
Quick Troubleshooting Guide
B-9
POST Error Messages
Continued
Screen Message Beeps* Probable Cause Recommended Action
1793-Secondary Controller
or Disk Failure
None Hard drive circuitry error. 1. Run Computer Setup (F10
Setup).
2. Clear CMOS.
3. Check cable seating /jumper
settings.
4. Run hard drive diagnostics.
5. Disconnect additional drives.
6. Run the Drive Protection
System test if available.
7. Replace the hard drive.
1800-Temperature Alert None Internal temperature
exceeds specification.
1. Check that computer air vents
are not blocked and cooling fan
is running.
2. Verify processor speed
selection.
3. Replace the processor.
4. Replace the system board.
1801 None Processor not supported by
ROM Bios.
Upgrade Bios to proper version.
Audible 1L, 3S System ROM is bad;
system is running in
Failsafe Boot Block mode.
Reflash the ROM using a ROMPaq
diskette. Refer to the “Failsafe Boot
Block ROM” section of the
Software
Reference Guide
.
Audible 2S Power-on successful. None
Flashing Caps Lock LED
on Keyboard
1L, 2S Graphics controller not
present or incorrectly
initialized.
1. Clear CMOS.
2. If graphics card has been
added, remove and reseat.
Flashing Num Lock LED on
Keyboard
1S, 2L System memory not
present.
1. Check memory module.
2. Remove and reseat memory
module.
3. See “Memory Problems” in
Appendix A.
Num Lock LED on
Keyboard
None Failed Boot Block. Reflash the ROM using a ROMPaq
diskette.
Flashing Scroll Lock LED
on Keyboard
2L, 1S System board hardware
failure (prior to video).
Replace system board.
* L = Long, S = Short
continued
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