Fujitsu ESPRIMO Q9000 - The Device Cannot be Switched off with the ON;OFF Switch; Screen Stays Blank

Troubleshooting and tips
30 Fujitsu Technology Solutions
The device cannot be switched off with the ON/OFF switch
Cause Troubleshooting
System crash ► Touch the ON/OFF switch for at least 5 seconds,
until the device switches off.
The operating system is not shut-down properly in the
process. Error messages are therefore possible the next
time the system is booted.
It may take a few seconds before the system boots. This
is while the system carries out a check.
Screen stays blank
Cause Troubleshooting
Monitor is switched off. ► Switch your monitor on.
Power saving has been activated
(screen is blank).
► Press any key on the keyboard.
or
► Deactivate the screen saver. If necessary, enter the
appropriate password.
Brightness controls set to dark. ► Adjust the brightness control. For detailed
information, please refer to the operating manual
supplied with your monitor.
Power cable is not connected. ► 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.
Monitor cable is not connected. ► 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.