Aporte original por: Joel Mooke

Título:

Can't boot with internal drive connected

Texto:

I’m having an issue with macbook air. It doesn’t boot up when internal drive is connected.  When I take out the internal drive and boot from external drive, the machine works fine but when the internal drive is connected I can’t even boot from the external.

Please I need your help on fixing this.

Dispositivo:

MacBook Air 11" Mid 2013

Estatus:

open