Hello, I have recently bought a new SSD for my iMac 9,1. I do not want any files from my iMac on my new drive and I want a fresh install of the latest macOS software. When I plug my SSD into my iMac via a USB connection the computer displays the message: The disk you inserted was not readable by this computer. I have tried to go onto Disk Utility in order to partition the drive but the only drive displayed in the control panel is the internal hard drive in the iMac. How do I partition and Install a fresh version of macOS?
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