You. may get a better answer posting your question in one of the forums related to the camera body you have.
If you have a recent camera body, you can go to the menu for pc connection and choose usb card reader, save the choices, and restart the camera after plugging the cable into your computer. You can then use Apple’s built-in Camera Import software to copy the files to your drive.
Or get a usb card reader, put the sd card in it, connect the reader to your computer and use the finde