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Level 1

4 points

Catalina security update

Catalina 2021 July 21 security update seems to have put my USB out of action, what's the fix?

iMac 21.5″ 4K, macOS 10.15

Posted on Jul 24, 2021 12:49 PM

Top-ranking reply

Level 10

91,861 points

Posted on Jul 25, 2021 2:08 AM

Please, " put my USB out of action " its this the USB on the computer ?? or some external pendrive or HD ? Details please.

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