Acer Extensa 900 Series Maintenance Manual page 89

Table 5-2 Post Error Messages (continued)
Message
No boot device available -
press F1 to retry boot, F2
for SETUP utility
No boot sector on fixed
disk - press F1 to retry
boot, F2 for SETUP utility
Not a boot diskette - press
F1 to retry boot, F2 for
SETUP utility
No timer tick interrupt
Shutdown failure
Time of day not set - run
SETUP program
Timer 2 failure
F2 to enter ROM-based
SETUP
Invalid configuration
information - please run
SETUP
Possible Cause
Either disk drive A:, the fixed
diskette, or both the disk and
fixed diskette are defective.
The C: drive is not formatted
or is not bootable.
The disk in drive A: is not
formatted as a bootable disk.
The timer chip has failed.
Either the keyboard controller
is not accepting the reset
command or the associated
reset logic has failed.
Real time clock not set.
The timer chip has failed.
Invalid configuration
information must be
changed.
Display adapter is configured
incorrectly.
Memory size is incorrect.
Wrong number of disk drives.
Other configuration errors.
Action
Try rebooting. If the problem
persists, replace the disk or the
fixed diskette.
Format the C: drive and make it
bootable.
Replace the disk with a bootable
disk and try rebooting.
Check the system board. Turn
the power off, then back on
again. If the problem persists,
contact qualified service
personnel.
Check the keyboard controller
and system board. Turn the
power off, then back on again.
If the problem persists, contact
qualified service personnel.
Run the Setup utility.
Check the system board. Turn
the power off, then back on
again. If the problem persists,
contact qualified service
personnel.
You must run the Setup utility
and correct configuration
information.
Run the Setup utility.
Troubleshooting Procedures 5-7