Vizio L32 32 in. LCD HDTV "costco smart tv" Questions

Smart TV I bought from Costco in 2013. Picture is fine but keeps switching back and forth between resolutions 1920x1080/60i to 1280x720/60p. It only goes black for a second when it does this but it is

...Smart TV in early December 2014 and have had continuous problems with it turning off at various intervals and when I use the Youtube app (pre-installed on TV), the TV freezes and I have to unplug :( ...

...smart phone and iPad air have always worked. The TV SN 04JA3CGHA11672 I The tv is a Samsung model UN32J525DAF the sn is 04A3CGHA11672. Samsung and your internet service Frontier are unable to help. I ...