GE 46gw945 52

GE 46gw945 52" Just moved from one house to another, tv was wrped in blankets and wraped in sheet plastic, it rained however the unit was bone dry when I brought it home, went to turn it on and nothing, sbot s hslf hour later I hit the power and it came on and was working fine then the menu poped up, and mutted the sound. now when I hit the menu button it does nothing and when i use the chanell buttons the menu pops up instead of changing the channels.