Best Choice: If you have a damaged or defective I/O board flex cable in your laptop that is not working properly, this a1465 power audio board cable is the perfect solution to your old flex cable not working problem.
Function:This 821-1721-a I/O Board Flex Cable connects the I/O board to the logic board.
Compatible Model:Compatible for MacBookAir6,1 Mid 2013 (MD711LL/A, MD712LL/A).
Compatible Model:Compatible for MacBookAir6,1 Early 2014 (MD711LL/B, MD712LL/B).
Compatible Model:Compatible for MacBookAir7,1 Early 2015 (MJVM2LL/A, MJVP2LL/A).