Every option to move from Sierra --> High Sierra (or Mojave) is not working.

I have a stable Sierra installation that I've been using since shortly after Sierra came out. I'm trying to move to High Sierra. ...

I have a stable Sierra installation that I've been using since shortly after Sierra came out. I'm trying to move to High Sierra.

  1. If I create a bootable install USB stick with High Sierra using Unibeast, it doesn't show up in my boot options when I hit f12 upon startup. The computer recognizes the drive and its EFI partition normally when I'm booted into Sierra, but not the boot options menu.

  2. If I try to run the "Install High Sierra" app, it wants a password to install a "Helper" application, then says it will restart a few times during installation. It restarts all right. Once. And when it restarts, nothing happens. It just boots Sierra normally and sits there indefinitely. I have uplugged all other drives and made sure it is auto logging in to the only account created on the installation (obviously the admin login). Still nothing.

  3. Out of desperation I tried to install Mojave instead. The installer application says "click to continue" from the first screen, and when I do, it sits there for 30 seconds and finally gives me an error: "Downloading installer information to the target volume failed."

I'm using an old-ish 64 gig SSD which shows no signs of failing. It still has 18.5GB of empty space, so I'm not just running out of storage.

Any suggestions for how I might get to High Sierra are appreciated.

I have posted more details in a thread on TonyMac, including my machine's specs:

https://www.tonymacx86.com/threads/z77x-ud5h-trouble-with-clean-install-of-high-sierra.271020/

submitted by /u/B_Huij
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iATKOS Inside: Every option to move from Sierra --> High Sierra (or Mojave) is not working.
Every option to move from Sierra --> High Sierra (or Mojave) is not working.
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