Troubleshooting and tips
The LCD screen of the notebook is difficult to read
LCDscreenLCDscreen
Cause Troubleshooting
Reflected glare ► Turn the notebook or alter the tilt of the LCD
screen.
► Increase the brightness of the screen.
The external monitor rem
ains blank
Monitor
Cause Troubleshooting
Monitor is switched off. ► Switch the external monitor on.
Power saving has been activated (monitor is
blank).
► Press any key to continue.
Brightness is set to dark.
► Adjust the brightne
ss of the monitor.
Screen output is set to the notebook’s LCD
screen
► Press the key for changing over the screen
output, see "
Hot keys", Page 43.
The external monitor’s AC cable or data cable is
not connected properly.
► Switch off the external monitor and the
notebook.
► Check whether the AC cable is plugged
properly into the external monitor and into
the power outlet.
► 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 extern
al monitor is blank or the image is unstable
MonitorMonito r
Cause Troublesh
ooting
The wrong
external monitor has been selected
or the wro
ng screen resolution has been set for
the appli
cation program.
► Terminat
e the application program under
Windows b
y pressing
Alt
+
F4
.Ifthe
error per
sists after terminating the program,
use the k
ey for switching the screen output
(see "
Ho
t keys", Page 43), in order to switch
to the L
CD screen of the notebook.
Change
the following setting:
► Set the screen resolution: Set the screen
resolution as described in the documentation
for your operating system.
►Selec
t monitor: Select monitor 1 or 2 as
desc
ribed in the documentation for your
oper
ating system.
Fujitsu 91
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