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Apple Fan 2008

macrumors 68000
Original poster
May 17, 2021
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Florida, USA 🇺🇸
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If you have the restore DVD for a 1st gen Apple TV - why not reinstall with that?
A Tiger restore DVD for an Intel Mac won't install on that Apple TV.
I see that the Apple TV originally shipped with a special build of 10.4.7 - so you must have that original

added - Of course, I wasn't thinking this through... the Apple TV would not have shipped with anything other than the software that was installed... So, that's your question - how to reinstall.
I did find this: https://tinkerdifferent.com/threads/installing-mac-os-x-leopard-on-the-apple-tv-1st-generation.733/
I would probably try Leopard anyway, as it has code for both PPC and Intel (no worries about an intel version
 
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I did edit my post #2, there's a link for a variety of alternative Mac system installs on your 1st gen AppleTV.
 
I got this far, HELP!
 

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That "prohibited" symbol tells you that either something about the system is missing, or corrupted, or the system version is not compatible with the Apple TV.
 
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