I do have another Mac and a Thunderbolt cable but I'm not quite sure of the process to use another computer to install the OS. I do have macOS installer on a USB drive but again, when I restart and hold Option it does the progress bar. I assume as soon as I and it goes to that progress bar which makes me unable to hold Command to choose a boot location.
To do this, navigate to the Apple icon in the top left corner of your screen, and click Restart. Theres also some more screen shots in that thread.Įdit: I should add that I tried restarting and holding Command Option Rto do an Internet recovery but when do it takes me back to macOS Utility. Step 1: Start by entering Recovery mode on your Mac. Heres a link to a reddit thread I made where some one tried to help me out so you can see what I've tried. The remaining time gauge has not been accurate for me for several macOS releases, so I ignore it. I did not look closely at the clock, but I think my MacBook Air (2013) took about an hour, my Mac mini (2010) took maybe 75 minutes.
#REINSTALL MACOS HIGH SIERRA HOW TO#
With my issue I'm not exactly logged in to any account and don't know how to give myself permission.ĭoes anyone have any ideas to fix this issue? Using a bootable USB installer thumb drive, I installed High Sierra on two Macs. When I search for this problem it looks like most people aren't reinstalling the OS and just installing a program so their issue seems to be they are not using an Admin account or what not. I went to install the OS again and when I select the drive and hit "install" I get "The operation couldn't be completed. So I wiped my computer at work using the disk utility.
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