Window resolution issue on dual external monitors when in Coherence...

Discussion in 'Installation and Configuration' started by MattG12, Jul 20, 2021.

  1. MattG12

    MattG12 Bit Poster

    I have a MaBook Pro (16 inch, 2019) running macOS Big Sur 11.4. I have two identical Dell U2719D 41" external monitors (2560 x 1440) connected to the MacBook via a Dell D600 docking station (connected via USB C). I'm running Windows 10 on Parallels Desktop 16 for Mac Pro Edition v 16.5.1.

    When using Parallels in Coherence mode on the two external monitors, one external monitor displays a window in proper resolution, but if I drag the window onto the second (identical) external monitor the resolution for that window changes and everything becomes large. When I drag the window back to the original external monitor the resolution goes back to normal. Both monitors are set to the same resolution in the settings on the MacBook. Please can you tell me if there is a way of fixing this so that windows keep their resolution when dragged between either monitors?

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