Please use USB 3.0 interface test adapter card,because the old USB interface doesn't provide enough current for same SSD.Please connect the adapter card in your computer hard disk drive interface test or with USB hard disk box to test the adapter card,if the SSD with a test method can't identify by computer,change other test method to check the SSD,If still can't identify please try to replace a computer,this operation can be ruled out compatibility problems.

Please check your computer can support the SSD,some computer is too old,it is not compatible with SSD There are some brand computer for a particular type of SSD is not compatible,.Mac OS and some digital camera system use disk format can't compatible with Microsoft system,new SSD if there is no partition,open the 'my computer' can't see the ssd, please use the Disk Manager in Windows to delete the partitions or to create a new partition on the SSD.This product does not suppor the SSD of 2012/20 Apple MacBook Air A1466 A1465 or 2012/2013/2014 Apple MacBook Pro A1398,Please confirm the laptop models!.The original hard disk card slots,6+12 pin,support 6+12 pin SSD of the model is 2010 Apple MacBook Air A1369 A1370 (MC503 MC504 MC505 MC506) and 2011 Apple MacBook Air A1369 A1370 (MC968 MC969 MC965 MC966) laptop.

This product performance is being improved unceasingly, like has the change, not separate informs even slightly.Pictures for reference only, subject to our available products.

If it is not recognized then you will need to put your old ssd back and install either High Sierra or Mojave once, to update your macbooks firmware. Special Notes: This SSD is pre-installed with OS Mojave.

Mid 2011 macbook air ssd replacement