Operating Manual

Tro ubl eshooting 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 sw itched off. ► Switch the e xternal monitor on.
Power saving has been activated (mon itor 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 c able or data c able 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 cab le is properly
connected to the notebook and the external
monitor (if it is plugged in with a c onn ector).
► Switch on the external monitor and the
notebook.
The extern
al monitor is blank or the image is unstable
MonitorMonitor
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 no tebook.
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.
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