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CPU with always high temperature

Last response: in CPUs
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June 25, 2013 8:40:59 AM

Hi!

I wrote a while back about the low performance on my computer.
To sum up, I've bought a Z77X-D3H motherboard (http://imgur.com/W3UwyPP,o4oGfx4,VfIpcon,70aceKY,I9VleN...), an i5 3470 (http://imgur.com/W3UwyPP,o4oGfx4,VfIpcon,70aceKY,I9VleN...), a AMD HD 7950 (http://imgur.com/W3UwyPP,o4oGfx4,VfIpcon,70aceKY,I9VleN...) and the PSU is a NOX xtreme 620W.

The problem was that the performance in videogames was awful (very low FPS). After reinstalling the SO, installing different drivers and stuff I gave up for a while. Today I decided to try again and I've run the 3DMark. My surprise was that the CPU score was extremely low (around 200 when it should be more than 3000). I looked it up and I found that it could be a heat problem. I live in a cold area (we never go up 30ºC in summer) and I've never had this kind of problems. I decided to looked at it and everything seemed OK except the CPU itself, which in a normal condition never goes below 60ºC and it easily reaches 100ºC after a couple of minutes running something "heavy". This two screenshots shows the temperature right now (doing basically nothing): http://imgur.com/W3UwyPP,o4oGfx4,VfIpcon,70aceKY,I9VleN...
http://imgur.com/W3UwyPP,o4oGfx4,VfIpcon,70aceKY,I9VleN...

The rest of the system seems fine (GPU is at 23ºC normally: http://imgur.com/W3UwyPP,o4oGfx4,VfIpcon,70aceKY,I9VleN...) and I've never encountered a problem like this before.
The CPU is brand new (less than a month) and I use the fan that came with it, which seems working correctly.

The case is completely open and I can touch the rest of the components without any problem.

What should I do?

Thanks!

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a b à CPUs
June 25, 2013 8:46:06 AM

how did you install your CPU heatsink? and which heatsink do you have?
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a c 834 à CPUs
June 25, 2013 8:48:17 AM

Did you apply the paste and heatsink coorectly. What do you use for thermal paste?
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June 25, 2013 8:50:47 AM

Try CoreTemp to see what it shows for CPU temps.
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June 25, 2013 8:57:14 AM

Are all of the pins in solidly, they are a pain.
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June 25, 2013 9:02:54 AM

Jim_L9 said:
Try CoreTemp to see what it shows for CPU temps.


This is the result: http://imgur.com/NI3p9To

SR-71 Blackbird said:
Did you apply the paste and heatsink coorectly. What do you use for thermal paste?


I didn't use any aditional thermal paste. The bottom of the CPU fan had these three lines (http://img.tomshardware.com/us/2008/03/03/cpu_cooler_ch...) with the thermal paste already applied. I supposed it was enough.

I'm quite sure that the fan is correctly installed because it runs nicely (as far as I know) and it's well fixed with the 4 pins.
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a b à CPUs
June 25, 2013 10:27:20 AM

Hello... Things I've noticed from Pics...

1) Pic 2... your CPU Core Voltage is set LOW... Typical 1.128

2) Pic 1... your hardrive is reporting very high Temp...

Do you have your motherboard BIO's CPU FAN set for operation PWM/ON/Enable ... and have no Quiet Operation enabled?

Do you have your monitored plugged into your graphics card... and not your Motherboard video connector?
Do you have your on chip Video CPU disabled in your BIO's? Do you have happy ( video card and other drivers)... when looking at your "Device Manager" in windows... When you run your video tests?

What are Your WINDOWS EXPERIENCE INDEX numbers when you run that test?
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June 25, 2013 10:40:09 AM

Ironsounds said:
Hello... Things I've noticed from Pics...

1) Pic 2... your CPU Core Voltage is set LOW... Typical 1.128

2) Pic 1... your hardrive is reporting very high Temp...

Do you have your monitored plugged into your graphics card... and not your Motherboard video connector?
Do you have your on chip Video CPU disabled in your BIO's? Do you have happy ( video card and other drivers)... when looking at your "Device Manager" in windows... When you run your video tests?

What are Your WINDOWS EXPERIENCE INDEX numbers when you run that test?


The voltage changes and sometimes reaches 1. I guess it depends on the work it has to do.
Yes, my monitor is connected to the 7950 graphic card instead of the motherboard one. I have all the drivers installed.

This is the Windows experience index (the processor should get a higher score, shouldn't it?): http://imgur.com/Fg3Exdb
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a b à CPUs
June 25, 2013 10:53:27 AM

Yes your CPU WEI is very low... and Your SSD WEI is very low...
well you need to verfiy WHY... the CPU voltage is so low... 0.3 volts is lot in the little world of CPU's !!! and should not fluctuate !!! set to 1.128.
Do you have "ECONOMY" Motherboard operation mode set to ON? make sure you have a performance setting enabled.
Do you have your motherboard BIO's CPU FAN set for operation PWM/ON/Enable ... and have no Quiet Operation enabled?

You have a hot and low performance runnng CPU right now... re-set your motherboard to default setting to start with, save and re-start... and verify setting I have suggested... Please : )

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