22nd October 2018


How do I reboot my Apple MacBook Air?

Hold the power button for 5 seconds to shut off. Power on and hold the Shift key down when you hear the startup tone. This should perform a safe boot. If successful, goto System Preferences > Startup Disk > select your MacIntosh HD > click restart.

How do I reset my Mac to sell?

Step 3: Reformat your hard drive
  1. Restart your Mac.
  2. While the startup disc is waking up, hold down the Command+R keys simultaneously.
  3. Select Disk Utility.
  4. Click on Continue.
  5. Select your Startup disk (it is probably named "Macintosh HD" or something similar).
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