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Hi all, I have some problem with my MacBook Air 13" 2013. I have upgraded it with Samsung XP941 using an adapter. But after some time I started experiencing system freezes after putting computer into sleep. When I close the screen lid, and open it again after some time, when the computer is supposed to wake up the OS is frozen, sometimes i can move coursor, sometimes not. It is like clicking on a screenshot of previously open app windows. Is there any way to make it work? Many thanks

Using an M2 stick with adapter just does not work well in Macs. Send it back and either go with an Apple original or the OWC sticks that are actually built for Macs. The guide lists sticks that will work: MacBook Air 13" Mid 2013 Solid-State Drive Replacement https://eshop.macsales.com/upgrades/macb

Are you running on Sierra? Most of the machines I’ve had around from Core 2 Duo White MacBook, to MacBook Pros i7 quad core showed the same glitch one or another time. Update (06/21/2017) Actually I could have made myself clearer as my findings in relation with this Sierra problems are not strictly related to the use of a Ssd as drive. I found it spreaded all around with a wide number of machines mainly manufatured in 2010/2012 time frame, including Macbooks a1342 and Pros a1286/a1297 with all kinds of processors. Wake from stop would make the machines unresponsive for a good half minute, after which everything went back to normal. Given the wide range of different models i concluded it was a Sierra glitch, or at least of the 10.12.3 I was using as installer. Just updated to 10.12.5 and I’ll keep an eye on it to see if it’s solved.