card reader iMac 21.5 late 2015 not working
My card reader will not recognize any SDC I insert. The same SDC's are readable/writeable using an external usb card reader. I have confirmed System Preferences as suggested in several posts and by Apple to display the SDC's in Finder and on the Desktop. Disk Utility reports the SDC as MBR, formatted with Fat32 when read from the external card reader attached by usb. My macOS is Monterey 12.4.
iMac 21.5″, 12.4