Just press and hold the power button on your Mac until it turns off.Check out the products mentioned in this article: MacBook Pro (From $1,299.99 at Best Buy) How to wipe a Mac computer with a factory resetīefore anything, if you don't want to lose the files you have saved on your computer, you should back them up. If you're selling, giving away or trading in your Mac and want to leave it in an out-of-box state, don't use the setup assistant or your previously connected bluetooth devices, if any. After restart, a setup assistant guides you through the setup process, as if you're setting up your Mac for the first time.After joining a network, your Mac activates.To select a Wi-Fi network, use the Wi-Fi menu in the top right-hand corner of the screen.

You might be asked to select a Wi-Fi network or attach a network cable.When reconnecting to a bluetooth keyboard, you're asked to choose a language. If the accessory doesn't connect within 30 seconds, turn the accessory off and back on. If it needs to reconnect to a bluetooth accessory, such as a keyboard or mouse, you might be asked to turn on the accessory. Your Mac restarts and shows a black screen or progress bar.