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Possible cause of the problem:
• In the System Settings, a screen type other than the existing one has been set.
Troubleshooting:
• Press the Fn + F5 key combination.
• If an
external monitor is connected, connect this to a power source and switch it on.
Also check the brightness and contrast settings.
The system stops working.
Possible cause of the problem:
• An energy saving function has been activated.
Note:
• The screen switches itself off.
Troubleshooting:
• Press any key, or press the on/off button if none of the status LEDs are lit.
Possible cause of the problem:
• A software error has caused a system crash.
Troubleshooting:
• Additional information is available in the operating system handbook.
• If you cannot remedy the problem, restart the system. You will lose any unsaved data!
If this doesn’t work either, briefly switch off the computer and then switch it back on
again.
Each time the system starts, it carries out a self-test
(POST). If an error occurs, an error message appears,
briefly describing the problem.
Fault Diagnosis and Troubleshooting