Dans les ces de problèmes de connexion avec les ports USB, FIREWIRE, THNUDERBOLT
OU
pour SUPPRIMER la protection contre l'effacement / le formatage des disques durs internes
Resetting the SMC – Pour les MAC BOOKS avec une batterie intégré
01. Shut down your MacBook.
02. Connect the MagSafe power adapter into your MacBook. If it’s already connected, leave as is.
03. Press Shift + Control + Option + Power keys at the same time.
04. Release all the keys from the keyboard.
05. Press the power button to start your MacBook.
Resetting the RPAM - Pour tous MACBOOK
01. Shut down your MacBook.
02. Press and Hold Option + Command (⌘) + P + R.
03. Turn on your MacBook while holding the keys (Option + Command (⌘) + P + R).
04. Keep holding the keys (Option + Command (⌘) + P + R) until your MacBook restarts (You will see the grey screen appears before it restarts.)
05. Release the Keys.
06. If you hear the startup booting sound for the second time, that means the PRAM has been reset. Done!
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