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#How long does it take to boot mac os in virtualbox mac os x
#How long does it take to boot mac os in virtualbox install
#How long does it take to boot mac os in virtualbox download

You should now be able to boot from the USB drive and install macOS Sierra from there.

Select the USB flash drive you created from the list of drives and press enter.

Startup the iMac holding down the option key.

Eject the USB flash drive and now connect it to your iMac (the one you want to reinstall macOS Sierra on).

Eventually the copy process will be over and you should see a Done message in Terminal.

Once the erasure is complete, you will see a prompt that files are being copied to the disk.

Wait for your USB flash drive to be erased (you’ll see the progress via % values appearing within the Terminal window).

At the next prompt (about erasing your drive) press the Y key.

Enter it now and press return (note that you won’t see the cursor move or display any of the characters you enter) You will be prompted to enter your user password. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ Sierra.app It may be best to just copy it from here (try triple-clicking) and paste it in. Now enter the following command into Terminal.

Connect the USB flash drive to the same Mac.

Grab a USB flash drive of at least 8GB in size.

After its downloaded, the installer will launch automatically.

#How long does it take to boot mac os in virtualbox download

On another Mac, download the macOS Sierra installer via the Mac App Store.Since you're a long time Mac user I'm going to assume you have access to another Mac, so my suggestion would be to try reinstalling a fresh version of macOS Sierra via a USB installer. This is the type of UX pain that really irks me, and very unlike Apple.

#How long does it take to boot mac os in virtualbox mac os x

I did read installation stuck in a loop due to damaged HD and Mac OS X Sierra installation stuck in a reboot loop but neither is about the same looping scenario as I find myself in. Below is a visual representation of this madness:Īlso, clicking on 'continue' instantly displays the next/previous screen - there is no indication that anything else is happening - not even the apparent eligibility check.

I have tried the above steps again today with the exact same result. Apple File System (APFS) is a proprietary file system for macOS High Sierra (10. Be sure to enable barriers unless your disks are battery-backed one way or another. And now I’m back at Step 6 again and get stuck in a loop between steps 6 & 7. It has been a long time coming but as planned, Ext4dev has been renamed to Ext4 in 2.I clicked continue again when it told me to click ‘continue’ to download and restore macOS.I clicked continue when it told me to click ‘continue’ to set up the installation.I selected Reinstall macOS from the macOS Utilities window.I opted to erase the HD with a 2 pass secure erase.I selected Disk Utility from the macOS Utilities window.I used Command-R to boot into macOS Recovery.Yesterday I decided to reinstall macOS Sierra on my iMac. I am a long time Apple Mac user since the 1990s, and I have never come across this sort of ridiculous behaviour before.