The MacBook family was first introduced in May 2006 and replaced the iBook as Apple's consumer laptop.

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Screen went dim and won't come back

I connected and external display and it works fine, I replaced the internal display with a new one and it is doing the same thing. Logic board?

Answered! View the answer I have this problem too

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If it works with an external display the logic board is probably good. The most likely cause would be the inverter board or the cable from the logic board to the LCD.

MacBook Core Duo Inverter Replacement

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This is just a guess but the back light of the display could be a separate circuit then just the LCD it self. I ran into that once on an IBM.

Good Luck!

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