Just as the Mac user described above, resetting NVRAM can't disable Find My Mac on T2-secured Macs and M1 Macs. When I try checking it, it asks me for the password for an account that isn't mine 'to turn off Find My Mac.' This suggests to me that it is currently 'on', no? When I go to System Preferences > Internet Accounts > iCloud, the row for Find My Mac is unchecked, but it also says ' Find My Mac already in use'.

I tried resetting NVRAM, both using the keyboard shortcut and the terminal command. I just got a used Mac Mini (2018) on eBay, and the previous owner is still signed in to Find My Mac. But this solution can not apply to Intel Macs with T2 security chips and Apple Silicon Macs. Some Mac users reported that resetting NVRAM, where the Find My Mac data is stored, works to disable Find My Mac. What if you can not get in touch with the previous owner? There are still fixes. But some people may be unwilling to tell you the Apple ID password, then, they can remotely remove the device from their Apple ID account via to disable Find My Mac. If you can get the Apple ID password from the previous owner, you can enter the password to disable Find My Mac without any hassle. In this way, you can't disable Find My Mac straightforwardly given that the Apple ID password is always required to turn off Find My on Mac.

Perhaps, you have got a used Mac from one of your families, friends, or the second-hand market, but the previous owner hasn't signed out of his/her Apple ID account with the Find My Mac enabled. We provide solutions in this post, stay tuned to know more. However, you just found that you can't disable Find My Mac. Normally, it is easy to turn off Find My Mac by navigating to the Apple menu > System Preferences > Apple ID > iCloud, then uncheck the box of Find My to disable it with the Apple ID password. This feature indeed enhances the security of your Apple devices, but sometimes it needs to disable Find My Mac such as signing out of iCloud, preparing Mac for sale, etc. With Find My Mac enabled, you can locate your lost or stolen Mac, mark it lost, and even erase your Mac remotely if necessary to prevent unauthorized access to your Mac computer. Can't disable Find My Mac on your own Mac Find My Mac Could Not Be Disabled on A Used Mac/Your Own Mac

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