Is my cpu running too hot?

By takkun
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takkun

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I need some advice here's all the specs:

Mobo: Sabretooth 990FX

CPU: AMD Phenom II X4 955

Cooler: Thermaltake JING CLP0754

Case: Coolermaster RC-922M-KKN1-GP (1x 200mm 700rpm 19dBA Red LED Front Fan; 1x 120mm 1200rpm 17dBA Rear Fan; 1x 200mm 700rpm 19dBA Top Fan)

Not overclocked, default BIOS settings.

Now It's running at 68?Con idle, the supposed Maximum operating temperature is 55?C - 62?C.

So far I've changed the thermal paste a couple times, other than that, I'm out of ideas. Also I got the temp reading from the BIOS and using speedfan too, the PC boots and seems to run ok, but a few days ago it shut down a couple times because overheating.

I dunno, just ask if I missed any details.

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Wakers

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I had the same processor and it overheated and took the motherboard with it. You need to get either a better / second case fan (unless you actually have all of those fan slots you listed in the description filled?) or a heatsink on it, because it's somewhat of a known issue with them (at least it seemed like it when I was checking why mine would be so hot!).

Might be worth checking the BIOS to see what the system fan is up to - is Cool'n'Quiet enabled? Is the fan set to run at a max speed?

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takkun

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I know the pictures are bad, but you can still see the huge fans right next to the already big heatsink, which comes with 2 fans attached to it anyway, so it's either a bad sensor or all of this cooling is not enough?.

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ozgeek

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Yep very hot. That's double the temp of my Q6600 CPU and I have only a single fan and heatsink. Did you put thermal paste on properly and not too much? Did you spread the paste out before seating the heatsink onto it?

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Wakers

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I wouldn't be convinced that it's a bad sensor. Do you have another CPU laying around somewhere? Your cooling should definitely be enough though.

Fwiw, I had two case fans and an aftermarket heat sink on mine when it killed itself. You said that it had turned itself off a couple of times due to overheating, despite your extra cooling measures - so I would say something is going wrong with the CPU somewhere.

It might be worth giving AMD a call and see if they have any suggestions. They've actually been quite helpful in the past with my issue.

Just to give you an idea - my i5 2400 reaches 60? at most under load and that processor has a higher max operating temperature than yours.

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Wakers

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You could also try not using "high performance" on Windows Power Plan settings. Sometimes that does weird things with processors and hard disks.

And also - all of your case fans are extractor fans and installed the correct way around, right?

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takkun

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Yep very hot. That's double the temp of my Q6600 CPU and I have only a single fan and heatsink. Did you put thermal paste on properly and not too much? Did you spread the paste out before seating the heatsink onto it?

Yes I did, but I'm using a cheap paste anyway, I could try finding a better brand, any suggenstion?

I wouldn't be convinced that it's a bad sensor. Do you have another CPU laying around somewhere? Your cooling should definitely be enough though.

Fwiw, I had two case fans and an aftermarket heat sink on mine when it killed itself. You said that it had turned itself off a couple of times due to overheating, despite your extra cooling measures - so I would say something is going wrong with the CPU somewhere.

It might be worth giving AMD a call and see if they have any suggestions. They've actually been quite helpful in the past with my issue.

Just to give you an idea - my i5 2400 reaches 60? at most under load and that processor has a higher max operating temperature than yours.

Yes I have Another Phenom X2 but I'm not at home right now, I guess I'll try switching when I get back thanks for the idea.

Hmm to look at it from another direction, can you download CPU-Z and check on how much Mhz/Ghz the CPU runs while idle?

Yes I can, I'll try CPU-Z.

You could also try not using "high performance" on Windows Power Plan settings. Sometimes that does weird things with processors and hard disks.

And also - all of your case fans are extractor fans and installed the correct way around, right?

I'll check the power plan, and all the fans are stock mounted, but I can give them a check anyway, tho I'm pretty sure no one has removed any of them for any reason.

Thanks all of you guys you are always very helpful, I'm still trying all of your suggestions and will report back in a while.

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SkyDX

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Alright!^^ I had the same thing in mind as Wakers. My old Phenom I 9850 was constantly running too hot until I realized I had "high performance" set on my power plan so the processor would never downclock when idle and thus couldn't "regain" cooling :/

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SkyDX

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here's the reading:

Edit: power plan was set to default, i changed it to power saver.

Whoa and it runs on 68?C while on 866mhz? :blink:

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SkyDX

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This is the data, it's been running on idle for about 1 hour.

Whoa this is beyond scary, a CPU on 800Mhz shouldn't even surpass 40?C :pinch: I really don't know what to tell you then sorry, though it seems like there's no cooling at all :/ Have you a option called "Smart Fan" in your BIOS?

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derviskemal

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I have exactly the same processor, upgraded from stock fan and better thermal paste. When i first bought the thing it scared the hell out of me as i was reaching from (readings wise) 60?C to 90?C. The thing is though the processor itself (heatsink) to touch is not hot. I think these processors have weird sensors and they are being read wrong via the BIOS and therefore Windows. I really wouldn't worry about it. I tore my hair out for months trying to figure it out but nothing has happened in all this time and to touch it's relatively cool.

Let me know if you do happen to find the reasoning behind this though!

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takkun

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Whoa this is beyond scary, a CPU on 800Mhz shouldn't even surpass 40?C :pinch: I really don't know what to tell you then sorry, though it seems like there's no cooling at all :/ Have you a option called "Smart Fan" in your BIOS?

No there is something else like, asus optimized, normal and power saver, I'll double check better in a while, thanks.

Artic Silver 5 is the best

http://www.newegg.co...-_-YT35-100-007

Instructions for application is in the video. BTW my cpu is at 15 degrees C right now.

Thanks I added it to my shopping list.

What does your BIOS say? Is it similar to Windows? Have you tried something like CoreTemp as well to make sure you get a consistent reading?

I just did, the screen is below.

I have exactly the same processor, upgraded from stock fan and better thermal paste. When i first bought the thing it scared the hell out of me as i was reaching from (readings wise) 60?C to 90?C. The thing is though the processor itself (heatsink) to touch is not hot. I think these processors have weird sensors and they are being read wrong via the BIOS and therefore Windows. I really wouldn't worry about it. I tore my hair out for months trying to figure it out but nothing has happened in all this time and to touch it's relatively cool.

Let me know if you do happen to find the reasoning behind this though!

I will for sure :).

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takkun

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Ok something has changed, this setting Ai overclock tuner was set to manual, right there in the yellow type at the top, the target CPU speed was set at about 3500MHz, I changed it to auto, reeboted and the temp went down dramatically! now it's only the core temp that it's too high, I know and can do many things but tweaking a BIOS always scared me, so if anyone can give me a hand so I can get the temp back to normal I'd be forever grateful :D

Also before I posted this topic I had cleared the BIOS, (removed the battery/Moved the jumper) so I didn't really overclocked this machine but it seems it was done automatically someway, but yeah apparently overclocking was the culprit in the end...

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philcruicks

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I'd get new termal paste (Arctic Silver 5 is very good) and report back ones thats on. also follow the instructions for application...different CPU's will have different ways of most effectively applying the paste...thankfully Arctic Silver have a guide

http://www.arcticsil...om/methods.html

but basic rules are not too much, a lot of people think the more paste the better...wrong, you needs a very thin layer that just covers the CPU.

Edit: as nerd rage said update your BIOS as well.

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