Upon reboot, the screen goes completely white, then gradually more and more numerous, colored, vertical lines appear on the screen. The machine never reaches the desktop or login screen.

Some MacBook owners have reported an issue where a distorted screen appears during startup, characterized by a series of vertical, multi-colored lines.

Do you have Apple MacBook problems? We're covering the most common problems MacBook users face, what they mean, and what you can do about them.