HP EliteDesk 800 G6 Maintenance and Service Guide - Page 83

Computer will not start up and the HP logo does not appear

Page 83 highlights

● All the necessary device drivers might not have been installed. ● If you have installed an operating system other than the factory-installed operating system, it might not be supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not start up and the HP logo does not appear Use this information to troubleshoot the computer. Cause ROM issue - POST error has occurred. Solution Observe the beeps and lights on the front of the computer. See the Worldwide Limited Warranty for terms and conditions. "Illegal Operation has Occurred" error message is displayed Use this information to troubleshoot the computer. Cause Solution Software being used is not Microsoft-certified for your version Verify that the software is certified by Microsoft for your version of 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. Solving software problems 73

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All the necessary device drivers might not have been installed.
If you have installed an operating system other than the factory-installed operating system, it might not
be supported on the system.
If you encounter software problems, see the applicable solutions listed in the following table.
Computer will not start up and the HP logo does not appear
Use this information to troubleshoot the computer.
Cause
Solution
ROM issue - POST error has occurred.
Observe the beeps and lights on the front of the computer. See
the Worldwide Limited Warranty for terms and conditions.
“Illegal Operation has Occurred” error message is displayed
Use this information to troubleshoot the computer.
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.
Solving software problems
73