Q: SD and USB slot, My computer can read them on System information but don't show them on Finder.

SD and USB slot, My computer can read them on System information but don't show them on Finder.

I can see the SD card or USB on my System Information, so the computer can read and recognise them but still, When I want to use it through Devices in Finder, I can't see them there and therefore I can't read or transfer any data.