marlasas.blogg.se

1. CLEAN INSTALL MAC OS X EL CAPITAN FROM BOOTABLE USB HOW TO
2. CLEAN INSTALL MAC OS X EL CAPITAN FROM BOOTABLE USB MAC OS

CLEAN INSTALL MAC OS X EL CAPITAN FROM BOOTABLE USB MAC OS

Choose Mac OS Extended (Journaled) from the list. Click on the Erase tab at the top of the window.ħ. Click on Disk Utility in the OS X Utilities selector.Ħ. Hold down Command+R when you hear the startup chime and keep holding the keys until your computer reboots.Ĥ. Connect your Mac to the Internet via Wi-Fi or Ethernet.ģ. Now the following guide shows you the easiest way to completely remove macOS Sierra from your Mac.ġ. It will take you approximately half an hour before it's completed. Open Terminal and paste this into Terminal window: sudo /Applications/Install\ OS\ X\ El Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ El Capitan.app -nointeraction. Download El Capitan installer file from the Mac App Store and put it into the Applications folder.ģ. Find an external drive (a thumb drive will do) with at least 8GB of storage space.Ģ.

CLEAN INSTALL MAC OS X EL CAPITAN FROM BOOTABLE USB HOW TO

The following steps will show you how to create such a bootable EI Capitan installer drive.ġ. For this purpose you'll need a bootable flash drive (USB) with El Capitan on it. Create a bootable drive of OS X El Capitanīefore you erase macOS Sierra from your computer, you need to download OS X El Capitan from the Mac App Store. * To begin with, make sure you have a Time Machine backup for all your files so that you can restore all your data by the end of the reinstallation process from Settings -> Time Machine. * You can't run the El Capitan installer within macOS Sierra, because the Mac always wants to have the latest version of macOS. * You can't boot your Mac into Recovery mode and revert to El Capitan because this method can only be used for reinstalling the system that's currently on the Mac, which in this case is Mac OS Sierra.

Before you start, pay attention to those IMPORTANT notes: