The Supplied icloud account was unable to unlock this volume

After following the steps to recover the mac OS ( disk starting at "?" ) I get the message: "The Supplied icloud account was unable to unlock this volume". Was should I do?

MacBook Pro 15″, macOS 10.12

Posted on Dec 1, 2020 9:07 AM

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Dec 8, 2020 8:08 AM in response to Ibrahimss

Hello Ibrahimss,



It looks like no one has responded to your question. Here are a couple things that might help others answer your question:



  1. What specific MacBook Pro model do you have? Please see this Apple resource to help with this Identify your MacBook Pro model
  2. What specific macOS is installed on your MacBook Pro?
  3. Are you able to use your Apple ID/iCloud account and password other places, like the iCloud.com website?



Please provide as many details as you can and thanks for using the Apple Support Communities!

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The Supplied icloud account was unable to unlock this volume

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