CPU 90*C Plus Overheating!!!

lundi48urnley

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Oct 1, 2013
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I have a g620 CPU with stock heatsink and fan which has been sitting happily in my homebuild pc running CPU intense games at around 60*C. Yesterday I turned my PC on and watched a movie and I was getting warnings of 90*C+ temperatures. The CPU was only being utilised 20% max whilst running the movie. I shut down my pc and left it for an hour or two then switched it back on to find it was giving me warnings at startup and even if I didn't run any programmes. I have checked the heatsink and fan which were in place and cant fathom how this has happened. Can anyone help?
 

jwk3

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Feb 29, 2012
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are all of the plastic push-pins clicked in place? you should see a kind of bell-end (excuse the term, it's the best way I could think to explain it) on each corner on the other side of the motherboard. can you confirm how old the build is and if you did any temp testing when you first put it together?
 

lundi48urnley

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Oct 1, 2013
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It has peaked at 101*C when Mcafee was updating today. COuld it be a problem with the software lying about the high temperatures or is it very reliable. The thing is nothing has changed on the system. The only thing I can think of is that the temperatures seem to go down when I run task manager, the cpu goes down from 35% usage to 2%. Was wondering if this could be the sign of a virus?
SOrry the software I am referring to is intel desktop utilities (came with motherboard)
 

scout_03

Titan
Ambassador
the software would not made overheathing there is something that do this ,did you peel of the little plastic film under the cooler before putting in on the cpu ,i would do a full recheck of the cpu and cooler install even repaste and see if you plug the cpu fan in the right header in you board have 2 of them .
 

blade of grass

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Jul 16, 2012
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The Tcase has a rated maximum of 69.1 degrees, but the Tcase is not the same as the TJ Max (which is what most softwares display).

Have you tried reseating the heatsink and re-applying thermal compound?
After that, can you download and use CPU-z to tell us what voltage your processor is at?