Unable to set the main display for dual monitors in Parallels Windows on Mac

Discussion in 'Windows Virtual Machine' started by DRC.Shrimp, Sep 5, 2025 at 9:50 PM.

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  1. DRC.Shrimp

    DRC.Shrimp Junior Member

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    On my MacBook, I'm running a Windows VM using Parallels. I'm trying to set the MacBook's built-in screen as the primary display for the VM, but it's not allowing me to do so
     
    DRC.Shrimp, Sep 5, 2025 at 9:50 PM
    #1
  2. DRC.Shrimp

    DRC.Shrimp Junior Member

    Messages:
    13
    After upgrading to Parallels version 26.0.1, I encountered an issue with display priority in my Windows VM. When only one external monitor is connected, the MacBook's built-in screen can be set as the main display. However, once two external monitors are connected, the built-in screen is no longer selectable as the main display within the Windows VM.
     
    Last edited by a moderator: Sep 5, 2025 at 11:33 PM
    DRC.Shrimp, Sep 5, 2025 at 9:56 PM
    #2

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