I have a AMD Athlon 64 3500+ I have a Zalman heatsink and fan, and I also use arctic silver 5 thermal paste. Before I even boot the OS and go into the BIOS it says im running at 62 Celcius. I have followed the instructions on how to apply the thermal grease and heatsink on arctic silver's website and still doesnt get any cooler. I have never been able to get my system below 40 celcius. Not sure what to do, should I get a new heatsink, a new processor, or what?