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Succesful installation of macOS High Sierra Public Beta FINALLY but a weird way of going about it. Worth reading.....
http://brainout.net/frankforum/viewtopic.php?f=51&t=748
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Author:  5735guy [ 14 Aug 2017, 15:53 ]
Post subject:  Succesful installation of macOS High Sierra Public Beta FINALLY but a weird way of going about it. Worth reading.....

..... For some time now I have been attempting without success to install macOS High Sierra Public Beta on my late 2009 21.5" iMac. Each time the installer was throwing up an error verifying firmware message. Probably no great surprise the amount of tinkering around it has had (Intel Core 2 Duo CPU upgrade from 3.06GHz to 3.33GHz, maxed out 16gb RAM and two 1TB Seagate SSHD's) not exactly Apple specification :devil:

Plenty of hair pulling and frustration I thought I would give it another bash but using a very different method.

1) Installed macOS High Sierra Public Beta in a virtual environment using VMware Fusion 8.5

2) Once installed shut down the macOS High Sierra Public Beta virtual machine.

3) Mounted the virtual image using Paragon VMDK Mounter.

4) Cloned the mounted image to a physical partition using Carbon Copy Cloner 4

Viola :eek: IT WORKED

Author:  brainout [ 16 Aug 2017, 14:44 ]
Post subject:  Re: Succesful installation of macOS High Sierra Public Beta FINALLY but a weird way of going about it. Worth reading....

GREAT!

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