Without starting the Guest, you can check it out via command: VBoxManage getextradata "Linux Mint" "GUI/LastGuestSizeHint" Set the screen resolution in Display Settings. VBoxManage setextradata "Linux Mint" "GUI/LastGuestSizeHint"ģ.) Finally start the guest OS. In my case, it’s “Linux Mint”.Ģ.) Next run command to force last data ( replace “Linux Mint” in command with the one you got in step 1.). Press Ctrl+Alt+F1 Log-in with your regular account (take care if yo use number with num lock - try with your login to. Copy either the name or UUID that has the problem. It outputs all VMs as well as their UUIDs. When it opens, run command to list all Virtual Machines: vboxmanage list vms #LINUX MINT CHANGE RESOLUTION 64 BIT#Im running Linux Mint 15 KDE 64 bit and my default screen is 1600x900. For the moment I just want to have a quick script I can run that will change my screen resolution back where its supposed to be then re-launch the app. Open terminal in the host machine and do following steps one by one:ġ.) Firstly open terminal from system app menu. I have an application that will sometimes crash and cause my screen resolution to change when it does. This method should work for other Linux guests. Force resolution by retrieving the last data. It remembers the display setting even after I switched the graphics controller back. Ignore the warning of ‘Invalid settings detected’ and click OK.įinally start the VM and set the screen resolution.Change the value of Graphics Controller to “VBoxSVGA”.Then navigate to “Display” in left pane and do: #LINUX MINT CHANGE RESOLUTION HOW TO#Workaround for Ubuntu by changing the Graphics Controller:įor Ubuntu, Ubuntu 21.04 Guest OS in my case, simply open the “ Settings” in VBox manager. In this video I will show you How to set a Custom Screen Resolution in Ubuntu Linux.Commands used in the video (watch the video as some commands could be dif. I snooped around on the files and found that the 'nf' file in the 'X11' directory was being used to control resolution. Force resolution for Linux Mint by retrieving last data. All of them would set the ceiling to 800 or 1024.Workaround for Ubuntu by changing the Graphics Controller.The graphics driver included in Oracle VirtualBox Guest Additions is not well compatible with the Linux Kernels in Ubuntu based Distros.īefore the upstream fixed the issue, you can either downgrade the Guest Additions or use the workarounds below: The reason seems to be something to do with the Guest Additions. Every time I need to set the display settings manually. This happens on Ubuntu and Linux Mint VMs running with VirtualBox 6.1 series. On every boot, it will revert the screen resolution to the default 800×600. Running Ubuntu or Linux mint as Guest OS via VirtualBox? You may found that it does not remember your display resolution settings.
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