AMD 2800 CPU too hot, need cooler, which one?
Usually, the problem that you have described occurs when the heatsink is not properly mounted or when thermal paste/grease is not properly applied First, make sure that the heatsink is secureNext, make sure that the conductive material on both the heatsink (aluminum) and the CPU have been applied with the necessary amount of thermal compoundArctic Silver 5 thermal compound is a very popular kind of thermal paste (Do not apply thermal adhesive to your CPU.)Make sure that there is a good amount of thermal paste on the conductive material of the heatsinkThen make sure that the heatsink is pressed very firmly against the CPU, but do not apply too much force because both your CPU and the socket of your motherboard are very fragileIf your motherboard is mounted in a case, then make sure that the case fans are not installed backwards and that you have the proper ventilationInstructions for reapplying thermal paste: If already your heatsink and CPU have been applied with thermal paste, then you should remove the old pasteTake a dab of isopropyl rubbing alcohol and apply it to both contacts; use a lint-free swab to remove all of the old pasteThen take a dab of fresh thermal compound and apply it to your CPUIf your heatsink has heat pipes that have gaps, then fill those gaps in with thermal compound as well as on the rest of the contact of the heatsink.
