Chosen Solution
My 30 inch cinema display has a 3 mm thick black vertical line exactly in the centre. It started as a thin red line and got a bit thicker and black after a few days. I have it connected to a mac pro 5.1 with sierra and an AMD 280 GPU with a Dvi port. Does anyone have similar experiences with a cinema display? Looking for a solution to fix this. Any advice highly appreciated. thnx in advance!
Lines are not good ;-{ If the line is static not moving that is a sign of a TAB error. Basically, there is a ribbon connection from the LCD panel to the driver board on the back of the display which has come disconnected from the glass or torn, this is a very fragile connection. There is nothing you can fix here as the connection is severed. Its also possible the driver (TCON) board has a problem as well. Again no good news as you’ll have a hard time finding the board as it’s not sold as a repair part. Bottomline: You’ll need a new screen assembly as the easiest repair, but even that maybe beyond what you want to spend. As a reference: 30" Apple Cinema Display Replacement Screen You might find a used one for less just be prepared it may have some flaws.