Odd MacBook Pro (2017) Issue

[Lewisb86]

Hello

Every now and then when I wake my MacBook Pro, the log in screen displays a user called 'System Administrator' It's exactly the same screen which gets displayed when I wake my machine and my user profile is displayed.

I try entering my password and my finger print but it doesn't accept. When I click on switch user, it goes back to the main screen and then I can select my user profile and then I can log in as normal.

Where has this System Administrator come from? I don't have a user profile for that. What password would it be?

Also, I've noticed when I restart the MacBook Pro, just before it powers down, the whole screen goes a bright neon green for a few seconds. Again, this happens every so often.

 

[ab298]

It sounds as if the Root user may be enabled, and for some reason, occasionally shows instead of your normal one.

https://support.apple.com/HT204012

That link describes how to enable/disable it : check it out & see if Root is enabled.

 

[carestudio]

check the user and account setting.

 

[Lewisb86]

It sounds as if the Root user may be enabled, and for some reason, occasionally shows instead of your normal one.

https://support.apple.com/HT204012

That link describes how to enable/disable it : check it out & see if Root is enabled.

Hello. The root user is disabled
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check the user and account setting.

I have, there is no System Administrator user there

 

[ab298]

I've seen a couple of reports of this, albeit seemingly more persistent than 'now & then' but no solution. Console app : System.log : enter login in the search box… might show something matching the times you see this.

 

[Lewisb86]

I've seen a couple of reports of this, albeit seemingly more persistent than 'now & then' but no solution. Console app : System.log : enter login in the search box… might show something matching the times you see this.

Thank you so much for this - at least I'm not the only one experiencing this. I do have a Genius appointment tomorrow due to some other issues so I'll mention it to them and see what they say.

 

[ab298]

Thank you so much for this - at least I'm not the only one experiencing this. I do have a Genius appointment tomorrow due to some other issues so I'll mention it to them and see what they say.

I'd guess at either some intermittent problem reading the files which determine which users are available, or something similar in unlocking the disk, if encryption is on. If you note the exact time this happens next, you or the Genius may be able to connect it with some log entry. If not, and it's annoying enough, reinstall from Recovery.