Troubleshooting and tips
The external monitor is blank or the image is unstable
Externalmonitor:
Externalmonitor:
Cause
Troubleshooting
The wrong external monitor has been selected
or the wrong screen resolution has been set for
the application programme.
Windows XP:
►
Terminate the application program in
Windows by pressing
Alt
+
F4
.
►
If the fault persists after closing down the
program, press the key combination for
Switching the screen output
to switch to the
LCD screen of the notebook and change the
following settings:
►
Select the correct monitor or set the correct
screen resolution.
– Select the monitor:
Start - (Settings) -
Control Panel - Display - Settings - Advanced
- Monitor
– Set the screen resolution:
Start - (Settings)
- Control Panel - Display - Settings
,
Screen
resolution
fi
eld.
Windows Vista:
►
Terminate the application program in
Windows by pressing
Alt
+
F4
.
►
If the fault persists after closing down the
program, press the key combination for
Switching the screen output
to switch to the
LCD screen of the notebook and change the
following settings:
►
Set the screen resolution: Select the
desired screen resolution under
Start –
(Settings) – Control Panel – Appearance and
Personalization – Personalization: Adjust screen
resolution
►
Select monitor: Right-click on the desktop.
From the menu click on
Personalize – Display
Settings
and select monitor 1 or 2 and then
select the correct screen under
Advanced
settings – Monitor
.
A26391-K200-Z226-1-7619, edition 2
57
Summary of Contents for CELSIUS H250
Page 1: ...Notebook Operating Manual ...
Page 3: ......