when I turn on tv thin black lines across screen until it warms up . t

when I turn on tv thin black lines across screen until it warms up . t

thin black lines across tv when i firstturn on then they go away when warmed up

ANSWERS:

davidjwestbrook@hotmail.com  possibly a bad driver board (cold solder joint). Post some images of what your screen shows so we can see what you see. Adding images to an existing question