hoare-r wrote:
my last version 13 worked ok........no password......turn on and full automatic open to working screen.
all versions before to my first mac mini in 2009 did the same.
Mac Mini 2009 - best it could possible run would be OS X 10.11.6 El Capitan released September 30, 2015
An Admin Account and Usually the Owner Account has ALL the Privileges that other added accounts do not have
The " Owner Account of this computer " has that privilege to add, remove, upgrade or downgrade accounts. This would include adding more Admin Accounts and / or downgrading an ADDED Admin account
Set up users, guests, and groups on Mac
Normally the " Owner Account " is the very first Account used when the Computer was Very First Setup as New and out of the box.
Adding additional Admin Account can be done there after.
Below link will provide additional insights about the Difference between Admin Accounts and Owner Accounts
https://eclecticlight.co/2021/07/18/last-week-on-my-mac-the-perils-of-m1-ownership/