How to prevent Photos from launching on Mac OS when inserting an SD card

[Donald M]

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I found this:

When you plug in the media, phone or card, let Photos load. Then click on the media, phone or card and you'll see a check box on the left hand side: 

 

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[wlaidlaw]

I found this:

When you plug in the media, phone or card, let Photos load. Then click on the media, phone or card and you'll see a check box on the left hand side: 

 

 

That only works until you reformat the card. Many of us do that after every download, so each time afterwards, Photos will reopen. I wish it was as simple as that. 

 

Wilson