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Ridiculous processor temperature (over 100C)

post #1 of 9
Thread Starter 
My parents have this rather old gateway computer running an AMD 3700+
When i checked the processor temperature about a month ago, it was at around 50-55C idle which is high

Its CPU fan was running really loud so i cleaned all of the dust out - also to help the temperature go down

I turned it on and that baby was on FIRE!!! 118C IDLE!!!!!!!!! 4x what my computer idles at

can anyone think of why its so hot? I didnt take the HSF off or even move it, just whiped some of the dust off
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post #2 of 9
Could have bad contact with the CPU, the thermalpaste could of died, the stock heatsink could be naff, faulty temperature sensor, just a hot CPU

Does the Heatsink feel hot when the computer is on load?
    
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post #3 of 9
Quote:
Originally Posted by turbochargedcow View Post
My parents have this rather old gateway computer running an AMD 3700+
When i checked the processor temperature about a month ago, it was at around 50-55C idle which is high

Its CPU fan was running really loud so i cleaned all of the dust out - also to help the temperature go down

I turned it on and that baby was on FIRE!!! 118C IDLE!!!!!!!!! 4x what my computer idles at

can anyone think of why its so hot? I didnt take the HSF off or even move it, just whiped some of the dust off
TIM needs reapplication, maybe?
    
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post #4 of 9
Yah pop off the heatsink for sure and apply some new thermal paste....
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post #5 of 9
Reseat the heatsink anyways with some new thermal paste. then again the chip's probably fried anyways.
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post #6 of 9
sounds like the fan stopped working? I would re-apply thermal paste, and or replace the heatsink and fan. I hope you immediately turned if off after that.
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post #7 of 9
Quote:
Originally Posted by tehpwnerofn00bs View Post
Reseat the heatsink anyways with some new thermal paste. then again the chip's probably fried anyways.
Not necessarily. It would shut itself off before it "fries."

Modern chips don't spontaneously melt or fry or self-destruct.
    
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post #8 of 9
Thread Starter 
Oh the fan is a 120mm and its running at 2600rpm - i even added a fan on the case to help

I just went in the bios again - its fan wasnt maxed and was idling at 65C, then i watched it go all the way up to 118C without running anything

So sometimes its down around 65C but randomly gets really hot (processor still having 0% usage)

idk how clear that is


and about the chip melting... i would acutally like it to melt lol
I really hate that computer, and i'd love to build them one so its not so loud!
i can hear the thing from 100 feet away
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post #9 of 9
I'd say to seriously clean out the heatsink assembly, or buy a new one with a fresh set of AS5 and it should be under control. Temps like 75-85c won't kill a CPU, but 118c is too high, there is a risk in that chip melting because the motherboard determines when to shut the CPU off if it gets to hot. Find the setting in the bios and tell it to shut down at 85c. I don't know the melting point of a CPU.. but 118c is well beyond 250F.
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