No too hard, but don't make my mistake.
MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Display Data Cable
Yellow Vertical Line, Goes away with moving the hinges.What had first started with the hinges getting loose on my MBP, led to a single yellow vertical line, I'd say 1px in...
"How do I test my LED Driver Board(s)?"に関する回答When my backlight went out, and everything was still great on an external, I ended up replacing the left I/O Board, and got my backlight back :]