I’m a new pc owner I built a pc n I installed a proprietary ,tested driver and now I’m having issues

I’m having trouble with my pc I installed a driver and it first shutdown my pc and went to a black screen after login then I got that fixed and now I wanna go back to the default driver that was on it at first so far I was only able to purge it but idk anything else I really need help before I really mess this up

Hello,

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