Dell OptiPlex 3020 Owner's Manual page 45

Error message Description
No boot device The computer cannot find the floppy disk or hard drive.
available
No boot sector on The computer configuration information in System Setup may be incorrect.
hard-disk drive
No timer tick A chip on the system board might be malfunctioning.
interrupt
Non-system disk The floppy disk in drive A does not have a bootable operating system installed on it. Either replace the floppy disk
or disk error with one that has a bootable operating system, or remove the floppy disk from drive A and restart the computer.
Not a boot The operating system is trying to boot to a floppy disk that does not have a bootable operating system installed on
diskette it. Insert a bootable floppy disk.
Plug and play The computer encountered a problem while trying to configure one or more cards.
configuration
error
Read fault The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector
on the disk, or the requested sector is defective.
Requested sector The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector
not found on the disk, or the requested sector is defective.
Reset failed The disk re-set operation failed.
Sector not found The operating system cannot locate a sector on the floppy or hard drive.
Seek error The operating system cannot find a specific track on the floppy disk or hard drive.
Shutdown failure A chip on the system board might be malfunctioning.
Time-of-day clock The battery might be dead.
stopped
Time-of-day not The time or date stored in System Setup does not match the computer clock.
set-please run the
System Setup
program
Timer chip A chip on the system board may be malfunctioning.
counter 2 failed
Unexpected The keyboard controller may be malfunctioning or a memory module may be loose.
interrupt in
protected mode
WARNING: Dell's During initial startup, the drive detected possible error conditions. When your computer finishes booting,
Disk Monitoring immediately back up your data and replace your hard drive (for installation procedures, see "Adding and Removing
System has Parts" for your computer type). If no replacement drive is immediately available and the drive is not the only
detected that bootable drive, enter System Setup and change the appropriate drive setting to None. Then remove the drive
drive [0/1] on the from the computer.
[primary/
secondary] EIDE
controller is
operating outside
of normal
specifications. It
is advisable to
immediately back
up your data and
replace your hard
drive by calling
your support desk
or Dell.
Write fault The operating system cannot write to the floppy or hard drive.
Troubleshooting your computer 45