Troubleshooting Guide

Troubleshooting Guide www.hp.com 2–45
Troubleshooting Without Diagnostics
Solving Software Problems
Most software problems occur as a result of the following:
■ The application was not installed or configured correctly.
■ There is insufficient memory available to run the application.
■ There is a conflict between applications.
■ Be sure that all the needed device drivers have been installed.
■ If you have installed an operating system other than the
factory-installed operating system, check to be sure it is
supported on the system.
If you encounter software problems, see the applicable solutions
listed in the following table.
Solving Software Problems
Problem Cause Solution
Computer will not continue
and no HP logo screen has
appeared.
POST error has
occurred.
Observe the beeps and LED lights
on the front of the computer.
See Appendix A, “POST Error
Messages” to determine possible
causes.
See the Restore Kit or the Worldwide
Limited Warranty for terms and
conditions.
Computer will not continue
after HP logo screen has
appeared.
System files may be
damaged.
Use recovery diskette to scan hard
drive for errors.
“Illegal Operation has
Occurred” error message is
displayed.
Software being used is
not Microsoft-certified
for your version of
Windows.
Verify that the software is certified
by Microsoft for your version of
Windows (see program packaging
for this information).
Configuration files are
corrupt.
If possible, save all data, close all
programs, and restart the computer.