![]() ![]() Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Volume -applicationpath /Applications/Install\ macOS\ Sierra. ![]() Do the same with new installer but instead of copying you paste and override the files. Try installing both of them maybe install the old one first and then rename it, then install the new one, Go to applications folder right click "show package contents" open "Contents" of old installer, copy files. So I copied from an old installer (4.9GB) to the new installer (5.01). Now that you are all prepared, it’s time to actually perform a clean install of macOS Sierra.I have been working for 8 hours and someone in the internet said the new installer was missing files. You now have a bootable macOS Sierra installer on USB that you can use to perform a clean macOS Sierra install. We recommend using the utility above unless you are experienced with Terminal. Choose your newly formatted external device and click Install. On the next screen, click Show All Disks. How to Reinstall macOS Using Recovery Mode The standard method for reinstalling macOS is through Recovery Mode, which boots from a separate recovery partition on your boot drive that macOS creates at the time of installation. Step Two: Install macOS Sierra When macOS Sierra is downloaded, it is saved in your Applications folder. You can also use Terminal to make a bootable macOS Sierra Installer. Only use a bootable USB installer to reinstall macOS if you cant boot into Recovery Mode at all. If prompted enter your password. Wait while this completes. Click Select the OS X Installer and then choose the macOS Sierra Installer you just downloaded at the start of this guide. The macOS 10.12 Sierra installer from the Mac App Store in your Applications folder. If prompted allow the app to run.Ĭhoose your USB drive that we just named Untitled. For newer Macs, use a USB 3.0 driveit makes things significantly faster. ![]() You can use a single command to create your installation medium, but this differs depending on which version of macOS you’re trying to install. sudo /Applications/Install macOS Big Sur.app/Contents/Resources. Create a Bootable USB in Terminal We’ll be using Terminal to create the USB drive, so launch it via Spotlight or locate the app in your Applications > Utilities folder. Type the correct command from the following, and replace 'MyVolume' with the name of your USB drive. ![]() This can be a hard drive, an SSD, or a USB stick. Press the Command-Space key to open Spotlight, and search for Terminal. You need a Mac-formatted drive big enough to hold the installer and its data - 12 GiB. So after getting into EFI or Legacy Clover bootloader then here you will have many options to boot. To use Install Disk Creator, Open the app. Connect your USB drive to the right port on your Mac. So having a USB Installer is must test all the steps below. The Install Disk Creator file is free and this is an easier option for most users. You can either make a bootable macOS Sierra installer USB drive with Terminal or with Install Disk Creator. To do this Open Finder, right click on the USB drive name on the left and then choose Rename. Make sure your USB drive is name “Untitled”. Instead you should close the file and proceed to create a bootable macOS Sierra install drive. Make sure to keep it pressed When Mac restarts, you’ll see the macOS Startup Manager with a list of bootable devices that your Mac can start up from. Restart your Mac while holding the Option key or Cmd R. Once you download the macOS Sierra installer do not proceed and install macOS Sierra. Plug in the bootable macOS Sierra installer USB drive to your Mac. Follow the on-screen prompts to finish the installation, then quit Terminal and eject the USB drive. Enter the command needed to put the installer on the USB drive. Go to Applications > Utilities > Terminal. How to Make a macOS Sierra Installer on USB Download Catalina, Mojave, or High Sierra and connect a formatted USB drive to your Mac. You’ll need to download the macOS Sierra installer from the Mac App Store once it arrives on September 20th. Download the macOS Sierra installer from the App Store.3 MB Project Storage Run Mac OS X El Capitan, macOS Sierra and High Sierra on QEMU/KVM. Make sure that your Mac can run macOS Sierra and then you’ll need the following items. On an Apple computer running OS X, create install USB drive. What You Need to Perform a Clean macOS Sierra Install No matter which option you do, we recommend that you have a current Time Machine backup so that your data is safe. ![]()
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