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Mid 2006 / Model Number: A1181 / black or white case / 1.83 or 2.0 GHz Intel Core Duo processor

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Why Cannot Format and Come Out " No Sign"

I want to format macbook model A1181 to yosemite then after boot from Yosemite after the loading apple logo the 'international No SIGN ' come out. Please help me .. thank you

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1 Answer

The A1181 models before 2009 can't run Yosemite.

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