I installed a new Windows guest with 1709 and the guest additions 5.2.1 (on the webpage it is still called 5.2.0).
My maximum resolution is 1920 x 1440 in the guest windows and I cannot change to portrait anymore landscape is greaed out. The host Windows has 2160 x 3840. In the past never had these restrictions.
New installed 1709 Box does not support 4K resolution
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Re: New installed 1709 Box does not support 4K resolution
In the UI (not he VM), try setting File|Preferences|Display|Maximum Guest Display Size to None.
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Re: New installed 1709 Box does not support 4K resolution
This did not help. And neither the third menu pint proposal (I tried 2160 x 3000)
Re: New installed 1709 Box does not support 4K resolution
Hi, I had a similar issue. This resolved it for me. I followed these instructions first.
In the UI (not he VM), try setting File|Preferences|Display|Maximum Guest Display Size to None.
This then let me go to the guest and set the screen resolution to something way bigger than my monitor could handle.
I shutdown the guest then went back and set the Maximum Display Size to Automatic again.
Restarted the guest and the screen resolution was working dynamically as it did before.
In the UI (not he VM), try setting File|Preferences|Display|Maximum Guest Display Size to None.
This then let me go to the guest and set the screen resolution to something way bigger than my monitor could handle.
I shutdown the guest then went back and set the Maximum Display Size to Automatic again.
Restarted the guest and the screen resolution was working dynamically as it did before.