Here is how to fix the vertical lines on the macbook
i have seen many threads and wanted to point out this easy fix
1.Restart computer while resetting pram (hold command,option,p,r) until you hear chime twice
2.Go to system pref.
3.go to displays
4.change resolution to anything but max
5. change resolution back to normal
6. restart computer
FIXED!
please try this and let me know if it works for you too
i have seen so many threads complaining about this problem, and this has fixed it for everyone i know of
i have seen many threads and wanted to point out this easy fix
1.Restart computer while resetting pram (hold command,option,p,r) until you hear chime twice
2.Go to system pref.
3.go to displays
4.change resolution to anything but max
5. change resolution back to normal
6. restart computer
FIXED!
please try this and let me know if it works for you too
i have seen so many threads complaining about this problem, and this has fixed it for everyone i know of