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External SD-cards not showing in Finder

Since I've installed Big Sur, my SD-cards aren't showing up in Finder. I've done a PRAM and SMC reset and checked all the boxes in the Finder settings, but it won't work.


Is there a solution for this? The only way I can access the cards is through the homescreen.

iMac Line (2012 and Later)

Posted on Dec 17, 2020 3:29 AM

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Question marked as Top-ranking reply

Posted on Dec 20, 2020 2:29 PM

Hello bartdingen,


Welcome to Apple Support Communities. It looks like you're having issues with your SD-cards after updating to Big Sur. We understand the importance of getting this issue resolved, and we'd like to help.


It looks like you already tried to reset the SMC, and NVRAM. Nice work troubleshooting so far.


Next, try to rename the SD-card, ejected and reinsert again.


Please check out this helpful link:


About the SD and SDXC card slot on your Mac


We hope this information is useful. Kind regards.

Similar questions

2 replies
Question marked as Top-ranking reply

Dec 20, 2020 2:29 PM in response to bartdingen

Hello bartdingen,


Welcome to Apple Support Communities. It looks like you're having issues with your SD-cards after updating to Big Sur. We understand the importance of getting this issue resolved, and we'd like to help.


It looks like you already tried to reset the SMC, and NVRAM. Nice work troubleshooting so far.


Next, try to rename the SD-card, ejected and reinsert again.


Please check out this helpful link:


About the SD and SDXC card slot on your Mac


We hope this information is useful. Kind regards.

External SD-cards not showing in Finder

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