1.The Adapter card into the computers solid-state hard disk socket insertion is not in place, you can use a little force.
2.The hard disk is used incorrectly. Some buyers will install M2NGFF hard disk based on SATA protocol, so it will not work.
3.The installation disk of the system must be 10.13,6 version or higher.
4.The partition format of hard disk is not correct. It is not recognized when installing the system. It must be GPT (GUID) partition format. Be careful not to use any Windows partitioning software to partition the hard disk into PE system, otherwise it will bring numbness to the later installation work.
5.Do not install the system from the network, nor try to restore the system with yourbackup, because the old and new versions of the for Apple system disk format is not the same.

Product Master Control: No
Product Interface: M.2 NVME KEY-M
Support system: For MAC 10.5 or more
This adapter card and hard disk can replace thehard disk of the following type of notebook computer.
For Macbook Pro retina A1398 A1502 2013 version (ME864 ME865 ME866 ME293 ME294)
For Macbook Pro retina A1502 A1398 2014 version (MG 72 MGX82 MGX92 MGXA2 MGXC2)
For Macbook Pro retina A1502 A1398 2015 version (MF839 MF840 MF841 MJLU2 MJLT2 MJLQ2)
For Macbook Air A1465 A1466 2013-2014 version (MD711 MD712 MD760 MD761)
For Macbook Air A1465 A1466 2015 version (MJVM2 MJVP2 MJVE2 MJVG2 MMGF2 MMGG2)
For Macbook Air A1466 2017 version (MQD32MQD42MQD52, Model A1466EMC3178)
Colour:green
Material:PCB
Size:22 x 13mm

Package Contents:
10 x Adapter Card