Grub should boot at the new, higher resolution, and then that resolution should continue through after you are logged in. Update grub and reboot: update-grub2 & shutdown -r now Select the resolution that works for you (in my case, 1152x864x32).Įdit /etc/default/grub to modify/create a line GRUB_GFXMODE=1152x864x32 (where you replace the resolution with the one appropriate for your environment).Įdit /etc/grub.d/00_header to modify the line if then GRUB_GFXMODE=1152x864x32 fi Enter the commend vbeinfo to see a list of resolutions. Attempting to use this ISO: Virtualbox Version 6.1.34 r150636 (Qt5.6. This will drop you into the grub console. I have attempted some different fixes but nothing appears to be working on getting my Ubuntu Server up and running in VirtualBox. Reboot the system and keep the Shift key till the grub windows appears then hit c. Identify the resolution that your VirtualBox environment supports. The answer I found was a combination of How do I increase console-mode resolution? and How to use ubuntu server full screen in virtualbox? The former provided information for changing grub's display resolution, and the latter assisted me in diagnosing why the former wasn't resulting in any resolution change.
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