How to Backup your Mac using Time Machine

Backing up your Mac is important because you have only one internal drive and once it goes all of your data can be lost. At ant time you can say good bye to all of those family photo or work documents. So be smart and backup your Mac.





Steps 1-2

Step 1

Open System Preferences by click on the Apple logo in the top left corner of the menu bar then go down to System Preferences

Step 2

Now that your are in System Preferences click on Time Machine

System Pref Time Machine.png

Step 3

Once the Time Machine preference pane open toggle the On/Off switch

Time Machine Preference Pane copy.png

Step 4

At this point you will be prompted to connect your drive to your computer and select it form the list. If you need to before you select the drive for back up format or wipe it using Disk Utility in the Utilities folder

Select a Disk.png

Step 5

Now your computer should start backing up to your external hard drive.

What can I do With It?

Now that your data is saved on another drive you can retrieve your data when you need it. As the drive fills up it will begin to delete older backups to make room for all future backups. Don’t copy files over one by one because it can corrupt the backup. Instead use the following methods to restore your data.

Migration Assistant

Migration Assistant is a application that us built in to macOS. It allows your to retrieve full packages of data including whole folders and categories.

For example when setting up a new or recently restored Mac in step 5 your are asked if you would like to transfer your data now, later, or never. If your choose “From a Mac, Time Machine backup, or startup disk” then Migration Assistant will start and you can follow the steps and copy your data over. If you choose later once you are done setting up your Mac you can got to MacintoshHD>Applications>Utilities>Migration Assistant and copy your data over that way.

Restore a File

Everyone has deleted a file at one point or another an regret it. Then there was no way to get it back and it was gone forever. Well not any more. Now that you have your backup enabled you can go back and bring back the file from the past. To do this go back into Time Machine preferences. At the bottom of the preference pane make sure that “Show Time Machine in menu bar” is enabled with a check mark in the box.
Time Machine on Menu Bar.png
Open a Finder window by clicking on the Finder logo on the dock. Now go to the menu bar at the very top of your screen and click on the Time Machine logo.

Time Machine Menu.png

Then Click on “Enter Time Machine”. Then the past history of the folder will appear in the background. Navigate to where the deleted file was last seen and used using the timeline on the right. Once found your missing file select it and click Restore. That file will now appear back in the present time version of that folder. Then click escape (esc) on the keyboard or cancel under the finder window to return to your desktop.
Enter Time Machine.png

This doesn’t only work with Finder. It can also find past versions of Keynote presentations, Pages documents, and Numbers documents, emails in mail, and more.

Second Boot Option

If something happens to your main internal boot drive you can startup to your backup by shutting down your computer. Then start it up again holding the “Option” key on your connected keyboard. You will then get a list of boot options. Choose “EFI Boot” from the list. Now your computer will boot using your external backup.

You may have some speed problems using this method though because most older USB cables can not carry enough data to provide a smooth experience.


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