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PowerBook G4 Aluminum laptops with 12-inch displays. Released in 2003 from Apple.

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Why is the screen dim?

I just took it apart to remove a loose screw in the optical drive and now the screen is dim...did I disconnect something? I am also having trouble getting the keys back on (is it a coincidence that one of the keys I removed was the dimmer key and the other is the brightener key)

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are you saying that you cannot increase brightness because the key is not working?

da

Thanks for the tips, I tried an external keyboard and proved that the problem is not the keyboard. I think I might have tweaked the display cable when I was putting the computer back together or maybe I mixed up some of the screws, could a too long or too short screw cause a problem?

da

DEAR LEMERISE..THE screen is very dark...if I turn it at a particular angle I can see the icons,etc on the screen.

da

12"...I've ordered a new display cable and when I get it i'll recheck all of my screws to make sure they are the right ones in the right places..thanks for your advise

da

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Soluzione Prescelta

You may go to the system preferences display preferences and check if you can modify the brightness from there. If yes then the keyboard has a problem. Try with an external USB keyboard.

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try turning up the brightness, also charge your battery, the screen dims when the battery lowers, you could try to check the display cable too.

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What is the PowerBook model (speed) ? 12"/15"/17" ?

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You still have video in the screen so the new display cable will not solve the problem. From your description it seems to be a lightning problem related to the inverter cable, inverter board or backlight. You say the screen is dim. Is it completely black or there's still light in it ?

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If the long screw you are referring to pinches a cable it can cause problems.

only YOU can tell if you put it together properly - why not take it apart and check - that way you also can check if you damaged a wire by routing it incorrectly.

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oliviachas sarà eternamente grato.
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