HP Dx5150 - Compaq Business Desktop Reference Manual page 174

Troubleshooting Without Diagnostics
Solving Software Problems
Problem
Computer will not continue
and no HP logo screen has
appeared.
Computer will not continue
after HP logo screen has
appeared.
"Illegal Operation has
Occurred" error message
is displayed.
D–28
Cause
POST error has
occurred.
System files may be
damaged.
Software being used is
not Microsoft-certified
for your version of
Windows.
Configuration files are
corrupt.
361685-001
Solution
Observe the beeps and LED lights
on the front of the computer.
See Appendix C, "POST Error
Messages" to determine possible
causes.
See the Restore Kit or the
Worldwide Limited Warranty for
terms and conditions.
Use recovery diskette to scan hard
drive for errors.
Verify that the software is certified
by Microsoft for your version of
Windows (see program packaging
for this information).
If possible, save all data, close all
programs, and restart the computer.
Service Reference Guide, dx5150