I am having a SIMILAR problem with my N9. They lines are very faint, but they are in several places throughout the screen running from the left edge all the way to the right.
I seached the and this was the only thing I could find that was close. Anyone have these kinds of screen issues with an N9? It hasn't been dropped or otherwise mistreated.
Help?

EDIT: Sorry, I didn't realize this exact topic got added to a different N9 screen thread in the final posts...