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Hyper-V: full screen on dual monitor does not restore correctly

Old Funeral 16 Reputation points
2021-12-05T18:35:45.633+00:00

Hello,

I have a host machine running Windows 10 pro 21H1, with a guest VM also running Windows 10 pro 21H1.

The host has two monitors (1440p).

When I run the VM in full screen mode, it maximize the enhanced session window and it fills the 2 monitors correctly, but if I minimize that enhanced session window and try to restore it again, the session only maximizes on a single host window, which is a problem since it should maximize on both monitors, not just one.

The only workaround I found is to close the session and reopen a new one, that takes a lot of time specially I need to login to the VM every time I need to do that.

How can I restore the session to full screen on both monitors without the need to close it first? The solution described in another case does't help me (https://social.technet.microsoft.com/Forums/windows/en-US/c95e831d-36ae-4307-b3fd-a9daac6b5790/full-screen-on-dual-monitor-does-not-restore-correctly?forum=win10itprovirt).

Thanks

Windows for business | Windows Client for IT Pros | User experience | Other

6 answers

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  1. Constantin 11 Reputation points
    2022-10-21T16:50:42.903+00:00

    I found a solution that works for me:

    1. In the VM window go to View and uncheck Enhanced Session. The VM window will become small
    2. Go back to View and check back the Enhanced Session. Now the VM window is full screen properly on both screens.

    My config:

    • Host: latest Windows 11 22H2
    • VM: Windows 10
    • Using two screens.
    2 people found this answer helpful.
  2. Nicolae Popov 20 Reputation points
    2023-06-04T14:14:06.4466667+00:00

    I found a workaround for my situation: I set the same scale for both laptop and second display to 100%. In this way it is correctly restoring. So the issue for Hyper V is restoring from scaling.

    2 people found this answer helpful.
    0 comments
  3. Jiri Petruzelka 5 Reputation points
    2023-10-23T13:39:58.1966667+00:00

    So after all those years it was ChatGPT who gave me a working answer - do not use Hyper-V session, but connect via RDP, that works perfectly for me

    1 person found this answer helpful.
  4. Nicolae Popov 20 Reputation points
    2023-05-31T13:47:16.8033333+00:00

    Still no update?

    0 comments
  5. Jiri Petruzelka 5 Reputation points
    2023-10-23T13:12:00.6266667+00:00

    I have the same problem. On Windows 8 it worked flawlessly and fast. Started to occurr in Windows 10 and got even worse in Windows 11. On top of mentioned window reshuffle whenever I switch to a fullscreen Hyper-V window both screens go black for about 5 seconds, only mouse cursor is showing

    Suggested steps did not help. Scaling matches, re-enabling Enhanced session didn't help. Renabling fullscreen in Session Settings didn't help

    I've been trying to solve this for 5+ years, no one knows what to do with it

    0 comments

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