Hardwear Conflict System Interrupts keeping one core at 100%

R

Rob Littler

I've had this problem on my Clevo P650RS laptop for around a year now and have found no long term solution.


When in hybrid graphics mode the process System Interrupts is keeping one core at 100% (that's 12.5% overall) utilisation with about 20W of power consumption, this leads to a battery life of about 1:40 rather than the 7 hours I used to get and contstant loud fan noise. This does not happen in discrete mode without the intel GPU , and I get a normal 4 hours battery life.


The only solution I have found is that after booting I can go into device manager and disable the Nvidia display adapter then re-enable it. the laptop then functions normally for the rest of the session, the fix persisting through hibernation, but upon reboot system interrupts is back pegging one core to the max.


My laptop's Cofiguration is as follows:


Clevo P650RS

Windows 10 Home V. 1909 build 18363.720

CPU Intel I7-6820HK

GPU Nvidia GTX 1070

16GB RAM

128GB Samsung NVME SSD boot drive + 1TB M.2 SSD + 480GB SATA SSD


Latest Intel and Nvidia drivers are installed.


Any suggestions to fix this would be greatly appreciated.


Thannks,


Rob.

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