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2021 MacBook Pro not reading CFx card reader

I plug my card reader into my 2019 MacBook Pro and have no trouble at all, I plug it into my 2021 MacBook Pro and it won't show up. Any ideas??

Posted on Nov 1, 2021 1:27 PM

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6 replies

Nov 1, 2021 1:37 PM in response to ANEJIP

ANEJIP wrote:

I plug my card reader into my 2019 MacBook Pro and have no trouble at all, I plug it into my 2021 MacBook Pro and it won't show up. Any ideas??


What about the built in card reader on the 2021 14" /16" MBP(?)


Show up where?

make changes to your Finder>Preferences> Sidebar

make changes to your Finder>Preferences>General>Desktop


is there an adapter involved(?) verify Apple® branded: USB-C to USB Adapter - Apple



About the SD and SDXC card slot on your Mac - Apple Support


Nov 5, 2021 6:10 PM in response to ANEJIP

I have this exact problem too. I have tried using different cfexpress card readers and both light up when plugged in but they are not recognized by Bridge, finder, etc. Both readers and this card are immediately recognized by my 2019 MacBook. I have confirmed preferences and all are checked. My external hard hard drive from OWC is immediately recognized.

2021 MacBook Pro not reading CFx card reader

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