Windows 10: Change Main Display in Windows 10  

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  1.    28 Jul 2017 #10

    Brink said: View Post
    Hello Faeldihn, and welcome to Ten Forums.
    Thank you.

    Brink said: View Post
    The monitor IDs is determined by the port on the graphics card the monitor is connect to. You can swap the connections for the monitors on your graphics card to change them.
    Both monitors use HDMI ports of the unique GC, and swapping the monitors doesn't solve the issue.
    Once the content has been swapped on boot, swapping the monitors (while powered, ouch!!!) doesn't change a thing. In fact, I have to wait for the same issue to happen again and... "voilà"... icons are back where they had to.

    It looks more like the monitors don't get detected in the same order on each boot (GC? OS device manager? Variable latency of Monitor PnP HW?).
      My ComputerSystem Spec

  2. Posts : 29,302
    64-bit Windows 10 Pro build 17672
    Thread Starter
       28 Jul 2017 #11

    You would have wanted to swap the connections while everything is turned off instead.
      My ComputersSystem Spec

  3.    28 Jul 2017 #12

    Did too... started with that actually, but the boot kept the monitors as swapped as they were.
      My ComputerSystem Spec

  4.    28 Jul 2017 #13

    You need to connect them one at a time. The one that you want as No. 1, should be connected on initial boot. Shut down, completely, connect No. 2, and see if that helps. I have a system that I manage, and that's the procedure I followed, and it worked. It doesn't work on my home office though. Go figure! Just a thought....
      My ComputerSystem Spec

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