If for some reason you have to reinstall MacOS on your Mac computer, this tutorial with pictorial examples will come in handy. If your MacOS system is running well, there is no need to reinstall the system although it’s a common myth among users that you need to reinstall your MacOS every six months to keep things running smoothly.
This is just a myth; I know users who have been using their MacOS system for years without any issues. However, if your Mac is running slowly or you find out that it’s crashing constantly, a fresh installation might be a good idea.
Here is how to go about it:
Reinstalling MacOS
1. Back up Your Information
It is highly recommended that you back up all information stored on your hard drive. If you have been using your system for a while, there is a high probability that you have stored some vital information you don’t want to lose.
You can do that by using an external hard drive.
Or use the Apple time machine function that gives you a step by step wizard to back up your files.
2.Turn off the MacOS Computer
Turn off the MacOS computer by clicking on the Apple icon at the top-left corner of your screen and then selecting shut down from the drop-down menu.
3. Initiate the Reinstall Process
Switch on your computer and hold down command+R. This will present you a menu to erase and reset the computer.
4. Access Internet
Next, access your Wi-Fi connection and enter the password to ensure the system is online and ready to download the MacOS.
5. Click on Disk Utilities
In the dialogue box, click on disk utilities.
6. Clear out the internal Hard drive
After clicking on disk utilities, go straight to the internal hard drive section and click on Macintosh HD to erase the hard drive. After it has been erased, you will see an update of the free space available.
7. Reinstall MacOS
Close the dialogue box after the hard drive has been erased and go click on Reinstall MacOS.
A MacOS Sierra window will appear. Click on continue to begin and agree to the terms of the installation process.
8. Choose what package to install
After you have agreed to Apple’s terms, choose the Macintosh HD to initiate the installation process.
Congratulations, the installation process has begun and should take up to 5 hours to complete, assuming you have a moderately-fast internet connection.
Once the installation process is complete, follow the simple wizard steps to choose the region, the language and enter your Wi-Fi information.
9. Install your backup
Next, you will be prompted to enter your backup files; if you saved one, this would be the best time to enter that backup. There are three areas: backup-from an external hard drive, time machine, or from a PC.
If you don’t have a backup file, skip this step.
Apple should pass you through a series of steps just to set up your personal preferences. Enable the ones you want and move on to set up the computer.
This is just a myth; I know users who have been using their MacOS system for years without any issues. However, if your Mac is running slowly or you find out that it’s crashing constantly, a fresh installation might be a good idea.
Here is how to go about it:
Reinstalling MacOS
1. Back up Your Information
It is highly recommended that you back up all information stored on your hard drive. If you have been using your system for a while, there is a high probability that you have stored some vital information you don’t want to lose.
You can do that by using an external hard drive.
Or use the Apple time machine function that gives you a step by step wizard to back up your files.
2.Turn off the MacOS Computer
Turn off the MacOS computer by clicking on the Apple icon at the top-left corner of your screen and then selecting shut down from the drop-down menu.
3. Initiate the Reinstall Process
Switch on your computer and hold down command+R. This will present you a menu to erase and reset the computer.
4. Access Internet
Next, access your Wi-Fi connection and enter the password to ensure the system is online and ready to download the MacOS.
5. Click on Disk Utilities
In the dialogue box, click on disk utilities.
6. Clear out the internal Hard drive
After clicking on disk utilities, go straight to the internal hard drive section and click on Macintosh HD to erase the hard drive. After it has been erased, you will see an update of the free space available.
7. Reinstall MacOS
Close the dialogue box after the hard drive has been erased and go click on Reinstall MacOS.
A MacOS Sierra window will appear. Click on continue to begin and agree to the terms of the installation process.
8. Choose what package to install
After you have agreed to Apple’s terms, choose the Macintosh HD to initiate the installation process.
Congratulations, the installation process has begun and should take up to 5 hours to complete, assuming you have a moderately-fast internet connection.
Once the installation process is complete, follow the simple wizard steps to choose the region, the language and enter your Wi-Fi information.
9. Install your backup
Next, you will be prompted to enter your backup files; if you saved one, this would be the best time to enter that backup. There are three areas: backup-from an external hard drive, time machine, or from a PC.
If you don’t have a backup file, skip this step.
Apple should pass you through a series of steps just to set up your personal preferences. Enable the ones you want and move on to set up the computer.
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