Is your Mac doesn't recognize SD card? You've tried several times still the problem persists, then go through this post carefully to fix this issue in simple steps. Well, if Mac doesn't recognize SD card then it can be troublesome situation for anyone as you will not able to access the contents stored in that particular SD card such as pictures, videos, music files and other important documents. There are various due to which Mac doesn't recognize SD card like virus infected memory card, corrupt or broken SD card, incompatible card, SD card header corruption, internal system faults and many more things. In this scenario you can try some troubleshooting steps such as rebooting your Mac system, this is the first thing you must do if you haven't done yet. Then if still nothing happens, open up disk utility and place the SD in the card reader. Give it about 30 seconds and see if anything new appears in the screen If it does, then it would be for whatever cause the cards are not mounting properly and if you press the mount option it would become accessible. If it doesn't, then you probably have broken or corrupted card. Nonetheless, there's a good news if you have lost you data from SD card and your Mac doesn't recognize SD card then you take help of a powerful third party tool .i.e Mac Data Recovery Software to retrieve those lost files easily. Mac Data Recovery Software is able fix this issue and restore all the files and compatible with all the versions of Mac OS.