i7 6700 (Non K) over clocked, blue screen and now idles at 50°c

Nov 30, 2018
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I overclocked my i7 6700 (Non K) and got the blue screen of death. The computer now idles at 40-50°c instead of 20-30°c. Gaming temp are also increased to approx 70-80°c, when they used to be around 50°c. Cooler is an h110i gtx with artic thermal paste (applied correctly). 32gb ddr4 ram. Gtx 1080 graphics. It was a pretty high spec machine when I built it 18 months ago.
I've returned bios settings to default settings but the temp still high. Question is, have I broke my cpu? Any ideas?
Wish I didn't overclock a non-k... doh!!!