Hello, My PC was working fine yesterday, but when I tried to boot it up today and selected Zorin OS from the GRUB menu, I just get a black screen. Here is what I have already tried: I edited the GRUB boot parameters by adding nomodeset and also tried selecting the safe mode/recovery options. How…

Hello again, checking back in after a weekend of testing. It seems to be working now, and I no longer need to switch to a TTY and back to get the graphical interface to show up. Interestingly, I also kept Fractional Scaling disabled, but I increased the font size and the window zoom a bit to compe…

Black Screen ZorinOS18

Installing Zorin OS

Aravisian November 27, 2025, 3:49pm 5

This part, in combination with black screen... Makes me think that your Nvidia card is not dumping vRAM on boot. I have experienced this one quite a few times.
Looking into it, the bug is reported:

You could try the nvidia.modeset=0 grub parameter:

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