Why blender causing my PC to restart?

GigaByte with their naming schemes & segmentation, I swear to god… :man_facepalming:

https://www.gigabyte.com/Motherboard/GA-H110M-DS2-rev-10#ov

https://www.gigabyte.com/Motherboard/GA-H110M-H-rev-10#ov

https://www.gigabyte.com/Motherboard/GA-H110M-S2-rev-10#ov

http://it.gigabyte.com/products/page/mb/ga-h110m-s2hrev_10#kf

Interesting, so it’s during heavy viewport updates. Still sounds like a fairly high load. I’m guessing it is indeed the GPU then. Was still reading through the thread though, so not sure if you have tried another GPU in your system yet or not?