I've tried to update a 42LM760S with firmware 04.01.46 The tv recognized the software and began to update the tv. Unfortuntealy the tv could not end the update and after this the tv was trying to start again. But the big problem is the that the tv won't start up at the moment , the LG screen is flickering end nothing is happening. Can enyone tell me what to do? how can i restart my television?