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Then, Terminal will copy the installer file to your disk. You’ll see that Terminal erases your drive. It won’t display characters when you type, so just do it. Terminal will ask you for an admin password (the one you use to log in).Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ Sierra.app -nointeraction Enter the following text into Terminal:.Launch Terminal (Finder Applications Utilities Terminal).If your drive is named something else, you need to rename it (Open Finder -> right click on the USB drive and choose Rename).When the process is complete, click Done, and close the Disk Utility window.
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Select Mac OS Extended (Journaled) from the format list. Click the Erase tab at the top of the Disk Utility window.To format a USB drive launch Disk Utility (Finder -> /Applications/Utilities/Disk Utility).Create a bootable flash drive with macOS Sierra.įirst, make sure your USB flash drive is formatted and named as “Untitled”.
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Step 3: Clean Install macOS Sierra on your startup diskġ.
#DOWNLOAD INSTALL MAC OS SIERRA .APP HOW TO#
LEARN MORE: How to Clean Install the macOS High Sierra? It has plenty of new features, and also has the same easy clean install and upgrade flow as did the previous OS.
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MacOS Sierra is a fantastic update arriving from Apple to make us love our Macs even more. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.