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My MacBook Pro won’t start up and I have the globe with the exclamation mark in a triangle with what I think is an error code of -2100F. FYI, I installed Sur a few days ago with no issues but now my Mac won’t start up.
MacBook Pro 13″, macOS 11.0
Hello, TacoBellCharmin! Thank you for using the Apple Support Communities. We know that you must be eager to start using your Macbook Pro normally again and we can certainly help.
If your Mac will not start up fully, we’d suggest starting with the steps in the following Apple Support article:
If your Mac doesn't start up all the way
We hope that this information provides you with a solution.
Cheers!
Hello, TacoBellCharmin! Thank you for using the Apple Support Communities. We know that you must be eager to start using your Macbook Pro normally again and we can certainly help.
If your Mac will not start up fully, we’d suggest starting with the steps in the following Apple Support article:
If your Mac doesn't start up all the way
We hope that this information provides you with a solution.
Cheers!
That indicates some sort of network issue. Try connecting the laptop directly to your router using an Ethernet cable and any appropriate adapter if necessary.
You may also want to try a PRAM reset (hold the PRAM reset for at least three chimes or a full minute if possible unless you have a newer Mac where it only allows a single activation of the reset).
What does support.apple.com/mac/startup -2100F mean?
