Once the installation is complete, you will be asked toĮnter basic information and have the option to transfer data from Click Install and enter your Apple ID information if Follow the instructions and then choose your hardĭisk.

Click Reinstall Mac OS X, and then clickĬontinue.

Options., adjust the slider accordingly, and click

If you would like to securely erase your data, click Security.

Next to 'Format:', make sure Mac OS Extended (Journaled).

In Disk Utility, from the left column, click your hard.

Restart your computer, and immediately hold down command-r until the gray Apple logo appears. Reinstalling while erasing everything on your computer from the Apple menu, and install any available updates.

When the installation is complete, select App Store.

Click Install, and enter your Apple ID information if prompted. Follow the instructions on the screen, and then choose your hard disk.

Click Reinstall OS X, and then Continue.

If prompted, select your main language and then click the arrow.

Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

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