CPU Stuck at 4.1Ghz after replacing Thermal Paste

JamesHongKong

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Dec 2, 2013
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10,530
Hi all,

I've just replaced my thermal paste on my CPU and cooler - I've done this before with no issues. I took out the CPU and re-seated it fine as I have done previously.

After I restarted my computer and got back into Windows, I noticed that my CPU was running at 3.2 Ghz at idle when it usually went down to 1.2 Ghz and would ramp up as necessary when running apps/games. My OC setting has been 4.1 Ghz in the bios for years. I decided to restart and check the bios settings and nothing had changed from previous. Intel Speedstep is Auto and frequency max 4.1 Ghz, 1.32v max Vcore, hyperthreading on.

After this restart however, my CPU is now seemingly stuck at 4.1 Ghz all the time. Please see screenshot of HW Monitor in Windows.

nytw1d.jpg


I have a i7-3930k and Asus P9X79. As you can see from the screen shots, temps maxed out a bit high because of the constant 4.1 Ghz. Previously I was idling around 35 degrees. Using a Cooler Master Nepton 140XL cooler too. Pea sized amount of MX4 paste.

Does anyone have any idea on how I can get my CPU back to running at variable frequency and therefore lower the temps a bit? I appreciate that at low CPU utilisation (1-15%) temps are currently 43-50c when at 4.1Ghz but I'd rather not stress the system out unless I need to.

Many thanks

James

 

JamesHongKong

Honorable
Dec 2, 2013
49
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10,530
Quick update - after restarting I've lowered my overclock to 4.0 Ghz and I am not getting variable frequency again although it's literally jumping from 1.2-4.0 Ghz quite often. And my PC has literally just shut down totally too - i.e. it was like a power cut. After about a minute it came back on but initially the power button was not doing anything... Temps are ok at the moment so I don't know what has caused the instability.

Advice would be much appreciated.
 

JamesHongKong

Honorable
Dec 2, 2013
49
0
10,530
Ok - I have re-seated the CPU, checked for bent pins on the motherboard (there were none), reset the CMOS on the bios and everything is running ok apart from one thing which I will post a separate question on. Temperatures are ok and clock speeds working normally.