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Help! My GPU Runs TOO HOT!

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July 9, 2013 8:36:41 AM

Help! My nVidea 8600GT runs at 70 Degrees C when idle! Who knows how to cool it down! I keep the fan on at 70% Min to cool it but it has little effect!
It gets worrying when I start using it! It goes up to around 90-100 when doing very light gaming/viewing flash videos (HD 1080P)

NB. I do not overclock!

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July 9, 2013 8:47:44 AM

Aside from the fact that your card is old and may at the end of its life, do you regularly clean your rig? Properly manage your cables? Do anything to optimize airflow inside your case? Also, what country do you live in and what are the ambient temps there?
July 9, 2013 8:47:46 AM

Aside from the fact that your card is old and may at the end of its life, do you regularly clean your rig? Properly manage your cables? Do anything to optimize airflow inside your case? Also, what country do you live in and what are the ambient temps there?
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July 9, 2013 8:50:47 AM

That card is shot. No amount of airflow is going to save a card that puts out 70 degrees at 5% or less load. Maybe dust buildup on the heat pipes or on the block behind the fans- but my money is on the card being on it's very last legs.
July 9, 2013 8:50:51 AM

I'd try cleaning it with compressed air first. Also, sounds like maybe the fan isn't actually spinning at the reported speed. I'd visually verify that.
July 9, 2013 8:52:13 AM

Well i'm in the UK, so it isn't usually this hot (like 25C at the moment), but I clean out my very regularly and it's in the coolest part of the house. I wanted to know if there was anyway of cooling it further (besides buying hardware) and if this is normal.
My cables are all very neat, and don't effect the PC in any way
July 9, 2013 8:53:59 AM

I can hear it down there, and it is very clean, but compressed air may be a good idea...
I plan to get a new PC soon anyway, so if it is going then hey ho...

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July 9, 2013 8:55:28 AM
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ust4ever said:
Well i'm in the UK, so it isn't usually this hot (like 25C at the moment), but I clean out my very regularly and it's in the coolest part of the house. I wanted to know if there was anyway of cooling it further (besides buying hardware) and if this is normal.
My cables are all very neat, and don't effect the PC in any way


You could angle a small desk fan into the case where airflow should be coming in from (unless the walls are solid- then you *could* open the case and do that). Any other solution is going to cost as much or more than it would to buy a used GTX 460 on ebay.
July 9, 2013 8:55:53 AM

katiklysm said:
Maybe dust buildup on the heat pipes or on the block behind the fans


Well you say that, but this card has no heat pipes, only one baby fan :p 
July 9, 2013 8:56:42 AM

katiklysm said:
ust4ever said:
Well i'm in the UK, so it isn't usually this hot (like 25C at the moment), but I clean out my very regularly and it's in the coolest part of the house. I wanted to know if there was anyway of cooling it further (besides buying hardware) and if this is normal.
My cables are all very neat, and don't effect the PC in any way


You could angle a small desk fan into the case where airflow should be coming in from (unless the walls are solid- then you *could* open the case and do that). Any other solution is going to cost as much or more than it would to buy a used GTX 460 on ebay.


A desk fan might be an idea

July 9, 2013 8:56:47 AM

ust4ever said:
Well i'm in the UK, so it isn't usually this hot (like 25C at the moment), but I clean out my very regularly and it's in the coolest part of the house. I wanted to know if there was anyway of cooling it further (besides buying hardware) and if this is normal.
My cables are all very neat, and don't effect the PC in any way


Well, that is worrying. I thought you were living in the tropics. That said, there's little you can do now. You could clean the card itself and get some dust out. If that doesn't work, it may be high time to thank your card for its service and retire it.
July 9, 2013 9:05:27 AM

Ok! Thanks for the advice!
July 9, 2013 9:10:30 AM

I think you have a good idea of the severity of what is wrong with this situation, but to illustrate- see this site with a comparison of your card and a new top-ish of the line card (which should put out a lot of heat for all its performance)

http://www.hwcompare.com/14774/geforce-8600-gt-256mb-gd...

My GTX 770 maxes at about 68 degrees when it is maxxing on performance (Witcher 2 with ubersampling/everything enabled), combining that with the info above and you basically have a card that consumes 4x more electricity (which causes heat), and performs roughly equal to 10-12 8600GT's, and still puts out less heat than your card is right now while idle.

Not suggesting you run out and buy a GTX 770- just illustrating how very wrong this scenario is. I'd be willing to bet that if we hooked up a new 8600GT and took the fan off entirely that it wouldn't run 70 degrees idle. It doesn't sound like a cooling problem- its building up too much heat in the first place for an idle card.
!