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Greetings,
I have a 4-year old Vizio P590HDTV10A. Last week the picture suddenly collapsed to a wide, white column down the center
of the display. No one heard any pop or other sound when this happened. The TV has sound, but will not display anything other
than this white "I"-shaped column. I have visually inspected the various boards and fuses inside the unit and have found nothing
burned, etc. Could I possibly get some tips on what to test, what parts are suspect, etc? Thanks in advance for your time!

I have the same TV with the same issue. But I also get some green lines off to the sides sometimes. Here's a video of what happens to my TV . Is it the same problem as yours? If I replace the bottom buffer board should it work? Or is there anything else that might be causing it? Thanks :D I hope this doesn't count as thread jacking :/