![]() ![]() I have read of issues with OWC discs not accepting the upgrade on certain machines, but the problem appears to affect a different brand disc (Aura), and a different year Mac Pro. Didn't feel comfortable using the tool they describe above, but wonder if this is part of the issue.ģ) The new disc is an SSD from OWC. ![]() I have read that some users are getting a small download, rather than the full download file (see below). After that when I start my MacBook it shows a folder with question mark on it and won’t start, so I googled. Don't fully understand this step, but since I was booted from my old drive, was it updating the right firmware?Ģ) It downloaded a very small file from the app store to start the process. The installer information on the recovery server is damaged Last I had done a factory reset on my MacBook Air 2017 model and while I was installing Mac OS High Sierra the installation didn’t complete, I don’t know why and how. Same thing.ġ) When I first downloaded it asked to update my firmware. Waited an hour, then deleted and tried a couple times. Grey bar is about 1/8 of the way through. The installer does see the new disk, but keeps freezing after installing 4 files (AppleDiagnostics.chunklist, Basesystem.chunklist,, and index.sproduct). Wondering what the next best method for installing the OS on the new drive would be? Not sure if I can just download it, and install it on the SSD from my current startup, or if I can to create some kind of external bootable drive. Also, since my current drive is running Yosemite, it seems that is what OS Recovery would install. I can connect to the wifi, but not to the internet through this manner, and I don't have easy access to the router or a wired connection. But I am in a building with a shared wifi, and apparrantly there are limitations to what type of wifi security works with internet recovery. Original plan was to use Internet recovery to load the system onto the new drive. My current drive is still running Yosemite, so was planning to do a clean install of High Sierra on the new drive, and then migrate my data from the existing drive to the new SSD. My existing startup drive is in bay 1, and the formatted but empty SSD is in bay 2. I added a new SSD drive to my mid-2010 Mac Pro, and want to do a clean install of latest OS, but keep hitting snags.
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