NOT Support: PM981,950 Pro ,WD Blue NvME SN570 /SN770
Important Notice: It can't support recovering from internet,important to prepare bootable USB disk driver(M.2 PCIe has no OS systerm inside,it must be erased first),if you don't know how to do this, you can ask for help. There is hibernation for all 2013-2014 Macs,you can set it to resolve this problem as guider in attached photo.If you meet unbootable after installing MAC OS,pls reset "NVRAM" by Hold Down "CMD+Option+P+R".