Hi. I have a 2015 iMac that has been having issues reading and copying over data (images) from our SD cards. It particularly has issues with a SanDisk Extreme Plus 128GB, 150mb/s SD Card, ExFat, but we've had issues with other cards as well. It'll mount the card, but it won't always read all the...
I started with a 2012 with the original fusion drive, upgraded to a 3tb with he 128gb SSD portion.
Since I have been through 1 HD recall that got me a new 3tb Drive.
I purchased a 2014 Retina 27inch iMac, I had a local Apple reseller replace the HD and Fusion drive into the 2014. Than I...