Do not keep the promise like the ads say 
I was watching a movie last week and the lightning struck  the house and the house power trip. I reset the main circuit board and switch every thing on and my blue ray player switch on and then of again.  We phone mi-way to put in a claim. They send it for inspection and say \  the DVD player  on the unit switched on  with "PROT\"" on the front display. The fault is related  to faulty  audio out put  "