Little FPS at once?

I bought a PC at the end of 2017:

GTX 1060 6 GB
Intel Core I 7 eighth gene
16 GB Ram

At first all the games were running smoothly. (Partially several 100 FPS)

But now nothing works. In Minecraft only 10-40 FPS. GTA, CS: GO, etc. Are pixelated and stored extremely. Fortnite works fluently, but also videos cut and render is easy.

What can be responsible for this?

Try updating your pc, updating video card drivers or doing a virus scan

Rebuild Windows in an emergency

I have the exact same components. Same problem. I have the graphics card removed, maintained and reinstalled. Driver reinstalled and everything as before. Kp why, I'm not a pro. Also, try overclocking😊

Thanks in advance. Where do I install the driver?