Question How do I fix a major lag issue

Feb 16, 2020
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So I bought a new case and transferred all the components into the new one building it by myself with the help of YouTube and knowledge. The computer started up but for some reason it is so slow and laggy to the point where I can’t do anything. I don’t know if it has to do with this but the gfx card isn’t spinning and there is a weird buzzing noise coming from around the cpu area and gfx area.
 
just the cpu over 100c?
what the gpu temp?

did you redo the cpu fan when you move to the new case?
GPU temp is normal to the point where the fan isn’t spinning since it’s not hot enough. And I never took the cpu fan from the motherboard. I left it together and but it in together.