsReinstall the mouse driver See Reinstalling Drivers Network ProblemsPower Problems Check the mouse settingsNo sound from speakers Printer ProblemsScanner Problems Sound and Speaker ProblemsIf the screen is difficult to read Video and Monitor ProblemsNo sound from headphones If the screen is blankBack to Contents Technical Specifications Controls and Lights PowerAudio2 VideoPage Main Screen System Setup ProgramEntering the System Setup Program OverviewDisplays the Peripheral Configuration submenu Advanced ScreenOption Function Displays the Event Log Configuration submenu Boot Configuration SubmenuPeripheral Configuration Submenu Displays the Diskette Configuration submenuInterrupt IDE Configuration SubmenuPrimary IDE Master Submenu Base I/O AddressDiskette Configuration Submenu Event Log Configuration SubmenuNone Security Screen Video Configuration SubmenuLast State Power ScreenStay Off default Power OnExit Screen Boot ScreenEnabling the Processor Serial Number Clearing Forgotten PasswordsTechnical Overview Internal View System Board Connectors and SocketsPower Supply DC Power ConnectorsPower Supply DC Connector Pin Assignments DC Power Connector P1 DC Power Connector P2Pin Number Signal name 18-AWG Wire DC Power Connector P7 IDE Interface Cable Connections for Dell-Installed DrivesPlacement of Dell-Installed Cards DC Power Connectors P3, P5, P6, P8, and P9Card Connector Card Description Controls and Lights Front ViewFront View Back View Back View USB 2.0 ConnectorsSerial Connector Hints, Notices, and Cautions Abbreviations and AcronymsHints, Notices, and Cautions Abbreviations and Acronyms
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