User Manual

Troubleshooting and tips
The external monitor remains bl
ank
Monitor
Cause Troubleshooting
Monitor is sw itched off. ► Switch the external mon itor on.
Power saving has been activated (monitor is
blank).
► Press any key to continue.
Brightness is set to dark.
► Adjust the brightness of the
monitor.
Screen output is set to the notebook’s LCD
screen
► Press the key to switch scr
een output, see
"
Functio n keys and key c o
mbinations",
Page 29.
The external monitor’s
power cable or data
cable is not connected p
roperly.
► Switch off the e xternal monitor and the
notebook.
► 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 notebook and the external
monitor (if it is plugged in with a connector).
► Switch on the external monitor and the
notebook.
The external monitor is b lank or the image is unstable
ScreenMonitor
Cause Troubleshooting
The wrong external monitor has been selected
or the wrong screen resolution has been set for
the application program.
► Stop the appli
cation program under
Windows by pre
ssing
Alt
+
F4
.Ifthe
error persist
s after stopping the program,
use the key fo
r switching screen output
(see "
Functi
on keys and key combinations",
Page 29)toswi
tch to the LCD screen of the
notebook. C
hange the fo llowing setting:
► Set the screen resolution: Set the screen
resolution as described in the documentation
for your operating system.
► Select mo
nitor: Select monitor 1 or 2 as
describe
d in the documentation for your
operatin
g system.
Fujitsu 79