
Do not panic-take comfort in the fact that the whole process is simple and straightforward. corrupted hard drives, virus attacks, sluggish performance, and system errors. Just press and hold the power button on your Mac until it turns off.Have you ever imagine being in a situation where you need to wipe your MacBook clean and start over with a "new" machine? If you have not, you should know that there are many reasons for you to reset MacBook Air to its factory settings e.g. 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.

If you're asked to back up your Mac before resetting it, you can open Time Machine and back up to an external storage device.Enter the password that you use to log in to your Mac, then click OK. An erase assistant will ask you to sign in with your administrator credentials.

After choosing Erase All Content and Settings, follow these steps to continue:
