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22 paź 2020 · I had a frozen black screen of the graphical interface with Ubuntu 18.04 VM running on VirtualBox 6.0, on Windows 8 host. Changing the Display > Graphics Controller to VMSVGA fixed it. Changing from VBoxVGA, booting for the first time, then switching to VMSVGA or VBoxSVGA fixed it for me.
11 lis 2020 · On virtualbox 6.0+ there's a UI to increase the storage size on file>virtual_media_manager, select properties of the disk you want to resize. move the slider or enter new value for increase the disk size. at this point your disk size storage is increase, but the black screen is still there.
28 sty 2022 · When I start Ubuntu it will boot and begin loading then eventually a black screen with the Ubuntu logo on the bottom. It will usually stay indefinitely on this unless I hard reset it and boot the VM again.
When I try to start a guest OS, it doesn't start and I get a black screen. I tried to disable Hardware Virtualization an 3D acelaration but the only thing that changes was the black screen that started to have a white underscore blinking.
11 paź 2020 · I'm running Ubuntu Desktop 18.04/20.04 LTS as a guest in Virtualbox on a Windows 10 host with multiple physical screens connected to the host. Every time I boot the Ubuntu VM it comes to a black screen, i.e. no feedback.
14 paź 2022 · I just resized my Ubuntu VM Disk space cause it was running low on it. I did it in the VirtualBox GUI but after resizing I couldn´t fully boot ubuntu anymore. A blackscreen stays after the loading icon and ubuntu title on the bottom of the screen. I cant revert the resizing.
9 mar 2022 · Ubuntu is known to go blackscreen if there is not enough free disk space to start the desktop environment. This happens in real PCs too. The solution is to log on text-only and delete stuff until the desktop environment can start.
