My Cooler not working at all?

deafboy

Distinguished
Dec 31, 2008
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18,510
I have a Xigmatek S1283 on my Q9550. When i tried oc'ing the chip it peaked at 70'c when running Prime 95 and idle'd at 40+. I tried to re-do the AS5 on the bottom of the cooler and now it idles at 35 but goes all the way up to 85c before i shut it off. What's going on with the cooler? The fan is running at 100 % and is actually blowing cold air but it's not transferring heat.