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The aluminum PowerBook G4 was released by Apple to replace the previous titanium-body model. The 12" and 17" versions debutted in January 2003 with the 15" version following in September of that year.

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Data Display Cable Not The Problem, What Next?

Screen is lit but no data. Data shows up on external monitor.

I replaced the Data Display Cable and still the same problem. Any suggestions on what to try next?

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Next is the inverter board. But we really need to know your exact model to direct you to the correct part and installation instructions. Also see this question to save time installing it: Replacing the inverter board charges

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I thought the inverter board had more to do with the screen going black (no back light) or is that just one of the things the inverter board does?

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tueywilson will be eternally grateful.
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