Click on the SD card’s name to access its contents.
Finder. You will find your connected SD card and any other external storage devices in the left sidebar in Finder under Locations (or Devices, if using an older macOS).
As soon as your Mac reads the SD card, it will show up in the following locations: When everything is working properly, your Mac will recognize the SD card when you plug it in via the memory card slot.
How to fix iMac SD card slot that is not working?.
What to do if SD card is not showing up in Finder?.
Where is the SD card slot on a MacBook Pro?.
What to do if I can’t find SD card on Mac?.
How to Recover Disappeared Files From an SD Card.
Method #7: Mount SD Card in Disk Utility.
Method #6: Show All Devices in Disk Utility.
Method #4: Check the settings of external disks displaying.