Karen Sue wrote:
Not from Apple.
Being coy able were the computer was purchased is not really going to help resolve the computer issue
There are Pitfalls when purchasing Apple Devices from Non Apple Sources or Sources that are Not Apple Authorized Service Centres
Judging from the dialogue thus far
Yes you, the new owner of this device may not have installed management profile.
But it certainly is behaving like there are management profiles installed from the Previous Owner
Change Profiles preferences on Mac
On your Mac, choose Apple menu > System Preferences, then click Profiles.
If you haven’t installed any configuration profiles, Profiles preferences isn’t available.
- Click the Add button or the Remove button to add or delete profiles.