It has always worked great for me when making bootable installers (before High Sierra). Click on Startup Disk and select the installer. How do I download High Sierra from USB To install High Sierra from a USB using your startup disk drive: Go to System Preferences. Give the USB stick a name, then click Erase. It makes creating a bootable USB thumb drive VERY easy. Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab. Apple silicon Mac: Restart your Mac by holding down the power button during the boot process. There's an app called DiskMaker X (free/30 day trial). So now youve made your USB bootable installer, you can use it on multiple compatible devices to install macOS heres how: Connect the USB to the device you want to install the Monterey macOS. Once the process comes to an end, put the USB flash drive on your Mac PS to reinstall, install, or ugrade the OS to macOS’s newest version, which could be Sierra or above.
CLEAN INSTALL MAC OS SIERRA WITH USB UPDATE
The 3rd or 4th procedure I tried (I think it was from Engadget).worked fine.Īlso be aware.if High Sierra has never been installed on a computer previously.a firmware update may be needed first. Step 13: Now click Open > OK > Yes’ to make the macOS USB bootable media. The first 2-3 procedures I tried didn't work (not sure if there was a typo in the statement in the procedure online or what). The unfortunate part is some of them don't work properly.Īll of them include the long statement you need to copy & paste into Terminal to create the bootable USB installer.
CLEAN INSTALL MAC OS SIERRA WITH USB HOW TO
There are many DIY procedures on the internet how to do this (for High Sierra).all of them use the Terminal app as part of the procedure. The biggest hassle was creating the bootable USB thumb drive installer for High Sierra. I recently did a clean install of High Sierra on a 2010 Mac Pro (brand new had no previous macOS installed).
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