Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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No boot after logic board replacement.

Hi Everyone. I just completed the replacement of my logic board. The unit powers up(fan running) , has three LED's , will take in a cd and spin it up. No picture or boot up. Help please !

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I would recommend double checking all connections. What was the reason for replacing the logic board?

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it was diagnosed as being bad. It suddenly stopped powering up one day.

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I almost wonder if the power supply was/is bad. They've been known to let the computer boot up but not complete the pre-tests.

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Yes, check 5 display connectors

Here

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randy will be eternally grateful.
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