If you have an iMac and use Time Machine to back it up, you can restore it from the backup if something goes wrong.
To restore your iMac from a Time Machine backup, connect the backup drive to your computer. Open System Preferences and click on Time Machine. Click on the “Select Disk” button and select the backup drive. Click on the “Open Backup Folder” button and navigate to the folder that contains your backup. Select the “iMac-Backup” folder and …
