Immediately press-and-hold the <span class="keycap">Option</span> key (<span class="keycap">⌥</span> or <span class="keycap">Alt</span> key) when the startup sound is played.
Inmediatamente aprieta-y-mantén la tecla <span class="keycap">Option</span> (tecla <span class="keycap">Alt</span>) cuando suene la campana de inicio.
Immediately press-and-hold the <span class="keycap">Option</span> key (<span class="keycap">⌥</span> or <span class="keycap">Alt</span> key) when the startup chimesound is played.