모델 A1225 / Mid 2007 and Early 2008 / 2.4, 2.8, 또는 3.06 GHz Core 2 Duo 프로세서

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First three LED lit but nothing shows on the LCD?

I've replaced the HD and one memory chip 2GB for a 4GB now nothing powers up except the DVD disk drive.

I cannot hear the HD even begin to power up and spin even though the power seems to indicate there is a 3rd LED diagnostic bulb lit. Any ideas as to how to proceed?

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I think you'll need to open your system up again and check your connections.

Did you have a hard time disconnecting any of the cables? you could have damaged LDVS cable or connector on the logic board.

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No the connectors seemed to come right off - I dicsconnected the HD and the comp did not even acknowledge being void of memory with a ? mark

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