External keyboard

As long as USB works, then yes. I've had it work on every Mac when doing basic stuff like special keystrokes, target disk mode, diagnostics, etc. And that includes initial selection of the user and password entry.

Yes, it should work just fine.

It always has for me.

kollins77 wrote:

Does anyone know if an external keyboard connected via USB works when MacBook Pro asks you to enter your password after start up (Touch ID is not available in this case)?

I see no reason it would not.

What exactly is the issue?

My USB keyboard is not working when plugg… - Apple Community