Fix Fault Zenith

i was was watching cable when the tv just shut off, tried resetting cable box and internet box no luck! no power no lights absolutely nothing

I can't get my 1996 Zenith television model number H2707DT to switch to auxilary. There is no button on the remote or the control panel to get the television to switch input to watch a dvd. The dvd pl ... more

it has a great picture but after its on for a min. a black SQUARE Box pops up in middle of screen. how do i get it to go away

zenith model b27a24z tv. when pressing power button on tv it will not come on and makes when pressing the power button makes a hissing noise. help

my picture will be clear, than fuzzy for a little and then clear again and it does this constantly while watching. can this be fixed and why is it doing this