Samsung HPN5039 50 in. Plasma HDTV "snowstorm screen" Questions

...patch on the screen has a snowstorm type effect for a short time untill the screen warms up .Is this a sign that something is about to fail? no , nothing to worry about it all plasma tv do this ...

screen and can hear the sound. i have tried all the HD and scart ports, i dont even get a snowstorm. i cant adjust any settings, as i cannot see the menu. there is a red light on, on the back where it