Support and troubleshooting, Using the self-test function, Using internal diagnostics – HP P22 G5 21.5" Monitor User Manual
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Support and troubleshooting
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If your monitor is not working as expected, you might be able to resolve the issue by following the instructions
in this section.
Using the self-test function
The following procedure describes how to use the self-test function to diagnose possible issues with the
monitor.
1.
Turn off the monitor and disconnect all of the cables except the power cord.
2.
Turn on the monitor. The following screens display to show that the monitor is working as expected and
is looking for a valid video signal.
If the video remains blank, verify the computer's video signal.
Using internal diagnostics
The following procedure describes how to use the internal diagnostics to diagnose possible issues with the
monitor.
1.
Turn off the monitor and disconnect all cables except the power cord.
2.
Press and hold the OSD button, and then turn on the monitor.
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