If you want to sell your Mac device, to your friend or family member, or if you want to troubleshoot a misbehaving system, then you should reset your Mac to factory settings. Through this, it will wipe out the system clean. In this blog, you will read how to perform a factory reset of your Mac device. office.com/setup
What is There in a Factory Reset?
If you want to perform a factory reset, then you should back up your computer, disable certain features and services, then erase the hard drive and then you should reinstall a fresh version of Mac OS.
Create a Backup Using Time Machine:
If you want to create a Time Machine backup, then you should have external storage device like external hard drive which is connected directly to your Mac like a USB, Thunderbolt, or FireWire drive.
For this, you should connect your storage device to your Mac. Then, you will receive a message which says, Do you want to use [Backup Disk] to back up with Time Machine? At this point, you should check Encrypt Backup Disk and then just select Use as Backup Disk.
If in case, your Time Machine doesn’t automatically ask to use your drive, then you should add it manually. After this, you should select the Time Machine icon (clock) in the Mac’s menu bar. Now, you should select Open Time Machine Preferences from the menu. Here, you should choose Select Disk. Then, you should select your external drive from the list options. You should check Encrypt backups and then you should select Use Disk. At this point, you should place a check mark which is next to Back Up Automatically so that Time Machine automatically makes backups.
For this, from the Apple menu, you should select System Preferences. Then, you have to select Apple ID. If in case, you’re using Mac OS Mojave or earlier, then you should select iCloud. At this point, you should select Options just to see the apps which store documents and data in iCloud Drive. Now, you should scroll through the list and check the box next to apps which you want to back up and then select Done option.
Turn Off FileVault:
FileVault is a disk encryption program and if you’re using it then you should turn it off. For this, from the Apple menu, you should open System Preferences. Then, you have to select Security & Privacy. After this, you should select the FileVault tab. If in case, you see FileVault is turned off for the disc, then you should not do anything. But if FileVault is turned on, then you should select the padlock icon, then enter your username and password and then just select Unlock. At this point, you should select Turn off FileVault. At last, you should enter your username and password and just wait for the process to finish.
Restart Your Mac in Recovery Mode:
From the Apple menu, you should select Restart. Then, you have to press and hold Command + R key. After this, you should release the keys if you see an Apple logo, spinning globe, or another startup screen. Then you should enter the password. If you see the Utilities Window, then this process is finish.
If the user need support, then they can call the expert of Microsoft team through www.office.com/setup.