

Tried First-Aid and it failed, tried using the Terminal to repair the disk, still failed. I attempted to re-mount it but nothing happened. Stumped, I booted into recovery mode, and checked the Disk Utility, only to find that the internal system boot disk was unmounted. Tried several times and made absolutely sure it was being entered correctly. However, when I entered the password for the local admin account it didn't work.

Since she could not get in from there she brought it to me.

Instead, the local administrator account appeared there with a space for the password. When it came back up, the usual "Username/Password" login screen was not there. The teacher was having trouble connecting to the wifi and restarted the machine. Both reports and subsequent symptoms were identical. Can't confirm exact timing but they were within a day of each other for sure. So far this has happened on 2 separate MacBook Airs (2019 model). I figured I'd put it up here and see if anyone has any insight, so here's the scoop. We recently started using Jamf in our school district and ran into a very weird issue recently that quite frankly I can't explain and a couple hours scouring the internet was of little to no help.
