PSU failure or CPU overheating?

Hey there guys,
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=9&t=26429
Actually, I'd turn it on, and then when it fails to POST, unplug the PSU, undo the case, and then feel for myself (100 degrees isn't unbearable).
If nothing works, those components should work fine, and my friend actually had the same problem, he just RMA'd the motherboard cause it was still under warranty. The problem was solved.