Dell OptiPlex 740 - Manual (Page 213)

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 .
Controller has failed — See Drive Problems .
Data error — See Drive Problems .
Decreasing available memory —
See Lockups and Software Problems .
Diskette drive 0 seek failure — See Drive Problems .
Diskette read failure —
See Drive Problems .
Diskette subsystem reset failed — Run the Dell Diagnostics (see Dell Diagnostics ).
Diskette write protected — Slide the write-protect notch on the floppy disk to the open position.
Drive not ready — Put a floppy disk in the drive.
Gate A20 failure —
See Lockups and Software Problems .
Hard-disk configuration error —
Hard-disk controller failure —
Hard-disk drive failure —
Hard-disk drive failure —
See Drive Problems .
Insert bootable media — 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 .
Memory address line failure at address, read value expecting value — See Lockups and Software Problems .
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.