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#How to install os x from usb how to
#How to install os x from usb for mac os
#How to install os x from usb mac os x
#How to install os x from usb mac os
#How to install os x from usb download

Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ macOS\ High\ Sierra.app -nointeraction Launch Terminal enter the following command according to the version of Mac operating system that you are dealing with.

Step 4 Create A Bootable USB Drive of macOS/OS X If you don't want to modify the command, change the name of your flash drive into FlashInstaller. If your USB drive has a different name, replace FlashInstaller in the command with the name of your USB drive.

#How to install os x from usb mac os

The following command is to create a bootable copy of Mac OS installer on a USB drive named FlashInstaller. Step 3 Check the Name of Your Flash Drive Therefore, make sure there is nothing important on your flash drive before you continue with the following steps. IMPORTANT: The contents of the drive will be erased after creating a bootable installer drive. In fact, USB drives with larger storage, like 32 GB to 64 GB, tend to show better performance. If you need to create a bootable USB drive of macOS High Sierra, 16 GB USB flash drive is suggested. You should have a USB drive with at least 8 GB of storage and insert the USB drive into your Mac. Step 2 Get A USB Drive with Sufficient Storage Note: After downloading the Mac OS installer, do not install the OS but quit the installer.

#How to install os x from usb download

To download the installer of macOS Sierra, go to Apple Support. However, Apple has decided that macOS Sierra and later will no longer be listed in Mac App Store's Purchased.

#How to install os x from usb mac os x

To download the older Mac OS X version, you can go to App Store > Purchases to download the Mac OS X El Capitan, Yosemite, Mavericks that has been previously downloaded. To install the latest Mac OS, for example, macOS High Sierra, you can search and download the installer from App Store.

The first thing to do is to download the Mac operating system that you need.

#How to install os x from usb for mac os

The most recommendable way to create a bootable install USB drive for Mac OS is using 'createinstallmedia' Command with Terminal application. Use 'createinstallmedia' Command in Terminal This tutorial will introduce you three ways to create bootable USB drive for macOS High Sierra, macOS Sierra, Mac OS X El Capitan, Yosemite, Mavericks and more. – I have confirmed this working on a Macbook Air 11″, 2010, 1.6Ghz version.To install macOS or OS X from USB, you need to create a bootable install USB drive for Mac operating system.

– I would recommend creating a separate partition for your OS X Lion installation as well.

Hold Option/Alt after your see the Apple logo appear and boot with the thumbdrive in your Mac.Ĭhoose the USB Drive to install OS X Lion from your USB Thumbdrive! Once its finished, you now have a bootable OS X Lion install thumbdrive (basically just like what the Macbook Air ships with).ĥ. I recommend erasing the destination, so be sure to backup any data on the thumbdrive prior to this step! This will take a few minutes to do. (ie THUMBDRIVE in the screenshot) and then click Restore Once you have it chosen, click and drag your USB Thumbdrive from the left pane to the Destination box. Click on the Browse button and locate the. On the right pane, go to the Restore tab.ģ. This is very handy for us Macbook Air users that do not have an external optical drive.ġ. We can then boot the USB Drive on our Mac to install OS X Lion from it. dmg installer file for OS X Lion onto a usb thumbdrive.

– USB Thumbdrive or Memorycard Reader w/memory card (4GB mininum, data will be destroyed).

– Mac running OS X Leopard or Snow Leopard.

– OS X Lion installation DMG (hint: file named: mac_os_x_10_7_11a390.dmg).

We will need a copy of the installer dmg (not provided) and a 4GB USB Thumbdrive or Memorycard Reader w/memory card and a Mac to convert the dmg to a bootable usb thumb drive.

#How to install os x from usb how to

This recipe will explain how to make a USB Thumb Drive bootable with the OS X Lion Developer Preview installer on it and in turn allow you to install Lion on a Mac without an optical drive (ie Macbook Air line).