How To Install Uconnect Update From Usb

Using an external bulldoze, you lot can install or reinstall the Mac operating system on a supported device. Apple tree recommends only system administrators follow these steps since a bootable installer isn't necessary to update or fifty-fifty reinstall macOS. A bootable installer is ideally suited for installing macOS on multiple devices.

The newest MacBooks only take USB-C ports. To install macOS on these computers, yous'll need a flash drive that supports USB-C or a USB hub or adapter. The file or drive must support Mac OS Extended and accept at least 14GB of available storage.

Choose one of our favorite flash drives or best external drives to serve as your bootable installer. Currently, you lot tin can only create a bootable installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan.

If you desire to go back to your previous macOS, hither's how to downgrade macOS.

ane. Download macOS

On a MacBook or Mac desktop computer, download the version of macOS that suits your needs.

The macOS file volition download to your Applications binder. Once the download is complete, you'll see the file named 'macOS [version name]'.

To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.xi.vi. Enterprise administrators should download from Apple tree, not a locally hosted software-update server.

macOS Big Sur
macOS Catalina
macOS Mojave
macOS High Sierra

For an OS 10 El Capitan installation, the file gets saved as a disk prototype named 'InstallMacOSX.dmg'. To install, open the disk epitome and run the installer named 'InstallMacOSX.pkg'.

From there, information technology installs an app named 'Install OS X El Capitan' into your Applications folder. You will create the bootable installer from this app, not from the deejay image or .pkg installer.

2. Use Terminal

Once y'all take your bootable installer ready, it's time to movement to the next step. Connect the USB flash drive to the calculator y'all wish to install macOS. Choose 'Finder' then select 'Go' from the menu bar. Click 'Utilities', so 'Terminal'.

In the adjacent footstep, y'all'll enter a command in Terminal. The command differs, depending on the macOS version you're going to install. With each control, it's causeless the installer is located in your 'Applications' folder and 'MyVolume' is the name of the USB flash drive. Modify the name in the control to friction match your settings, if necessary.

For macOS Big Sur, re-create and paste the following into Terminal:

          sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resource/createinstallmedia --book /Volumes/MyVolume

For macOS Catalina:

          sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --book /Volumes/MyVolume

For macOS Mojave:

          sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

For macOS Loftier Sierra:

          sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

For OS X El Capitan:

          sudo /Applications/Install\ Os\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ Os\ X\ El\ Capitan.app

three. Continue with Terminal

After pasting the command above, hit the 'Return' cardinal. Type your ambassador password when prompted, then printing 'Return' again. Type 'Y' to confirm that you want to erase the volume, then press 'Render'. If asked, click 'OK' to allow the copying of files to proceed. Quit 'Terminal'.

Yous've now successfully created a bootable installer that you can employ to install macOS on other machines.

Installing macOS from installer in Terminal — (Image credit: Apple)

4. Use bootable installer

It'south at present time to utilise the bootable installer to install a fresh re-create of macOS. The steps are different, depending on whether you're using an Intel-based Mac or i with Apple silicon.

For Intel-based machines:

Plug the bootable installer into a Mac that's continued to the internet and is compatible with the macOS version y'all're installing. Press and hold the 'Option' key after turning on or restarting the Mac. Release the 'Option' key when you lot see a dark screen showing your bootable volumes. Select the book that contains the bootable installer. Click the 'Upward' arrow or 'Render' key.

If prompted, choose your language. Select 'Install macOS' or 'Install OS Ten' from the Utilities window. Click 'Continue' and follow the instructions.

For Apple silicon machines:

Offset, plug the bootable installer into the Mac you wish to install macOS. Make sure this auto is connected to the net and supports the macOS version you're installing. Hold the power button until you lot see the startup options window. Select the volume containing the bootable installer, then select 'Go on'. Follow the instructions when the macOS installer opens.