M.2 NVME SSD Convert Card Interface: M.2 Apply to: AHCI Protocol 2280 PCIe x4 M.2 A1465 A1466 A1502 A1398 M.2: M Key Compatible with: 2013 2014 2015 Pro the reasons for not recognizing the disk are summarized as follows: 1. The card adapter is not inserted into the socket of the SSD computer. 2 the hard drive is wrong some use the M.2 protocol SATA hard drive to install pls help to check your hard disk protocol and send a photo to us. 3 the system installation disk should use version 10.13.6 or higherchoose GPT GUID partition format. 5 pls do not install the system from do not try to use your original backup to restore the system because the old and new versions of the system disk format is not the same. Download the system make a 10.13.6 disk system installation install from USB disk. 1. Support Following M.2 PCIE-AHCI SSD: XP941/SM951MZHPU128HCGM MZHPU256HCGL MZHPU512HCGL SHPM2280P2 / 240G / 480G The following PCIe SSD does not support: SMIE PCIE-NVME/PCIE-NVME PM951 MZVPV128HDGM MZVPV256HDGL MZVPV512HDGLand other PCIE-NVMe SSDs. 2.please turn off the sleep function of the system after installing the . Colour:Green Material:Metal & PC Package Contents: 1* M.2 NVME SSD Convert Card Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. About Us We provide the good product with the best pricewe support Wholesale/Drop Shipping Order 1. For Drop Shipping order please remark"dropshipping order" we will prioritize it. 2. For Wholesale/Drop Shipping orders if you have any ideas about the price or packageplease contact us in advancewe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip code especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the orderplease contact us in advance we will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packageplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problem please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !