Specifications

Troubleshooting Symptom Charts/Video - 4
Video
Screen dark or
appears dim
1 Adjust brightness. See Adjustments chapter.
2 Energy Saver option may be activated. Move mouse or press
any key to reactivate monitor.
3 Return monitor to Apple.
Screen flickers 1 Check that distortion is not due to environmental conditions.
Move monitor.
2 Move monitors at least 16 inches apart if using more than
one monitor on computer.
3 Return monitor to Apple.
No colors appear on
screen
1 Check to make sure that number of colors is set correctly on
Monitors control panel.
2 Return monitor to Apple.