Chosen Solution
lots of vertical lines on display screen
vijay.jadhav530 could be a bad panel, bad T-con board,Tab errors and multiple other things. That will truly depend on what your screen looks like and what you have checked. First, you will have to let us know what model your TV is. Then post some images of your screen shows with your question. For that use this guide. It will allow us to see what you see.
