Troubleshooting and tips
The external monitor remains bl
ank
Monitor
Cause Troubleshooting
Monitor is switched off. ► Switch the external monitor on.
Power saving has been activated (monitor is
blank).
► Pre ss any key to continue.
Brightness is set to dark.
► Adjust the brightness of the mo nit
or.
Screen output is set to the notebook’s LCD
screen
► Pre ss the ke y combination to swi
tch the
screen output, see "
Key combina
tions",
Page 19.
The external monitor’s power ca
ble or data
cable is not connected properl
y.
► Switch off the extern al monitor and the
notebook.
► Ch eck whether the pow er cable is plugged
properly into the external monitor and into
the power socket.
► Ch eck whether the data cable is pro perly
connected to t he no tebook and the external
monitor (if it is plugged in with a c onnector).
► Switch on the external mon itor and the
notebook.
The external m onitor is blank or the image is unstable
ScreenMonitor
Cause Troubleshooting
The wrong external monitor h as been select ed
or the wrong screen resolution has been set for
the application program.
► Terminate the application program in
Windows by pressing
Alt
+
F4
.Ifthe
fault persists after closing the progra m, use
the k ey combination for switching the screen
output (see "
Key c ombina tions", Page 19)to
switch over to the notebook’s LCD screen.
Change the f ollowing setting:
► Set the screen resolution: Select the
required resolution with Startsymbol –
(Settings) – Control Panel – Appearance and
Personalisation – Personalizati on : Adjust the
screen resolution as required.
► Select monitor: Right-click on the desktop.
Under Personaliza tio n – Disp lay Settings
choose screen 1 or 2 and under Advanced
Settings – Monitor choose the correct m o nitor.
56 A26391-K214-Z200-1-7619, editio n 1
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