basically ive done something stupid . i bought 4gb ram to add to my pc that only had 4gb installed in it so i could play games on my pc and i put it in when the pc was on. ive tried to turn it on and the screens black.ive tried resetting cmos and its just staying black. it looks like its starting up e.g fans spinning gpu fans spinning e.c.t . what shall i do. buy a new motherboard or is my cpu and ram fried. any ideas on what to dowould be appreciated.