"Unsupported Library" cannot open my photos stored on an external drive

Started 2 months ago | Discussions thread
Jim in Hudson Senior Member • Posts: 2,362
Re: "Unsupported Library" cannot open my photos stored on an external drive

RSSrsvp wrote:

Tom_N wrote:

I held down the Option key until the dialog appeared:

Photos (El Capitan) library selection dialog

The Quit menu item was not available at this point, but closing the window by clicking the red button on the title bar had the same effect.

I held down the options key for over 2 minutes and the dialog did not appear.

Just to be sure... did you hold down the Option key before you launched Photos?  Also, what actually happened when you tried it?  BTW, the dialogue box should appear instantly so no need to hold it down for a couple minutes.

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