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My backlight's long slow death is complete, please advise

A while back (probably 9 months or more) I replaced the HDD in my iBook G4 (1.2 GHz). Everything went smooth, expect that from then on if I adjusted the screen too far towards me the backlight would flick off and I couldn't get it back on, except by putting it to sleep and then reawakening it with the screen in a better position.

About two weeks ago, it started flicking off when I adjusted it too far away from me as well and now it seems to be permanently off. I now have it connected to an external display, which works fine, but it means I now just have an underpowered desktop.

I can live without a fix (My new iPod Touch coming will become my mobile computer), but if it is something that is fairly inexpensive I'd like to fix it. I'm pretty comfortable opening up and fiddling inside the iBook. So far I've replaced the HDD and the DC-IN board.

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Hi, I would check out the display and inverter cables. Since this problem varied with the movement of the screen I suspect one or both cables might be loose from when you had the unit open to replace the drive. I am including the link to the guides. Ralph

iBook G4 12" 800 MHz-1.2 GHz

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+ to check this, hook it up to an external monitor and if it works I would replace the Display Data Cable.

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+He currently has it hooked up to an external. It sounds like bad cabling to me.

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Thanks for all the replies. Now, just to be sure before I open my iBook up again, is this more likely a loose cable or a damaged cable? In other words, should I buy spare parts before opening it up?

Also, it looks like I didn't make it clear in my original post that the LCD seems to still be working (I can navigate using a flashlight), it is just the backlight that isn't working. And yes, my external monitor is working great.

Thanks again for the help.

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