M5A990x

I've seen similar topics to this but so far have seen no real advice or people who seem to explain the problem well enough, and they get advice that I've already done. Anyways, my audio setup was working perfectly fine - I had my Razer keyboard plugged into the rear green line out audio port...

When I get home from school and I turn on my computer It only starts up into the start up where it asks to click f2 to boot menu and all that but it won't let me click on anything. Then it goes black and I have to keep restarting it until I hear 5 short beeps from my motherboard then everything...