The Device Cannot Be Switched Off With The On/Off Switch; Monitor Remains Blank - Fujitsu Celsius M720 Operating Manual

Troubleshooting and tips

The device cannot be switched off with the ON/OFF switch.

Cause
The device has not been switched on with the
ON/OFF switch.
System crash

Monitor remains blank

Cause
Monitor is switched off.
Power saving has been activated (screen is
blank)
Brightness control is set to dark
Power cable not connected
Monitor cable not connected
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Remedy
► Press the ON/OFF switch again.
► Keep the on/off switch pressed for at least 4
seconds until the machine switches off.
Caution: This can lead to a loss of data!
This procedure does not allow the operating
system to shut down in an orderly way. The next
time the system is started there may well be
error messages.
Remedy
► Switch your monitor on.
► Press any key on the keyboard.
or
► Deactivate the screen saver. If
necessary, enter the appropriate
password.
► Adjust the brightness control. For detailed
information, please refer to the operating
manual supplied with your monitor.
► Switch off the monitor and the device.
► Check that the monitor power cable is
properly connected to the monitor and to
a grounded mains outlet or to the monitor
socket of the device.
► Check that the device power cable is
properly plugged into the device and a
grounded mains outlet.
► Switch on the monitor and the device.
► Switch off the monitor and the device.
► Check that the monitor cable is properly
connected to the device and monitor.
► Switch on the monitor and the device.
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