20 Most Recent Vizio Gallevia GV42LF 42 in. LCD Television Questions & Answers

sometimes changing from hdmi to composite inputs solves it.

I am not sure of the typical cost to do that sorry....but there is this product call fix your things you could use that which will not cost a lot..i have never used it before but you could try...it

Take ur hand and pushes all around the tv frame bazel see if the veritical blue line react like flashes or lighter or darker,than this tv can not be repair at all because the LCD screen itself it is the caused,the LCD screen cost same as a new tv if it is require to be replace.If there are no reaction of the blue line at all than ur tv have a circuit board problem.The T-CON board is dying,this board sit in the middle bottom of the LCD screen,must be replaced will solved this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a new refurbish T-Con board for the replacement.