go to the cumputer store and get a compound as long as it is thermal artic silver is best take the ps3 apart all the way down to the motherboard their is to rsx cip cpu were the fan goes on clean the old stuff off and apply the new compound on thin not to much put it back togeather it cost about 9.00 and ur time if that dont work it the power supply and if it is the power supply and u put the thermal compound on it better then sony any way let me know if that helps
titansalltime, July 2009