The External Monitor Remains Blank; The External Monitor Is Blank Or The Image Is Unstable - Fujitsu ESPRIMO K55x/24 Series Operating Manual

The external monitor remains blank

Monitor
Cause
Monitor is switched off.
Power saving has been activated (monitor is
blank).
Brightness is set to dark.
Screen output is set to the system's LCD
monitor.
The external monitor's power cable or data
cable is not connected properly.

The external monitor is blank or the image is unstable

Screen Monitor
Cause
The wrong external monitor has been selected
or the wrong screen resolution has been set for
the application program.
Fujitsu
Troubleshooting
► Switch the external monitor on.
► Press any key to continue.
► Adjust the brightness of the monitor.
► Press the key combination to switch the
screen output, see
keyboard shortcuts", Page
► Switch off the external monitor and the
system.
► Check whether the power cable is plugged
properly into the external monitor and into
the power socket.
► Check whether the data cable is properly
connected to the system and the external
monitor (if it is plugged in with a connector).
► Switch on the external monitor and the
system.
Troubleshooting
► Terminate the application program in
Windows by pressing
error persists after terminating the program,
use the key combination for switching the
screen output (see
keyboard shortcuts", Page
switch to the LCD monitor of the system.
Change the following setting:
► Set the screen resolution: Set the screen
resolution as described in the documentation
for your operating system.
Troubleshooting and tips
"Important keys and
34.
+ . If the
Alt F4
"Important keys and
34), in order to
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