I think you can only boot from external firewire drives, not USB Brian iBook G4 1.33 GHz 1.25 GB RAM Powerbook G4 1.67 GHz ! GB Ram On May 21, 2009, at 4:12 AM, Dale Hoffman wrote: > I'm going to install an OS on an external USB drive and use it to > boot a friends iBook G4. > Currently it won't start so I can't choose Startup Disk from > Preferences. > Will his laptop respond to "Option" key at startup for choosing an > alternate? > > Also, any trick to replacing a laptop HDD? > > Thanks, > Dale > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4