Author Topic: Virtualbox Question  (Read 124 times)

David Kiley

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Virtualbox Question
« on: March 23, 2026, 11:41:06 pm »
When I run other operating systems in virtualbox (such as windows vista), i'm able to use the whole screen space so my whole virtualbox window, no matter how I resize it, shows the whole OS in the window. If I drag the window wider, for example, it adjusts the desktop resolution to match it.

In ArcaOS though, I can only set the resolution fixed with the screen utility, and it leaves space around the virtualbox window.
See the image screenshot attached.
Unfortunately on 800x600 shows up fully on my laptop screen. Anything higher causes a scroll bar to appear.

Is it just a limitation of the arcaos additions, or am I missing something?
 

Dave Yeo

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Re: Virtualbox Question
« Reply #1 on: Today at 05:17:52 am »
IIRC, you have to use the command prompt, something like “VBoxManage setextradata “[VM name]” CustomVideoMode1 1920x1080x32” and then start the virtual machine and use the screen object to change to that resolution.

Martin Iturbide

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Re: Virtualbox Question
« Reply #2 on: Today at 08:44:53 pm »
Hello David

What is your host screen resolution? I have my host on 1920x1080 and I set ArcaOS guest with the same one.

But I like to use ArcaOS Guest on full screen using the "Host Key" (in my case is the "right Ctrl") and the "F" key. With that I toggle between windowed and full screen mode.

Regards
Martin Iturbide
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