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I am new to Ubuntu Studio and I have version 19.10.

My question is: How do I get multiple displays and multiple GPUs to work?

I have 2 GTX 1080s and 2 1070s in my system. I use the 1080s in SLI on windows. I have three displays two connected to the 1070s (one per card) and one for the 1080s (in SLI).

I don't have to have SLI in Linux, but I don't want to use xinerama. I would prefer having base mosaic, but I haven't had much luck getting it to work. Is there anyway I can get this to work?

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You have to choose a different compositor. One that is compatible with the X11 config.

Then you have to point nvidia-config to xorg.conf

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  • I'm switched to compton which has its on config file do I point nvidia config to that file because I'm sure its already pointed to the xorg.conf. I've tried editing that file and can only get the displays to work in xinerama.
    – Tatsuo
    Dec 13, 2019 at 9:22
  • the way i did it on two cards was disabling nvidia-config (keeping the modules) and letting xorg config the screens. I was using a 1060 and a 660 at the time - so they were as different as could be.
    – TardisGuy
    Dec 15, 2019 at 4:07

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