all of a sudden i have a red line running down the side of my 2013 imac 21" why how do i get rid of it?
you cant take a screen shot of it as it doesnt show on a shot.
iMac, OS X El Capitan (10.11.4)
Posted on Jun 22, 2016 11:18 AM
Q: i have a red line down the side of my screen suddenly why?
If it does not show up in a screen shot, the display itself or its cabling has a fault. You should have Apple evaluate it and see what they recommend.
