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raygabriel059
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will not start up

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MacBook Pro 15 inch 22 Core 2 Duo Models A1226 and A1260

when i push the start up buttom nothing happen,no sound,no display,nothing,when i turn it off it was working fine next time i turn it on nothing,i put the opertating disk in and you can hear it run but nothing show up

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mayer
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Try resetting the SMC: http://support.apple.com/kb/ht3964

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