Dell E521 specifications Click the Change or Remove Program icon, Diskette read failure

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A filename cannot contain any of the following characters: \ / : * ? " < > — Do not use these characters in filenames.

A required .DLL file was not found — The program that you are trying to open is missing an essential file. To remove and then reinstall the program:

1.Click the Start button, click Control Panel, and then click Add or Remove Programs.

2.Select the program you want to remove.

3.Click the Change or Remove Program icon.

4.See the program documentation for installation instructions.

Attachment failed to respond — See "Drive Problems" in your Owner's Manual.

Bad command or file name — Ensure that you spelled the command correctly, put spaces in the proper place, and used the correct pathname.

Bad error-correction code (ECC) on disk read — See "Drive Problems" in your Owner's Manual.

Data error — See "Drive Problems" in your Owner's Manual.

Diskette drive 0 seek failure — See "Drive Problems" in your Owner's Manual.

Diskette read failure —

See "Drive Problems" in your Owner's Manual.

Diskette write protected — Slide the write-protect notch on the floppy disk to the open position.

Hard-disk drive failure —

See "Drive Problems" in your Owner's Manual.

No boot device detected — Insert a bootable floppy disk or CD.

Invalid configuration information - please run SETUP program — Enter system setup and correct the computer configuration information (see Entering System Setup).

Keyboard failure — See "Keyboard Problems" in your Owner's Manual.

Memory allocation error —

1.Turn off the computer, wait 30 seconds, and then restart the computer.

2.Try to run the program again.

3.If the error message appears again, see the software documentation for additional troubleshooting suggestions.

No boot device available —

If the floppy drive is your boot device, ensure that a bootable floppy disk is in the drive.

If the hard drive is your boot device, ensure that the cables are connected and that the drive is installed properly and partitioned as a boot device.

Enter system setup and ensure that the boot sequence information is correct (see Entering System Setup).

Non-system disk error — Remove the floppy disk from the drive and restart your computer.

Non-system disk or disk error — 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 — Insert a bootable floppy disk and restart your computer.

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Contents Model Dcsm Front View of the Computer About Your ComputerBack View of the Computer Back Panel ConnectorsBack to Contents Light Pattern Problem Description Suggested Resolution Advanced TroubleshootingPower Lights Diagnostic LightsSystem Messages Beep CodesCode Cause Diskette read failure Click the Change or Remove Program iconStarting the Dell Diagnostics Dell DiagnosticsIdentifying Drivers Dell Diagnostics Main MenuWhat Is a Driver? DriversWindows XP Reinstalling DriversUsing Windows XP Device Driver Rollback Manually Reinstalling DriversClick Start, then click Help and Support Resolving Software and Hardware IncompatibilitiesTurning Off Your Computer Before You BeginGetting Started Recommended ToolsBack to Contents Removing the Computer Cover Removing and Installing PartsMemory Memory Installation GuidelinesInstalling Memory Addressing Memory With 4-GB ConfigurationsRemoving Memory CardsPCI Cards Installing a PCI CardPage Removing a PCI Card PCI Express Cards Installing a PCI Express CardPage Removing a PCI Express Card Removing the Drive Panel Drive PanelInstalling the Drive Panel Installing the Drive-Panel InsertRemoving the Drive-Panel Insert Drives Connecting Drive CablesConnecting and Disconnecting Drive Cables Drive Interface ConnectorsHard Drive Removing a Hard Drive Installing a Hard DrivePage Adding a Second Hard Drive Floppy DriveRemoving a Floppy Drive Installing a Floppy Drive Removing a Media Card Reader Media Card ReaderInstalling a Media Card Reader Removing a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Page Power Supply BatteryReplacing the Battery Replacing the Power Supply Removing the Processor ProcessorInstalling the Processor Page Removing the I/O Panel PanelProcessor Fan Installing the I/O PanelRemoving the Processor Fan Installing the Processor Fan Removing the System Board System BoardSystem Board Screws Installing the System Board Installing the Computer CoverBack to Contents September 2006 Rev. A00 Specifications Drives ConnectorsControls and Lights Physical PowerEnvironmental Overview System SetupEntering System Setup System Setup ScreenOnboard Devices System Setup OptionsNot Set Bypass isUnlocked Setup & Boot Menu Boot SequenceOption Settings Changing Boot Sequence for the Current BootChanging Boot Sequence for Future Boots Clearing Forgotten PasswordsFlashing the Bios Clearing Cmos SettingsClick Save this program to disk, and then click OK Inside View of Your Computer Technical OverviewSystem Board Components Pin Number Signal name AWG Wire Power Supply DC Connector Pin AssignmentsDC Power Connector P2 DC Power Connector P10