Service Reference Guide

C–8 Service Reference Guide
POST Error Messages
1781-Disk 1 Failure None Hard drive/format error. Run Computer Setup (F10 Setup).
Clear CMOS.
Check cable seating/jumper
settings.
Run hard drive diagnostics.
Disconnect additional drives.
Run the Drive Protection System test if
available.
Replace the hard drive.
1782-Disk Controller
Failure
None Hard drive circuitry
error.
Run Computer Setup (F10 Setup).
Clear CMOS.
Check cable seating /jumper
settings.
Run hard drive diagnostics.
Disconnect additional drives.
Run the Drive Protection System test if
available.
Check www.compaq.com\support\
techpubs\customer_advisories for
possible changes when using
Windows NT4.0 Service Pack 4.
Replace the hard drive.
Replace the system board.
* L = Long, S = Short
POST Error Messages
Screen Message Beeps* Probable Cause Recommended Action