- Disconnect power cable.
- Hold the power button on Macbook - Duration is not important, you can move to step 2 in a matter of milliseconds.
- Connect the power cable whilst still holding the power button.
- With the power cable in, keep the power button hold for at least 5 seconds.
- Release the power button.
- Press the power button to boot the Macbook. (THIS WAY MACBOOK BOOT)