T tbluhp macrumors 65816 Original poster Sep 6, 2006 1,059 23 Aug 13, 2012 #1 can that be done using a external drive instead of repartion my internal drive?
M murphychris macrumors 6502a Mar 19, 2012 661 2 Aug 13, 2012 #2 It looks like it depends on which model Mac you have. There's some anecdotal evidence that newer hardware has a CSM that's supporting USB booting.
It looks like it depends on which model Mac you have. There's some anecdotal evidence that newer hardware has a CSM that's supporting USB booting.