原帖由： Gustavo Henrique ,
Well, strangely enough the lines on my macbook pro didn’t appear in the past few days, even with very heavy usage. The only thing different that I did that I can think of is that I built a new PC so the external monitor I used to plug to my macbook is now being used on the new machine. Thinking back, the problem may have first appeared when I started using an external monitor. I live in Brazil and the cost of a new display assembly is R$3500,00 (~1000USD) according to Apple. I chose not to have the screen replaced as I’m not fully confident this is a display problem.