Question my gpu is lagging

Jan 11, 2021
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I have motherboard ASUS P8H61-M LX3 R2.0
I was running it with its integrated gpu, then i bought asus gt 730 d3 2gb and i put it in, when i switched to the new gpu, pc became way slower and couldn't run games that integrated could, can anyone give me solution for this?
 

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