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Offline darko2021

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CPU over heating
« on: January 03, 2011, 01:28:48 PM »
Hi, I am trying to figure out exactly what is going wrong with my pc. It started about a year ago when my computer would just randomly shut down under large processing loads (movies and music mostly). I downloaded speed fan and noticed that the cpu was getting very hot 90+C so I opened up my computer and cleaned out the heat sink as well as reapplied thermal past to the processor. After all this I started up my computer and it still was over heating. since then I bought a laptop and the pc has just been sitting in the closet but I am going back to school and my girlfriend needs a computer while I am away so I am looking to fix this problem. I suspect that it is the power supply but I guess I don't know how to isolate if that is in fact the issue. Here are my specs.
PSU=enermax 460watts
cpu=amd 64bit 4000+ running at 2.6 hz
GFX=ati9550s
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Offline guestolo

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CPU over heating
« Reply #1 on: January 03, 2011, 02:17:19 PM »
sounds as if your overclocking a bit
Have you thought about going back to stock 2.4 ghz setting?
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Offline darko2021

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CPU over heating
« Reply #2 on: January 03, 2011, 03:36:03 PM »
Sorry, I actually got that number wrong. I am not overclocking and yes you are right it is 2.4ghz. what could be causing this? My mobo is an abit av8 if that helps.
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Offline guestolo

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CPU over heating
« Reply #3 on: January 03, 2011, 04:00:36 PM »
Have you tried running the machine with the side cover off?
Pay attention to the temps

When you removed Heat sink, did you use Isopropyl alcohol and remove all the old thermal paste?
Did you reapply new thermal paste per instructions, too much is not always a good thing
Heat sink properly seated?
Fan spinning? going correct direction if it was removed?
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Offline darko2021

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CPU over heating
« Reply #4 on: January 03, 2011, 06:32:38 PM »
yes I have tried running the computer with the side cover off and the temps still go way up. it's strange, the temps stay around 60-70c when I first start up the computer but slowly go up. When a program runs and the cpu usage goes up the temp jumps up to 90-100c. I can't figure it out:( It seems like the temp goes back down quickly when the cpu usage goes down which makes me think the fan is working and it's a psu problem (The fan appears to be running fine and in the right direction). I also was very careful to remove old paste with iso alcohol and didn't use to much.
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Offline darko2021

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CPU over heating
« Reply #5 on: January 06, 2011, 05:16:41 PM »
Any other ideas?
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