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Plug the USB Flash drive into your Mac book – Select the just-plugged-in USB from the Disk Utility and click on the Partition tab.Now choose 1Partition from the drop down menu below the Partition layout option, assign a suitable name to the USB and select Mac OS extended for the Format option.Click on the Options button and select the GUID Partition Table. You can create your own Bootable USB or DVD for Mac OS X 10.7 Lion. Click on the option to download the file once again and save the copy of the installer.
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To do this, go to the Mac App Store where you will find Option key, click on it and keep it pressed and select the Purchased key at the same time.At this point, you will be enabled with the Install option (not Installed). If you do not find this file you will have to download it again. Mac os x 10.7 lion read exfat flash drives free. You can now quit Terminal and eject the volume. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Catalina.Terminal shows the progress as the bootable installer is created. When prompted, type Y to confirm that you want to erase the volume, then press Return.Terminal doesn't show any characters as you type your password. When prompted, type your administrator password and press Return again.If it has a different name, replace MyVolume in these commands with the name of your volume. These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. Type or paste one of the following commands in Terminal.Open Terminal, which is in the Utilities folder of your Applications folder.Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended. Connect the USB flash drive or other volume that you're using for the bootable installer.Use the 'createinstallmedia' command in Terminal You will create the bootable installer from this app, not from the disk image or. It installs an app named Install OS X El Capitan into your Applications folder.
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On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg.
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