The black boot selector on a Mac Professional 2007 is a typical challenge that may stop the pc from beginning up correctly. This challenge could be brought on by a wide range of components, together with a defective arduous drive, a corrupted working system, or an issue with the pc’s {hardware}.
There are just a few other ways to repair a black boot selector on a Mac Professional 2007. One choice is to attempt resetting the PRAM. This may be accomplished by holding down the Command, Choice, P, and R keys whereas the pc is beginning up. An alternative choice is to attempt booting the pc into Secure Mode. This may be accomplished by holding down the Shift key whereas the pc is beginning up.
