原帖由： Dan ,
Apple never offered this model with a backlight. Yes, newer models now have it. But the amount of work to retrofit yours would be very difficult. Just review this IFIXIT guide: [guide|10445|MacBook Air 11" Late 2010 Upper Case Replacement] you will need to get a newer version of upper case to swap out yours with and you would need to figure out how to convert it to work with your system. Given the costs it would be cheaper getting a newer model that had the backlight (new or used) and sell yours.