crwdns2934241:0crwdne2934241:0 Sergio Lema

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Starting chime sounds repeatedly, light on, No Display

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So, my MacBook Pro makes the starting chime, but nothing happens, after about 5 seconds, again the starting chime sounds, but nothing happens, there is no display. This happens continuously.

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MacBook Pro 15" Unibody Late 2011

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open