Facing TV Problems? Ask a TV Technician.
Hi and welcome to JustAnswer, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.Initially, please post back with clear pictures of the screen showing these "...vertical green line in the middle of my screen...". Click HERE.These pictures would then serve as common reference.
Appreciate the pictures.
Have you tried unplugging (again) for an extended period of time?
The idea is to simulate a soft RESET and dissipate residual power.
Thereafter, try again but plug back in into a different outlet.
The longer the better since the it is also aimed at dissipating residual power.
Even if just for test purposes, plug back in directly into a different outlet; with no "power center/scrubber"
Then it would be an internal hardware issue.
The prescribed approach is to open up the TV and reseat the LVDS cables.
Hopeful workarounds would be:
Please post back how you would want to approach this and/or should additional information be needed.
I realize that the above information may perhaps be not what was expected. Unfortunately, I suspect that there is no quick-n-easy fix and neither is there a workaround; sorry for having to be the bearer of bad news.