HP Z4 Maintenance and Service Guide - Page 76

Solving software problems

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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. Computer will not continue and the HP logo does not display. Cause ROM issue - POST error has occurred. Solution Observe the beeps and LED lights on the front of the computer. See POST error messages and diagnostic front panel LEDs and audible codes on page 69 to determine possible causes. See the Worldwide Limited Warranty for terms and conditions. "Illegal Operation has Occurred" error message is displayed. Cause Solution Software being used is not Microsoft-certified for your version of Verify that the software is certified by Microsoft for your version Windows. of Windows (see program packaging for this information). Configuration files are corrupt. If possible, save all data, close all programs, and restart the computer. 68 Chapter 6 Troubleshooting without diagnostics

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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.
Computer will not continue and the HP logo does not display.
Cause
Solution
ROM issue - POST error has occurred.
Observe the beeps and LED lights on the front of the computer.
See
POST error messages and diagnostic front panel LEDs and
audible codes
on page
69
to determine possible causes.
See the Worldwide Limited Warranty for terms and conditions.
“Illegal Operation has Occurred” error message is displayed.
Cause
Solution
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.
68
Chapter 6
Troubleshooting without diagnostics