MacBook Pro 15" 2008

[eSkiSo]

Tenta isto:
1(reset SMC)

1. Shut down the computer completely.
2. Plug in your AC adapter and make sure it’s delivering power.
3. Using the built-in keyboard, press and hold the Left Shift, Command, Optionand Power Button at the same time.
4. Release all the keys at the same time.
5. Press the power button to power on your computer.
   
   

2(safe mode)

1. Turn your computer completely off.
2. Using the built-in keyboard (laptops only) press and hold the Shift key.
3. Power on the computer.
4. Continue holding the Shift key until the Apple logo appears.
5. Release the Shift key.
   
   

http://computers.tutsplus.com/tutorials/...-mac-44524
("too lazy" para traduzir)

---

Tenta isto:

1(reset SMC)

1. Shut down the computer completely.
2. Plug in your AC adapter and make sure it’s delivering power.
3. Using the built-in keyboard, press and hold the Left Shift, Command, Optionand Power Button at the same time.
4. Release all the keys at the same time.
5. Press the power button to power on your computer.
   
   

2(safe mode)

1. Turn your computer completely off.
2. Using the built-in keyboard (laptops only) press and hold the Shift key.
3. Power on the computer.
4. Continue holding the Shift key until the Apple logo appears.
5. Release the Shift key.
   
   

http://computers.tutsplus.com/tutorials/...-mac-44524
("too lazy" para traduzir)