One Word of warning:
If you have an AMD CPU (just look in your System Setting) be extremly careful while replacing your Cooler. Failure in setting the cooler not 100% upright or applying too much pressure to the clamps while mounting the whole thing to the cpu Socket will result in cracking the "DIE", the heart of your CPU.
[Linked Image from img508.imageshack.us]

And be sure, to apply thermal grease only on the DIE, not everywhere else on the CPU.

Good Luck

Herrmann

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