desktop window manager forced classic mode

Discussion in 'Windows 7 Graphics' started by compri, Apr 22, 2015.

  1. compri

    compri New Member

    Apr 22, 2015
    Likes Received:

    I have 2 gtx 670 sli'd and i5 3570k oc'ed with oc genie.
    yesterday i hooked up my 4k tv together with my 3 monitors(1920/1080) and when i put the resolution on my tv to 4k(3840/2160) i get forced to windows classic mode.
    it works when i put the resolution to 1920/1080 though.
    I've had this setup working by connecting my monitors to both graphics cards and sli disabled but then my screens have like 15 fps.
    i already set my advanced system settings to performance and restarted the dwm service. doesn't help.
    i can't imagine my gtx 670's not being able to handle 3 screens + 4k screen.
    but maybe i'm just a dumb f***k.
    help plz.

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