Dell OptiPlex 990 Desktop Service Manual page 7

Shutdown failure
Time-of-day clock stopped
Time-of-day not set-please run the System Setup program
Timer chip counter 2 failed
Unexpected interrupt in protected mode
WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the
[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
Write fault on selected drive
X:\ is not accessible. The device is not ready
21 Specifications.........................................................................................93
Technical Specifications
22 Contacting Dell.....................................................................................103
Contacting Dell
......................................................................................................89
......................................................................................89
......................................................................................90
.................................................................................................................90
....................................................................................91
.................................................................................................93
..............................................................................................................103
.................................................................90
...............................................90
..........................................................91
...................................90