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Chime loop

T

Tenthomas

macrumors newbie
Original poster
Sep 30, 2012
2
0
i upgraded my MAC Pro 2008 to el Capitain the other day. It worked fine until today when it won´t boot anymore, just hangs in a chime loop with black screen. The only thing that stops the looping chime is when i press option or take my HD out, but the screen is still black.
 
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