Yesterday I got a PS3 and my controller is just not connecting, all it is doing it having four red flashing lights when I have it plugged in, and if I unplug it, it does nothing. It managed to work for a minute earlier but then stopped working and just had all the lights flashing again. I've already tried resetting it, and it's not working; do I just need to get a new controller? Or is there some way to fix it?