Question about Apple MacBook Air
This could be a backlight issue, an inverter issue or a logic board issue. Look at the screen closely, if there is a faint image it's either a backlight issue or inverter issue. To weed out between the two you can just order on inverter, they're 20 bucks on ebay, if that doesn't work, replace the backlight. Maybe the new screen was not wrapped right when it was shipped, that can easily break the backlight bulb. make sure you connected the inverter to the white and pink wires correctly. Backlight repairs are somewhat difficult. As much as I would like to be able to tell you a quickfix that will solve backlight the problem, it's a pretty arduous repair that requires 1-2 hours for a trained person. It's feasible to do it yourself if you're tech savy, but you'll most likely have to google for guides that show you exactly how to replace the backlight step by step. I work for Mac Repair NYC and i have to fix this problem a lot, it's so easy to break the lightbulb in the process.
Posted on May 27, 2009
Apple doesn't provide voltage information for the Inverter Board.
If you are getting external video then check to see if there is a dim (un-backlit) image on the display to ensure it is a backlight problem. If so then the chances are good you have a failed inverter board.
Posted on Mar 01, 2009
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Posted on Jan 02, 2017
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