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A1224 lock screen pw forgot how to reset

I was gifted a Mac A1224 20" desktop or iMac and has a lock screen password on start up. How do you reset it I've tried with the windows keyboard holding down the Ctrl+r and windows+r alt-r which is suppose to be the default command key as it boots up but doesn't take me toa screen where I can erase all disc data then reinstall software? How to force start in recovery mode with keyboard and not just holding power button.

Posted on Sep 19, 2023 2:21 PM

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Question marked as Top-ranking reply

Posted on Sep 19, 2023 3:03 PM

The lock indicates that the Firmware Password is required to unlock it.

see > Set a firmware password on your Mac - Apple Support


If the person that gifted the iMac to you does not have or know the Firmware Password?


Then you need to schedule a service appointment at an Apple Store or Apple Authorized Service Provider with the Mac and a receipt or invoice as proof of purchase.

1 reply
Question marked as Top-ranking reply

Sep 19, 2023 3:03 PM in response to JustinRaney2004

The lock indicates that the Firmware Password is required to unlock it.

see > Set a firmware password on your Mac - Apple Support


If the person that gifted the iMac to you does not have or know the Firmware Password?


Then you need to schedule a service appointment at an Apple Store or Apple Authorized Service Provider with the Mac and a receipt or invoice as proof of purchase.

A1224 lock screen pw forgot how to reset

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