

Well, digital data can become corrupted as well, and digital data corruption can even make your entire SD card inaccessible. Data corruption: If you remember VHS and cassette tapes, then you’ve probably seen and heard the consequences of data corruption with your own eyes and ears.The good news is that a brand-new memory card reader costs just a few dollars, so buying one just to verify that the one you have right now is faulty isn’t a huge expense.


Reformatting, even to all other possible formats, makes no difference. The only thing that is consistent is that if a card works, it always works, and if a card does not work properly it never works properly. "I tried many cards and could find no pattern of brand, size, type, format, age. It's unclear whether this is a hardware or software issue. Users also say that the same cards that don't work through the dedicated SD card slot work just as fine when connected over a USB Type C dongle. Formating the SD card doesn't seem to solve the issue. There doesn’t seem to be a common theme around the issue, with users experiencing issues regardless of brand, type, capacity, or format of SD cards. But Photos on the MBP using the internal SD card slot takes minutes to show photos and sometimes crashes half way through. I have a fairly new 64GB SD card which had been working fine. I was hoping that import from SD card including a preview of images would be quick on my new 14" MBP.
