Reinstalling mac os x el capitan install#
Reinstalling mac os x el capitan upgrade#

During installation, your Mac may restart, or display a blank screen for a short time.

In the Updates window, locate the line that says Catalina.

Once booted, select your language NOW, CRUCIAL, FIRST THING. Try another USB port and wait 10 sec again. If it does not detect it after 10 sec and you only see your hard-drive.

In the App Store, on the left side of the window, select Updates. Start your Mac, press immediately OPTION (aka ALT) Select the Orange icon (aka a USB stick) labelled El Capitan.

In the menu bar, click the Apple icon to open the Apple menu.

Reinstalling mac os x el capitan install#

Do not close the lid or power off your Mac until installation is complete.Īfter you've gone through the preparation steps, you need to download and install the latest version of macOS. During installation, your Mac may restart, or display a blank screen short time.When this process is complete, an installer application named Install OS X El Capitan is placed in your Applications folder.Follow the on-screen instructions to perform a compatibility check, and prepare for installation.In the archive, double-click InstallMacOSX.pkg.Double-click the downloaded archive, InstallMacOSX.dmg, to view its contents.The file size is 5.8 GB, so the download may take a while, depending on the speed of your Internet connection. Download the El Capitan installer from Apple.

Reinstalling mac os x el capitan upgrade#

If your Mac is running OS X Lion or Mountain Lion, follow these steps to upgrade to El Capitan. When I boot from the USB drive I get to the first menu and choose install Mojave.

I’ve created a USB install using an old download of Mojave installer (size 6.03GB) and unibeast 9.3.0 for Mojave. If your Mac is running Mavericks or newer, you can proceed to upgrade to Catalina. I’m attempting a clean install on a machine that had previously run Mojave. * If your Mac is running OS X Lion or Mountain Lion, you must upgrade to El Capitan before you can upgrade to Catalina. The following versions of OS X and macOS can be upgraded to macOS Catalina. If anything goes wrong, you can restore your Mac to its previous state. Back up your dataĪlthough not required, we strongly recommend you back up your Mac before proceeding with an upgrade. However, you can still try to upgrade to El Capitan. If your Mac is not on this list, you cannot upgrade to Catalina.