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hey, i think im gonna head to best buy tomorrow and by some artic silver 5 (AS5) thermal compound. How do you apply? Do you remove the old glue? No right? That would shock the core right? So I should just apply it OVER the old compound right?
let me know plz
thanks guys
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Dreams are just like memories from another life...
Someone stole all my credit cards, but I won't be reporting it. The thief spends less than my wife did.
First, was it thermal paste or epoxy? If it was epoxy, your best bet is to re-apply a LITTLE BIT of new epoxy to both the heat sink and the CPU. Epoxy comes in two parts, a Resin and a Curing Agent. Most PC's should NEVER use epoxy on a CPU. It's bad practice, but some Pre-Fab companies (HP, Dell, Compaq) use it anyway. If it was thermal paste, grab a package of lint free, no static electronic wipes also. Put a little bit of alcohol on the wipe and clean off the thermal paste as best you can from both the Heat sink and the CPU core.
If you have a heat spreader on the CPU it's not a big deal, but if it's an exposed die/core For God's Sake, be gentle. When applying the new thermal paste, put a little bit on the edge of a credit/business card, and simply wipe it across the top of both surfaces. It doesn't take much. You're just trying to fill the microscopic pores in both surfaces to conduct the heat better. Too much paste is counter productive to what you are trying to accomplish. If you're wondering if you should put on more paste, you've probably already applied too much.
A full tube of thermal paste is probably more than you would ever use in a lifetime unless you are building PC's for a living/hobby. Get one of the mini one shot paper tubes or something.
Best Buy does indeed sell AS. Got my last tube there. As for the rest, Lun was spot on. It is EXTREMELY unlikely that a custom made machine would use any sort of epoxy to seal the heat sink and processor.
Either way, you are better off cleaning both surfaces thoroughly if possible.
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God can't wrestle. (Genesis 32:24-29)
+1 on what lun said.
Intel chips are much easier to work with in this regard because the core itself is fairly protected. You have to be very careful putting thermal compound on AMD chips due to the exposed die/core.
If you can get your hands on some Shin Etsu G751 compound, go for it - that stuff is amazing. Its not the easiest to apply, but it works much better than Arctic Silver or any of those others.
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Try to suffer from the disease for which you are being treated - your EMT has a reputation to uphold.
today i accidentally removed my heatsink from the processor
Dam Munky!
as are the others saying stay outta the box if you dont know what yer doing. 
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