I have ryzen 5 5600x processor and mother board of MSI b450 a pro max. Previous i was gaming on it now I was using that for mining now that market is low i wanted to switch it back. Gaming pc it was working fine. Now that i connected my 3060ti and put the motherboard in PC cabent set all the cables it's just not booting up no cpu sound no fans nothing changed 3 psu tried changing multiple cable switch in the end i pressed the flash bios button and redlight started for few seconds that's the only response i was getting from my pc please guide me