Before 3-4 days I had an electricity shortage and since then when I turn on my pc all of the fans spin but my keyboard, mouse aren't recognised and I have black screen. After 3/4 restarts my bios is being reset and I can access the bios and my computer boots. The only thing I have tweaked was my memory/ I just turn on X.M.P profile /. So the question is can my X.M.P be the problem? I updated the bios and it has the same profile.