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Hello Forum,
I have a T500 with a ati 3650 mobility card in it. I don't want to use my integrated monitor with the resolution of 1650x1050 because I have an external one connected which "only" goes up to 1600x1200.
The question know is:
How do I deaktivate the "internal" lcd
How do I set the correct resolution for the external one (1600x1200) and use this one only when I'm at home.
How do I set up a "switch" mode, e.g. when I'm away from home: use the internal, when connected to the external use this one and deaktivate the internal one.
I already tried the catalyst utility but it simply sucks, there is no way to deaktivate one monitor or to set a primary one.
Any help would be appreciated!
Regards, teal
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xrandr will do the trick. See man xrandr for more information.
Typically running xrandr will show you all connected screens and the supported resolutions. Executing:
xrandr --output <outputname> --off
will shut down that display. You can retrieve the outputname with xrandr. To set the resolution of a screen:
xrandr --output <outputname> --mode <modevalue>
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Thanks for your respond.
I managed to deaktivate the internal one with:
xrandr --output lcd --off
and to set the resolution to 1600x1200 on my external lcd:
xrandr --output DFP_EXTTMDS --mode 1600x1200
Now I only need a way to automate this, thanks
Last edited by tealson (2009-05-13 13:13:46)
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You could put it all together in a script and link it to a key with a acpi event. My laptop actually has a out of the box working fn key that will switch between laptop screen - monitor screen - laptop + monitor screen
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