What to do: If the TV is still brand new (under 30 days) return it to the store. You can exchange it if you like, but I'd recommend getting a different brand of TV altogether.
If it's over 30 days but under 1 year you can attempt to have Zenith fix it but I wouldn't hold my breath.
You can visit www.fixya.com or consult a tech service, here you are a tech website www.tvrepairjacksonvillefl.com
fer, December 2012