Hi everybody
I have Sierra on an Early 2011 Macbook Pro, but I need to go back to El Capitan.
Problem is when I try to erase the HD in Disk Utility (Cmd+T) to achieve a clean installation, the Utility fails to erase the HD.
Also failed from Recovery (Cmd+R).
What can I do??????
![IMG-6342.JPG]( "IMG-6342.JPG")
I have Sierra on an Early 2011 Macbook Pro, but I need to go back to El Capitan.
Problem is when I try to erase the HD in Disk Utility (Cmd+T) to achieve a clean installation, the Utility fails to erase the HD.
Also failed from Recovery (Cmd+R).
What can I do??????
Last edited: