Question Laggy display

Dec 7, 2020
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I was playing a game and all of a sudden the display was frozen. I figured that it was because of the graphics card so I borrowed a graphics card to see if it will work properly. It did. I plugged back in the original GTX 1060 I had and the cursor everything, opening applications was taking really long. Does anyone know why this happened and how to fix it?
 

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