The Device Cannot Be Switched Off With The On/Off Switch; Monitor Remains Blank - Fujitsu ESPRIMO X956 Operating Manual

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

Cause
System crash

Monitor remains blank

Cause
Power saving has been activated (screen is
blank)
Brightness control is set to dark
Wrong setting for the monitor
The screen display becomes darker
Message: Frequency out of range:## kHz
/ ## HzPlease change the display mode
to 1920 x 1080 with 60 Hz
Fujitsu
Remedy
► 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
► Press any key on the keyboard.
or
► Deactivate the screen saver. If
necessary, enter the appropriate
password.
or
► Alter the brightness and/or contrast until
you get a picture.
► Adjust the brightness control.
► Restart the device.
► Press F8 while the system is booting.
► Start the system in protected mode.
► Set the correct value for the connected
monitor, as described in the operating
instructions for the monitor.
The background lighting has a limited lifetime.
► If your screen display becomes too dark,
contact our Service Desk.
► Check the ambient temperature.
The input signal (horizontal frequency and
refresh rate) does not correspond to the
technical monitor data.
► Adjust the video frequency range using the
computer software (see documentation for
your computer or your display adapter)
► Adjust a different screen resolution using the
computer software (see documentation for
your computer or your display adapter).
Troubleshooting and tips
49