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SD card reader not detected by MacBook, how to make it show up on Mac?

Hi! I'm a photographer in trouble, Need to transfer files to my MacBook, with a usb-c port. It doesn't have an SD slot, so, I got a USB-C adapter, it should read USB and SD cards, I can see it light up, but nothing will show up on my desktop. I've tried the reader on my friend's exact same MacBook model, and it works splendidly. This used to work with my MacBook, it's simply not working anymore. I also tried charging my phone to see if my USB-C port was defective, but it successfully detects and charges my phone. Just wonder if you've got a suggestion for me. Thank you. UPDATE: I just took a look at system profile, and on the USB tab, no info is showing up, just emptiness. UPDATE 2: reseted the PRAM, now info is again showing at system profile, but still no USB reader.

Best Answered by

iBoysoft author Ciki Liu

Ciki Liu

Answered on Wednesday, May 31, 2023


Did you upgrade the macOS recently? If so, it's highly likely the new macOS has some bugs that cause your SD card reader not showing up. If not, you can fix the SD card reader not working on Mac in various ways. Check the following for detailed guides.

If the issue occurs after you updated the macOS, you can the trick below to get the SD card reader to show up on Mac.

Step 1. Open Disk Utility and check the External column. Do you see a blank drive that indicates it's your SD card reader?

Step 2. Right-click on it and choose Rename. Give a name to this card reader as you wish.

Step 3. Safely eject the card reader and re-connect it to the Mac. This time, you should see the card reader you just renamed appear on your Mac desktop. By clicking on it, you can view files and photos on your SD card.

Besides this method, you can try the following solutions to fix the SD card reader not working on Mac:

Check the SD card reader's hardware information in Device Manager. Under the Memory technology devices tab, can you find your SD card reader info? if yes, it means your SD card has no hardware issue. If not, unfortunately, your SD card reader may have some physical damage and can't be detected.

Update the card driver if you can see the SD card reader in Device Manager. Simply right-click on the card reader and choose Update driver. Restart your computer and try the SD card reader again.

Since you can find the SD card reader info in System information, there shouldn't be severe hardware issues with your card reader. Try the trick mentioned above or update the driver.

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