Dell A840, A860 manual Optional ROM has failed. Contact Dell see Contacting Dell on

Troubleshooting

N O T E N O U G H M E M O R Y O R R E S O U R C E S . E X I T S O M E P R O G R A M S A N D T R Y

A G A I N — You have too many programs open. Close all windows and open the program that you want to use.

O P E R A T I N G S YS T E M N O T F O U N D —

Reinstall the hard drive (see your Service Manual at support.dell.com). If the problem persists, contact Dell (see "Contacting Dell" on page 69).

O P T I O N A L ROM B A D C H E C K S U M — The

optional ROM has failed. Contact Dell (see "Contacting Dell" on page 69).

AR E Q U I R E D . DLL F I L E W A S N O T

F O U N D — The program that you are trying to open is missing an essential file. Remove and then reinstall the program.

1Click the Windows Vista start button → Control Panel→ Programs→ Programs and Features.

2Select the program you want to remove.

3Click Uninstall.

4See the program documentation for installation instructions and reinstall the program.

S E C T O R N O T F O U N D — The operating system cannot locate a sector on the hard drive. You may have a defective sector or corrupted FAT on the hard drive. Run the Windows error-checking utility to check the file structure on the hard drive.

See Windows Help and Support for instructions (click Start→ Help and Support). If a large number of sectors are defective, back up the data (if possible), and then reformat the hard drive.

S E E K E R R O R — The operating system cannot find a specific track on the hard drive.

S H U T D O W N F A I L U R E — A chip on the system board may be malfunctioning. Run the System Set tests in the Dell Diagnostics (see "Dell Diagnostics" on page 42).

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