When your CPU temperatures start creeping into the mid-80s, it's hard to resist the temptation of replacing your stock thermal paste with a premium aftermarket one like Thermal Grizzly Kryonaut or ...

Repasting is cheap and easy to do, generally. I'd give that a shot. While you're doing that, make sure no dust bunnies have built a nest in the heatsink fins. Modern systems will park cores and do ...