2012 macbook pro os upgrade install#
Step 7: Install OS X from usb flash driveĬonnect the USB flash drive with the bootable os x. Wait till you see the message “Install media now available at /Volumes/Install OS X El Capitan” When prompted, type Y to confirm that you want to erase the volume, then press Enter.
The terminal will prompt you to put in your administrator password. Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Open the terminal and put in the following line and hit Enter: After that, you can plug in your USB drive. Ĭheck if this file is visible in the Applications folder. The Install file with the name Install OS X El Capitan will be installed in your “Applications” folder. So just open the downloaded DMG file and open the. You can download the older versions of os x here: Īfter downloading it you need to install the installation (no worries – it does not get installed right now – it just unpacks the installation file. The 2012 MacBook pro does not support the newest os x versions so i downloaded a os x El Capitan Installation file.
Format the USB drive to MacOs Journaled and name it MyVolume If you need all your files and settings like before then you need to do a backup first!īefore you start replacing the parts you should create a bootable installation file of OS X on a USB flash drive (minimum 8GB!). Step 1: Preparation: Create a bootable installerįirst of all: in this case, I wanted to have a fresh install of os x.
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