Before Clean Installing OS X Yosemite, Restore Mac to Factory Settings

Mac OS Yosemite has many new and interesting features that establish it as one of the best Mac operating systems. The majority of Apple users are eager to make use of these new features of Yosemite. Thus, they want to upgrade to Yosemite from their current Mac OS X version.Restore mac to factory settings

You can install Yosemite on your Mac by upgrading your OS X version. Otherwise, you can go for a clean install. In comparison to simple OS upgrade, a clean install is a better option as it gives you a chance to have a fresh start with your computer. Once, you perform a clean install; you get a fresh copy of the latest Mac OS X, and an empty hard drive. All the apps, software and data on your hard drive get deleted, and the system’s settings get restored to the default settings. In a way, your Mac becomes like a newly bought Mac that comprises a freshly installed OS X copy and an empty hard drive, where you can install fresh data, apps, and software.

Before clean installing Yosemite, you should factory restore your Mac. However, before restoring Mac to factory settings, you must create the data backup of your old data if you think that you will require that data in future.

 Step One: Create a Bootable Drive with OS X Yosemite on It

To install a fresh copy of OS X Yosemite, you need to create a bootable installation drive. For that, you will require an external hard drive, USB flash drive or DVD. The bootable drive will have Yosemite installed on it.

To create this bootable drive, perform the following steps:

  • Connect an external drive to your computer.
  • Then, open ‘Disk Utility.’
  • Select the external hard drive from the sidebar.
  • Then, click the ‘Erase’ tab.
  • Next, select ‘Mac OS Extended (Journaled)’ from the format box.
  • Then, name it as ‘Untitled.’
  • In the next screen, click ‘Erase’ to format the drive.
  • Now, wait for some time till the drive formatting gets done.
  • Now, close ‘Disk Utility.’
  • Then, open ‘Terminal.’
  • In the ‘Terminal’ type the following command:

command

  • Wait for a few minutes, till you get the message ‘Copy complete. Done.’
  • Now you have successfully created a bootable installation drive that has Mac OS X Yosemite installed on it. If you don’t want to create a bootable drive, then you can install Mac OS X Yosemite directly from the Apple App Store.

Step 2: Factory Reset Mac and Install OS X Yosemite

  • In the next step, you will perform factory restore to format your system’s hard drive. Restoring Mac to factory settings will delete all the old apps, files, data and settings. Then, the fresh copy of OS X Yosemite will get installed. The newly installed copy of Yosemite will have the default settings and default software/apps.

For restoring Mac to factory settings and installing Yosemite, perform the followings steps:

  • Connect the bootable hard drive to your computer.
  • Then, reboot your computer.
  • When the system reboots, press the ‘Option/Alt’ key.
  • That will bring up the following screen as shown below:

Restore Mac to Factory Settings

  • Here, select the bootable drive by clicking on the arrow pointing upwards.
  • Now, the ‘OS X Utilities’ screen will open.
  • In the menu bar of the ‘OS X Utilities’ screen, click on ‘Utilities.’
  • Next, click on ‘Disk Utility.’
  • In the left-hand sidebar, click on your main hard drive.
  • Next, click on the ‘Erase’ tab.
  • In the next screen, select ‘Mac OS Extended (Journaled)’ in the Format field.
  • Give the hard drive a name. By default, it will get labeled as Macintosh HD.
  • Now, towards the lower-right corner, click the ‘Erase’ button.
  • Now, the hard drive will get formatted, and the system will get restored to factory settings.
  • Now, close the ‘Disk Utility’ window.
  • That will bring you back to ‘Install OS X’ screen.
  • Click ‘Continue’ to initiate the installation of the fresh copy of ‘OS X Yosemite.’
  • Now to get the OS X Yosemite installed, follow the screen prompts of the installer.

Conclusion

If you want to install Yosemite, one of the best Mac operating systems, then prefer clean install over a simple OS X upgrade. That will give you a chance to start afresh with your old device. Before you clean install the Yosemite, it is good to restore Mac to factory settings. That will wipe out the hard drive, software/apps and restore the configuration to default settings. Then, a fresh copy of the Mac OS X will get installed. Restoring Mac to factory settings and clean installation of the operating system will provide you an opportunity to transform your old Mac into a new-like Mac.

 

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