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I decided to go to the Elementary, but installation issues "critical error", saying "failed to install grub-install dev / sda" (not literally wrote). How to fix it can be. Notebook Asus K56CB. Mount as Rufus, and UltraISO, there is no difference.

marked as duplicate by Lewis Goddard Sep 24 '16 at 20:44

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Try connecting to the internet when installing elementary OS. This happened to me and connecting to the internet solved the problem.

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