Laptop User Manual

Troubleshooting and tips
The LCD screen is difficult to read
LCDscreenLCD screen
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 activat ed (monitor is
blank).
► Press any key to continue.
Brightness is set to dark.
► Adjust the brightne
ss of the monitor.
Screen output is s et to the notebook’s LCD
screen
► Press the key combi
nationtoswitchthe
screen output, see
"
Key combinations",
Page 23.
The external moni
tor ’s power cab le or data
cable is not conn
ected properly.
► Switch off the external monitor and the
notebook.
► Check whether the power cable i s plugged
properly into the external monitor and into
the power socket.
► Check whethe r the data cable is properly
connected to the notebook and th e external
monitor (if it is plugged in with a connector).
► Switch on the e xternal monitor and the
notebook.
The external monitor is blank or the image is unstable
ScreenMonitor
Cause Troubleshooting
The w rong external monitor has been selected
or the wrong screen resolution ha s been set for
the application program.
► Terminate the application program in
Windows by pre ssing
Alt
+
F4
.Ifthe
fault persists after closing the program, use
the key combination for switching the screen
output (see "
Key combination s", Page 23)to
switch over to th e noteboo k’s LCD screen.
Change the following 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
described in the documentation for your
operating system.
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