This MacBook Air took a small hit on the bottom left of the screen. That caused the display to no longer display the correct data but rather just display a blue and green hue. Replacing the LCD fully restored functionality. MacBook Air Display with no recognizable content Oftentimes when a display is damaged you will still be able to see and use part of the screen. But in some cases, the screen is damaged in a way where it becomes completely unusable. In cases like the one above, the issue is just the LCD panel and a replacement will get the computer running properly again. If you need to use your computer while the display is not working, there is a mothod to using a secondary display that works quite well. Using a secondary Display The first step is to gather a couple of items you will need to connect your MacBook Air to the secondary display. You will need a secondary display with VGA, DVI, or HDMI inputs. If you have a even slightly modern TV, it will likely have HDMI inputs...