LG 47LM4600 has blank and dark grey bars and no picture.

LG 47LM4600 has blank and dark grey bars and no picture.

It happened one day out of nowhere and there is no picture with it and can't access any menus. It is just black and really dark grey bars running horizontal.

ANSWERS:

Take the back off and look at the capacitors. Look for swollen and/or leaking ones.