SD Card not showing up in Finder Sidebar (other removable drives do) - Big Sur

Since I upgraded to Big Sur, SD Cards inserted into my 2015 MPB 15" do not show up in the Finder Sidebar. They do appear on the desktop and and in Finder windows under my Mac.


Other removable drives (e.g. USB drives) show up and disappear when ejected as normal.


I checked in Finder Preferences and removable drives are checked on under the Sidebar items.


If an SD Card is mounted, I can drag-and-drop its icon to the sidebar. However, once ejected, its entry remains on the Sidebar. Clicking on it obviously doesn't work since the SD Card is no longer inserted/mounted.


On Catalina SD Cards used to behave like any other removable drives. That is, they would automatically appear on the Finder Sidebar when mounted, and I could eject them from there as well. After ejecting them they would automatically disappear from the Sidebar.


Anybody else experiencing this?

Posted on Nov 16, 2020 6:25 PM

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Posted on Dec 5, 2020 2:44 PM

Boot into Safe Mode by booting with the Shift key held down and check there to see if the problem persists.  Reboot normally and test again.


NOTE: Safe Mode boot can take up to 10 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files



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SD Card not showing up in Finder Sidebar (other removable drives do) - Big Sur

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