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Elven

macrumors 6502a
Original poster
May 13, 2008
862
1
UK
Trying to wipe, and internet restore two 2015 Mac Mini's to (Sierra/El Capitan)

Whenever I have got past the sign in with Apple ID, and clicked on the Macintosh HD to install, it will pop up "This item is temporarily unavailable"

Of course, I cannot proceed any further and I am currently stuck. Is their a bypass for this? my only other computer is a Windows 10 machine.
 
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