Dark residue on heatsink

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theredx219

Honorable
Feb 8, 2013
66
0
10,630
I removed the AMD FX-6300 from my system the other day, and cleaned off all of the thermal compound on both the heatsink and the CPU. However, on the cooler, there is this black residue that won't seem to come off, no matter how many times I wipe it with alcohol. Is this normal? Is it removable? Is it alright to apply new thermal paste and install the CPU in a new system? The processor was in a new computer and only had a few hours of use if that matters at all.
Pictures:
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Solution
M
Hi

Some thermal materials attack aluminium and should only be used on copper
I would not worry and go ahead apply good quality thermal compound
If you try using emery paper or similar you risk making the surface curved rather than flat making it less efficient.

Regards
Mike Barnes
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mbarnes86

Splendid
Sep 16, 2010
3,839
7
26,965
Hi

Some thermal materials attack aluminium and should only be used on copper
I would not worry and go ahead apply good quality thermal compound
If you try using emery paper or similar you risk making the surface curved rather than flat making it less efficient.

Regards
Mike Barnes
 
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