MacBook Pro Retina Early 2015 will not read an SD card (transcend 64GB)?
SD card will not mount, card work when in camera but i can't download images to my Macbook.
MacBook Pro with Retina display, OS X Yosemite (10.10.5)
What shows in System Profiler?
\OS X: About System Information and System Profiler - Apple Support
Does it appear in Disk Utility?
Do other SD cards work in the Mac