Check if you turned your PSU on from the back and try restarting from the motherboard directly, there will be a little button on your motherboard. If that doesn't work then try reconnecting the cables. Hopefully that fixed your problem
Check if you turned your PSU on from the back and try restarting from the motherboard directly, there will be a little button on your motherboard. If that doesn't work then try reconnecting the cables. Hopefully that fixed your problem