cpu overheating problem?

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19 Aug 2005
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Hi everyone hopefully someone here can think of some more ideas on a fix for my friends pc. Yesterday it started randomly turning itself off, during rendering in 3dsmax. However it's been fine for the last 2 years except yesterday when it started this problem.

A quick look in the bios showed it was running at 86c so I took the side of the case off and could see how thick the dust was so gave everything a clean. However afterwards it then started to turn itself off at boot. Most of the time you dont get enough time to get into bios.
I've tried reseting bios both via the jumpers and by taking the battery out for afew mins and clearing any charge left.

We went to ******s to get a new heatsink and fan as this solved a similar problem I had with an old pc. Bought a LGA775 one but it doesnt fit because the mobo has a heatsink on it that gets in the way.

Swapped the NEW fan onto his old heatsink but without any thermal paste as we didnt buy it but with no joy. Will probably go and get some tomorrow.

Basically looking for any suggestions or things that I've missed that could solve this problem.

pc specs:

packardbell imedia 1529 with afew different components
http://support.packardbell.com/uk/item/index.php?pn=PB34305701&g=1400

pentium 4 3.06Ghz
600W psu (replaced his old 300W one)
GeForce 7900GTX (replaced his old 6 series)

believe it has 2gb of ram in it now and same hdd. running xp sp2.

Cheers for any help/advice you can give. TazN
 
well bit of an update. went to take the new heatsink and fan back but ****** dont except the return of 'pc components'

oh and I popped into pc world to see if they had any grease and spoke to one of the tech guys and told him what was happening. got the answer of 'you're processor is probably dead running at 80c' :)

bought some thermal grease, applied it and it is now running at around 60c which in my opinion is still way to hot. at least it's now working so we can get on with our uni work.

as the case is very small I cant see any room for adding any more fans. is there any options he could look at to help keep the temp down?
 
Providing it's stable then it should be fine as it is. Run Orthas or some other stress test to verify this. Basically, the system should shut down before there is damage to the CPU. You'll be surpised what temps these CPUs can take before they die from overheating. Most chip manufacturers provide a ceiling before failure.

Give this a read.

http://www.huddysworld.co.uk/Techpages/PCZone_TechieTalk_7.shtml
 
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