Old error recurring after update to 26.0.1

Discussion in 'Windows Virtual Machine' started by MarinusB, Sep 5, 2025 at 2:59 AM.

  1. MarinusB

    MarinusB Junior Member

    Messages:
    17
    Prompted by its invitation to do so, today I updated Parallels Deskop Pro to version 26.0.1.
    However, this caused a phenomenon to reappear that occurred in a version of some time ago: in all my Windows VMs running Win 10 or 11, system text in "modern" UI apps suddenly are invisible; in legacy apps, system text displays just fine. Also, various bitmaps appear garbled.
    With the previous version, the remedy was the addition of "video.metal=0" in the Hardware | Boot Order | Advanced | Boot Flags; up te version 26.0.0, this worked perfectly. It would be nice if it would also work after the new update--which should be a very minor one!

    I run Desktop using Sequoia 15.6.1 on a system (Model-ID: iMac15,1), patched with OpenCore Legacy Patcher 2.4.1.
     
  2. MarinusB

    MarinusB Junior Member

    Messages:
    17
    Additional information: I reverted to Parallels Deskop Pro to version 20.4.1 (I had to get on with my work ;-). I can reproduce the "phenomenon" on that version by deleting boot flag "video.metal=0" for a Win 11 VM; inserting it again restores the normal behaviour of the VM.
    That is, it seems to occur independent of the environment of Sequoia 15.6.1 on a system (Model-ID: iMac15,1), patched with OpenCore Legacy Patcher 2.4.1.
     
  3. Avinash Bundhoo

    Avinash Bundhoo Staff Member

    Messages:
    772
    Hello Marinus,

    Thank you for reaching out.

    Please note that we have created a support ticket and will be contacting you at me*******en@g**.com

    Thanks
     

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