Pink lines suddenly appearing on displayMy macbook's main display has mostly horizontal pink lines that flash within certain fields on the screen that are...
Answer to "Pink lines in white space, green lines in black space?"Same problem with a mid-2009 core 2 duo unibody. Output to external monitor is unaffected. Applying pressure to the laptop right between the two fans temporarily fixes the problem. I have it under control right now with some packed electrical tape inside the enclosure to apply pressure, but I am only considering this solution as very short-term.