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1. Get osx el capitan for reformat purpose install#
2. Get osx el capitan for reformat purpose software#

To boot from your newly created installer disk, select it from the startup volume menuĦ) When the 'OS X Utilities' menu comes up: Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app -nointeractionĥ) When you see the word 'Done' in your terminal: Restart your Macbook and press the 'Alt' - Key. Enter the code below exactly as it is written without changing the spaces, and insert the name of your newly created disk (here 'Untitled').

The terminal app can be found in 'Applications'.Before you start this you have to erase the USB disk and reformat it to 'Mac Os X Extended (Journaled)' and name it without using any spaces.Instructions are really well summarised here: Īnd (you don't need to use a special program for this)

Get osx el capitan for reformat purpose install#

This is important for the following steps.Ĥ)You now have to do a clean install of the OS X by formatting a USB stick/ Hard Drive with at least 8GB of space: After you have done that look at files such as 'Application Support', 'Launch Agents' and stuff like that and delete files that you do not need.Ģ) CREAT A TIME MACHINE BACK UP!!!! on a hard drive that is not used in this process.ģ) Download OS X El Capitan and make sure it downloads in the Applications folder. If you can't see 'Library' then you have to enable this in the settings for the tab. To find hidden stuff: Go on finder options and make it show the user home and also the Macintosh HD hard drive. You can find a lot of stuff that you thought you had deleted but is still there.

Get osx el capitan for reformat purpose software#

I will try to pin down the important points to do this.ġ) Get rid of ANY ANTIVIRUS SOFTWARE that you have installed on your Mac (like Bitdefender) and also any internet plug ins and other useless programs that you don't need and might interfere with the installation.

Hi guys, after a 40 min conversation with Apple Support I have finally managed to install OS X El Capitan on my Macbook Air.