13" aluminum unibody, 2.0 or 2.4 GHz Core 2 Duo processor.

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Installed backlight but it doesn't work

Hey everybody,

I installed the backlightpanel into my MB Unibody A1278. I followed the instruction given on ifixit.com. Every cable is exactly connected, but the keyboard is still not illuminated.

Has anybody any idea to get my keyboard illuminated?

Thanks for any helpful answers.


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Did you already have a keyboard that can control the backlight? I have the same model of Macbook and my backlight is controlled by the F5 and F6 buttons. I changed the entire topcase to get a backlight on mine. (Old topcase was damaged in a liquid spill)


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Hey there,

now it works. There's a sensor installed and this reduces the brightness. I didn't know that it is build in.

Now my backlight shines and looks great.

Thanks for your help. An by the way: The F5 and F6 keys have no sign, but work the same way...


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Christian will be eternally grateful.
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