I was 9 hours today to work with pc, I could never leave more than 5 minutes. I have to find a solution for this, it's too sad. This systems go up to 35% as I leave PC alone for some minutes, it's really crazy.
It seems like to me that Microsoft needs better integration between there software and hardware divisions. It doesn't appear that Windows 8.1 is very well optimized to run on the SP3. I've seen Apple work miracles with software optimization and updates. I understand that Windows is a different beast because it's designed to work on many different platforms. But if Microsoft can't optimize Windows for their own hardware what chance do other vendors have to do the same?
I can't leave and wait... if I leave an wait I will have the cpu to 90 degrees and may be the system shut down that never happened, I mean, you would go around your house listening that your pc is burning? it's really sad, and then as I move the mouse or I touch one button of the keyboard, it go down. What the hell can joke with us like this? I hope soon to find somebody that has this issue like me regularly, I remember my set up, I'm working with sp3 on my left and I attached via mini display port of the Sp3 a startech adapter mdp to dvi-d to my lg w3000h 2560x1600 monitor.
May be after job I will try to see if the same issue happen without the external monitor but...... I'm really suffering with this issue now.
When this happened to me the CPU never got too high to shutdown. I have the same model SP3 as you do.
with or without an external monitor?