


Users on Reddit's r/macbookpro board have also reported the issue. Owners of both the new 14-inch MacBook Pro and 16-inch MacBook Pro have uncovered issues with the ability to mount and utilize some SD cards. LENTION USB-C to USB 3.0 Hub Adapter SD Card Reader for MacBook Pro Dell Lenovo. Capacities below 128GB seem to be particularly problematic. LENTION USB-C Hub to HDMI Adapter USB 3.0 SD Card Reader for MacBook Pro 13/15. Monday's report notes that while it hasn't found an underlying reason for the problems reported, many of the cases it has received have been about older SD cards.
#My macbook pro sd card reader works sometimes mac os
When I have my card reader plugged into my 7 port usb hub, & try inserting my memory sticks into it, it just blinks, & mac OS does not see it. They also stated that they could access 100% of the cards with a third-party external card reader.Īnother user details that it can take a device up to a full minute to mount an SD card successfully.ĪppleInsider could not reproduce the errors mentioned but only had a limited supply of cards on hand to test. The one I have now works, but it does not work well with my card reader, I need it for other cards memory sticks, the laptop only has a slot for sd cards. One forum-goer, named wilberforce, noted that they could not find a pattern regarding brand, size, type, format, or age. MacRumors users note that there doesn't seem to be an underlying reason why a card does or does not work. Users on the MacRumors' forums have begun chronicling the issue. Other users state that even the ability to mount the cards is inconsistent, and not even traceable across manufacturers or models. Some users report that the device can access the SD cards, but the transfer speeds seem unusually slow.
