Hi /wsg/ I have been having an issue with my PC recently, basically my pc has started making a dull whirring noise when running. It works perfectly fine, but couple weeks the whirring noise while stop for a while but when this happens my CPU will start overheating. I have already cleaned the heat synch and replaced the thermal paste and checked that all of the fans are running. Idk what else could be causing this issue. Thx for any help.