So because I am using a laptop with hybrid graphics card, I installed prime-switcher to be able to switch between them, and when I switched to the NVIDIA drivers and rebooted, I am stuck at a black screen and a blinking cursor, the only thing that shows before the black screen is clean [number]/[number] or something like that. I have used prime switcher before fine, and this has never happened to me. What should I do?
Turns out I didn’t have the NVIDIA drivers installed! 
I booted into TTY2 and then typed in # prime-switcher -u to uninstall the program, then reboot and everything worked fine, I installed the drivers and installed prime switcher again.
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