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CPU stuck @ 100% unless task manager is open
I'm not sure why, but my CPU has been stuck at 100% load all the time for the past couple of weeks. I have a core temp gadget running to monitor it, and have been trying to figure out what happened. I have uninstalled all games and apps that were installed since the problem occurred, eliminated all unnecessary processes, ran avast, malwarebytes, ccleaner, and spyware S&D. I started getting nvidia driver crashes as, so i updated those and am still getting them.
My system idle process was running pretty high. It was showing 98% system usage in task manager, and the cpu usage will show in the 50's. It has recently started happening that all 4 cores on my cpu are stuck at 100% unless the task manager is opened. As soon as it opens, that cores all drop down to 1-5%. The main reason I'm concerned about it, is the temperatures of the cores. Normal temps are high 20's to low 30's. But without task manager opened, the temps are up in the 50's. I'm trying to avoid having to wipe and start over, but if it'll save my cpu from baking I'll have to. Any ideas?
Win 7 Ultimate 64 bit
i5-2500k
Gigabyte z68ma-d2h-b3
8gb 1600mhz
gtx 460
Xonar Essence STX
Samsung 830 256gb (os & games)
Seagate 2tb (media & storage)