I have faced numerous issues with Ubuntu 18.04 lately, messed up some stuff and finally decided to reinstall it. I managed to do so in Legacy Support mode first, but it seems that in order to make dual boot worked I need to change the boot mode to UEFI. Unfortunately, when I do so, my Ubuntu system doesn't open. I wanted to reinstall it once again, in UEFI mode this time, but it results in the following error:
This seems like a graphics issue as I can hear the sound when I turn up or turn down volume using functional keys. Unfortunately, this is the case for both the Try Ubuntu and Install Ubuntu options. How can I reinstall Ubuntu and fix all of this?
I have deleted all partitions connected to Windows, but the issue persists.