CPU Temps mystery.

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Joined
7 Sep 2011
Posts
49
Hello, smart people.

Here's a riddle for you to solve as i have failed...
Hardware in question is i7-5930K CPU in Asus X99-A, 16gb of DDR4 2133 RAM(4 sticks), RTX2080, 1tb nvme, 128gb sata ssd (boot), 6tb sata spinny storage.
Software: Win10 and for monitoring cpu temps - CoreTemp 1.17.1.

Situation as follows: Start the computer, start coretemp, leave it alone, come back to cpu baking at ~80C idle (cpu repasted ~6months ago, not first rodeo in this). So, logical thing is to check whats chewing on CPU by using task manager, and AS SOON as i start that temps drop to normal 30-35C. Nothing chews at cpu, at least not obviously. And also as long as taskman is running it never goes past 30-35C normal temps (unless i start something CPU intensive). No unusual software autostarts and hangs about while idle. Even at not complete idle (i.e. me watching funny cats on youtube) will trigger temp rise randomly if taskman is not present... Case is open, coolers be spinning, etc.
No device conflicts or yellow exclamation marks, drivers present etc...
And no, i'm not reinstalling windows as some of the ancient software i'm running here is a pain to get started on fresh install...

Its the whole schroedinger cat thing where mere fact of observation influences the outcome... No idea whats going on. So now as soon as i restart i also start taskman to keep temps down...
Any ideas ?
 
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