The black boot selector on a Mac Professional 2007 is a standard challenge that may forestall the pc from beginning up correctly. This challenge will be brought on by a wide range of components, together with a defective laborious drive, a corrupted working system, or an issue with the pc’s {hardware}.
There are a couple of other ways to repair a black boot selector on a Mac Professional 2007. One possibility is to attempt resetting the PRAM. This may be carried out by holding down the Command, Possibility, 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 carried out by holding down the Shift key whereas the pc is beginning up.
