In my Windows Vista setup, I can just press fn-F5 on my laptop to toggle screen display and output to a projector or external monitor.
After I switched to Ubuntu, the hot key is no longer working.
With a little research, I found that the problem lies with my xorg.conf file. It is configured to have only one output device.
I decided to test out a bit and “clone” the laptop screen to the VGA port and it works!
Here is what I did:
sudo gedit /etc/X11/xorg.conf
Look for the section
Identifier “Intel Corporation Mobile 945GM/GMS/940GML Express Integrated Graphics Controller”
Insert the code:
Option “MonitorLayout” “CRT,LFP”
Option “Clone” “true”
Option “DevicePresence” “true
before the EndSection
Save the file and exit.
Press “Ctrl + Alt + Backspace” to restart Xorg.conf
That’s it! You can now see your screen on the projector or external monitor.
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