I run into folk that pull of the heatsink and forget to apply compound. There are many Youtubes about such work so I wait for more detail.
Why is the thermal paste work not an option?
So I just installed a new gpu to find out that my CPU is not good enough for it. I have an i3 qnd I got the gforce 2060 super. I put my old one back in while I wait for the new CPU I purchased to arrive and now my computer overheats to 90 to 100C with my original setup that ran fine. Nothings changed, my fan works and all I did was swap out new graphics cards. Any ideas on solutions besides reapplying thermal paste?

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