Father has dementia and can't log into iMac

My father is in the early stages of dementia and has forgotten his login password to his iMac. I saw this coming a few months ago and wrote down the password he was using at the time, but apparently he's changed it several times since then. There are many files that my parents need on the computer. Is there some way to reset it so that I can get in and change the password to something that only my mother and I know? Thank you.

iMac Line (2012 and Later)

Posted on Sep 4, 2019 9:18 AM

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Posted on Sep 4, 2019 9:31 AM

Reset Admin Password


Restart in Recovery Mode (command-r). From the Utilities menu in the Mac OS X Utilities menu, choose Terminal. At the prompt enter “resetpassword” (without the quotes) and press Return. A Reset Password window will pop up. Select your startup volume in the top of the window and then, from the pop-up menu select a user account.


In the fields below enter and confirm your new password then click on Save. Now choose Restart from the Apple menu. Your Mac should now use the new password you’ve created.

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Question marked as Top-ranking reply

Sep 4, 2019 9:31 AM in response to ndelc

Reset Admin Password


Restart in Recovery Mode (command-r). From the Utilities menu in the Mac OS X Utilities menu, choose Terminal. At the prompt enter “resetpassword” (without the quotes) and press Return. A Reset Password window will pop up. Select your startup volume in the top of the window and then, from the pop-up menu select a user account.


In the fields below enter and confirm your new password then click on Save. Now choose Restart from the Apple menu. Your Mac should now use the new password you’ve created.

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Father has dementia and can't log into iMac

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