wk old tv help

[lisers]

i have a sony kdl40ex523  iv only had it about 6 wks and twice i have turned  the tv on to find that on a black screen it says no event found  and i have to go into the option menue and click onto the hdtv 2 option for the tv to recieve a picture can any one tell me why this is happening i also have to change the hdtv 2 to av1 to watch a dvd i didnt have to untill the tv started to play up .any one got any ideas please and is this a big  fault with the tv should i ask for a new set

[Catmambo]

Have you updated the firmware on the TV? Worth doing - details in the FAQ on the front page of the forum.

thanks

[lisers]

this is all new stuff to me never heard anything about this sort of thing for a tv  the tv manual does not mention any thing; il try  and look for it on this site . thank you