D945GCNL Core2Duo E6600 processor heat up to 75 C ... Max TDP 65w

sachinm · May 26, 2015

Hello,

Recently I have replaced my cpu processor to Core 2 Duo E6600 where Max TDP is 65w.

Motherboard D945GCNL.

This processor heat frequently to 75 C- 77 C when doing some cpu intensive activity like Picasa refresh, Benchmarking, etc.

Kindly suggest solution.

Regards,
SachinM

Aefuan · May 26, 2015

Hello.

You should check the thermal paste, and also if your heatsink is fully seated.

Just for curiosity: Do you got a Core2Duo nowadays?

AntonyLovric · May 26, 2015

Seems a little warm. The processor should be around 60C when it's busy:
http://ark.intel.com/products/27250/Intel-Core2-Duo-Processor-E6600-4M-Cache-2_40-GHz-1066-MHz-FSB

My E6750, never gets above 45C-50C in my Optiplex 755, but it has a HUGE aluminum cooler.

You can replace the thermal paste on the current CPU cooler (get a good quality one), or just buy a new cooler, like this one:

http://www.newegg.com/Product/Product.aspx?Item=N82E16835200054

Cheers

Aefuan · May 26, 2015

I had a Core2Duo too and it never passed 55c (when thermal paste was in good state)

AntonyLovric · May 26, 2015

When you changed CPUs, did you replace the thermal paste? (Or were the coolers attached to the CPUs?)

sachinm · May 26, 2015

Hi,

Changed processor recently. Buyed used one from ebay.

Thermal paste is not branded. It has (Original Intel Celeron D 347) hitsink & Fan.

The thermal paste is black color and I have pasted fully on it. Hitsink & Fan are proper. When processor start heating the fan speed increases.

When Computer starts in BIOS it shows 61/62 C.

One more query, if processor continues heating at 75 and go down. And it happen frequently then what can happen?

Thanks,

ktolo · May 26, 2015

Celeron Heatsink pro0bably not strong enough to remove the heat the C2D is producing. Did the C2D come with it's own standard heatsink?
If not, time to think about getting a better heatsink.

sachinm · May 26, 2015

Celeron D 347 has max 85 TDP.

ktolo · May 26, 2015

sachinm :

Really? Ok - i stand corrected!

AntonyLovric · May 26, 2015

I think there are two(2) versions of the 'Celeron D 347'. (According to wikipedia). If the temperature is 'spiking' up and down, I would suspect the fan might be failing.

If you run the computer with the case open/off and have a fan pointed at the case does the problem persist? (The case fan might be failing as well).

sachinm · May 26, 2015

Yep! .. I was unaware of 2 version of Celeron D 347. Well, I have kept my processor aside. I will check the SKN value and see whether earlier processor was 65w or 86w. If earlier processor was 65w .. then also its Hitsink / fan can work with Core 2 Duo E6600 which has same 65W then... isnt this?

Thanks,

AntonyLovric · May 26, 2015

If they are both 65W TDP, then they should have similar temps. You need to remember they're different processors and 65W is approximate. The two processors have different frequencies, L2 cache size, # of transistors. (The E6600 should run a little hotter than the Celeron D at similar speeds.)

sachinm · May 26, 2015

Thank you Antony & All for giving valuable information. I will do all the findings and update you soon if no issue I see.

sachinm · Jun 23, 2015

Thanks Aefuan

At last my processor temperature came to normal 45-50 w.

Thanks all for recommendation. I removed hit sink and reapply it using thermal paste. This time I am lucky. Seems earlier it was fixing issue.

Thank You

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