My friend wants to re-establish its MacBook Air can do this without losing all the files on his iPhone?

My friend wants to re-establish its MacBook Air can do this without losing all of its files on its iPhone, as they are related?

Two different devices. She is fine as long as she has a full backup. Why she wants to do? Writing an effective communities of Apple Support question.

Basic steps to follow for a clean install of OS X Lion and later

Install or reinstall OS X from scratch

Make sure that you have backed up your files because the following procedure will remove all of the hard drive.

HD recovery start:

Restart the computer and after the buzzer, press on and hold down the COMMAND and R until the menu screen appears.

Erase the drive:

1. select in the main menu disk utility and click on the continue button.

2. once the charges of THE select your boot volume (usually Macintosh HD) in the

list on the left. Click on the Erase tab in the main window of THE.

3. set the type of format Mac OS extended (journaled). If necessary, click

Security and button all the option data from scratch in a single pass. Click

the clear button and wait until the process is complete.

4 leave FROM and return to the main menu.

Reinstall OS X: Select reinstall OS X and click on the install button.

Note : You will need an active Internet connection. I suggest to use Ethernet if possible

because it is three times faster than wireless.

This should install the version of Mac OS X that you had installed it.

Tags: Notebooks

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