#motherboard help

Hi, recently I bought a second hand pc wich has: i5-6600k Asus H170M-Plus Ram Kingston KHX2133C14 16GB Gigabyte gtx 1070 Ti Corsair cx750M 750w Nox hummer mc case I added a thermalright peerless assassin 120 cpu air cooler because I wanted to overclock the CPU. Little did I know that this...

So, about a month ago I built a new PC. It worked fine for about a week (although I had accidentally placed a cpu fan the wrong way round, causing the pc to run at extremely high temps for about 3 days straight). After about a week, one day I turned the pc on and it would load into windows and...

Yo, just want to make sure that I understand this right, I want to add another SSD (ASRock B560M Pro 4 and i3 10105F) my "Ultra M.2" slot is already in use (970 Evo Plus) so that leaves the one above "Hyper M.2" slot open, but I read that that slot can only be used on 11th gen CPUs otherwise...

motherboard has red dot could this be a burn mark or something bad?