As much as I know, you can't turn off the light, you can only dim it. The only solution to get rid of that annoying light is to either unplug your TV when you sleep or to cover it with something. Some people say that there is a "sleep mode" option, but I don't know if that works or not. I didn't try it, because, for me, this light is not a problem I even like it. I've also ordered LED lights from ukled.co.uk in the dorm. I don't like it when it's totally dark in the house, it doesn't feel secure.