AMD Phenom II X4 955 overheats!

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viperi

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Aug 31, 2015
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I'm having problem with my cpu overheating. It's core temp. can reach up to 85-90 C when putting it under stress test with OCCT program. In idle mode it's temp is arround 48 - 50 C.

The things I tried to do to fix the overheat problem:

- Added another small system fan (now I'm having 1 large fan for output air placed on the back of the case, and one small one which is on bottom)

- Turned my power fan towards my graphic card (it was placed to blow air outside on the bottom)

- Removed my cooler from the CPU (Shuriken B), cleaned CPU with acceton and minimized the thermal paste layer by using a credit card to leave just a thin layer of it

With all of the above things I've made, my CPU temp is still up to 85-90 C when it's in stress test mode.

The thing I've noticed is that my case gets very hot above my CPU
 
Solution
B
Don't ignore the facts

Your cooler cannot dissapate 125W it is rated at 95W
Your CPU is shutting itself down because the temperatures are hitting unsafe levels (90)

These are facts.

Everything else is supposition. But maybe you have messed with fan speeds, maybe the chip is toasted and leaking current all over. maybe your temperature sensor is screwed.

Either way, the facts stay the same and your cooler is not sufficient. Fix what you know is wrong, then guess at what might be wrong.
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It could be an internal failure, but if you cover the whole cpu with thermal paste, that could actually insulate it.
If your heatsink and fan are bad or dusty, you could dust them out, or get a Hyper 212 EVO (Kappa) and also some Arctic mx4 or silver 5

bear in mind that you only need a little amount (Like the size of an uncooked grain of rice) or thermal paste on the heatspreader. A little goes a long way.
 
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Sorry to correct myself I didn't cover the whole CPU, then the heatsink surface with a small layer of thermal paste using my credit card and slided it to make a very thin layer of it and removed any extra paste that was left on my credit card. Do I need to remove some parts of the paste on the sides and left only the middle covered with thermal paste?

The dust is not a problem as I bought Shuriken B like 1 month ago and there are no traces of dust on any of the vents

I've placed thermal paste similar like in this video: https://www.youtube.com/watch?v=-hNgFNH7zhQ

I've placed a layer of thermal paste only on the cooler surface not on the whole CPU. Could this be problem? The bottom of the cooler looks like this: https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcRrmKX4X3lqIDA89NSh6FqDaAyqk7qLs1Vvliy5osEVt6L0OTQx
 
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ok thanks I'll try to apply thermal paste like that and see if it gets any better. I must add that I had a stock cooler which didn't need any thermal paste as it had it on by default, and with that one my cpu was also overheating, that's why I bought new cooler
 
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hmm, your cpu might be over volted by your mobo, you should try messing with some of the settings in your BIOS, other than that, it might be an internal failure, and you might have to RMA it if you still can.
 
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I never messed up with the voltages I used all settings by default. Only thing I've noticed that cool and quiet sometimes react slow to speed up the fans when waking up from sleep. But I also tried with switching off all of thermal control in bios, and letting my fans spin at max speed all the time (which was noisy like I have airplane in my room) but it still didn't manage to keep my cpu cool when under stressed. I've also updated my bios for my MBO to the latest version.

Can you tell me where and which voltages I should lower, and to which value?
 
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Oh well it's an old computer I bought it 3-4 years ago so I can't RMA it :). I never have problems in normal usage of my computer, but in games like Flight simulator I randomlly get black screen in the middle of the game, and my computer just shuts down sometimes even without warning beeps, and sometimes I'm getting overheating beeps.
 
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Quite honestly, the stock HSF suck, especially with the stock thermal paste applied to it,

It could also have been caused by the HS being set improperly or broken fan.
Something to also note is your case airflow and ambient temps.
 
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http://www.quietpc.com/shuriken

=95W

Few things. The Exhaust Vent from the PSU should poin out of the case, not in.
You are pre-heating all the air in your case before it touches your components.

I don't know what the Stock cooler is. but I am surprised that your CPU is even functional after cooking it.

Interim measure would be to underclock the chip in power management 50%. and find a 125W cooler.

If it's still running hot, the transistors are damaged and leaking current and it's only a matter of time before it stops functioning.

 
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Well my PSU vent was pointing out, but I tought it could help if it blows inside, but that's not the cause of the problem, as I was having problems with overheating before I turned my PSU.

Stock cooler is the one you get with the CPU.

Well I'm surprised that my CPU is working normall as well... I don't know if it's something messed up with sensors, but usually my computer works fine till it shows the temp arround 80 - 90 C.

Don't you think the problem could also be cause of bios problem, or MBO maybe? I'm pretty sure I checked that Shuriken b cooler is supported to cool down Phenom II 955
 
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Don't ignore the facts

Your cooler cannot dissapate 125W it is rated at 95W
Your CPU is shutting itself down because the temperatures are hitting unsafe levels (90)

These are facts.

Everything else is supposition. But maybe you have messed with fan speeds, maybe the chip is toasted and leaking current all over. maybe your temperature sensor is screwed.

Either way, the facts stay the same and your cooler is not sufficient. Fix what you know is wrong, then guess at what might be wrong.
 
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Solution
Well I will have to disprove your suggestions, as I think I found the problem.

I did one more thing, I've downgraded bios for my MBO step by step by versions, and I realized that on one version F4 when I applied my cpu temp in idle was like 10 C lower. Now it stands that my idle temp is 34-35 C

Under stress test for over 10 minutes my temp didn't get higher then 40,5 C
http://s15.postimg.org/o5so0fl17/image.png

Now it's running OCCT for 14 minutes and temp isn't raising at all... so I think my Schuriken b is appropriate cooler for my CPU, it was just gigabyte did something with the new version of bios that was causing CPU to produce more heat, or sending wrong data.
 
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