Question about Apple MacBook 13"White /2.0Ghz Intel Core2 Duo White/2GB (2x1gb)/80GB/SuperDrive (Z0DT) Mac Notebook

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My MacBook screen is dimly lit on start up and I have to hold down the Function key and tap the F2 key to bring the screen up to appropriate brightness levels. I can't find an application in System Preferences that will allow me to permanently reset the brightness level. What's causing this problem and how do I fix it?

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  • curmudgeon48 Nov 20, 2009

    Thanks, but that isn't the problem. The AC adaptor is always connected. I only disconnect to transport the laptop which is very, very infrequently.

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To extend battery-life, when the AC adapter is not connected, the laptop will reduce the brightness. Connect the AC adapter.

Posted on Nov 20, 2009

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Adjust brightness screen


Please try to give as much detail as possible. Model/year is useful, so I'm going to have to take a blind leap.

On the function keys along the top row of the keyboard, you should see two keys that looks like a sun. On my keyboard of a 2013 MacBook Air, it is F1 and F2. While holding down the "fn" key (bottom left had corner) press F1 and F2 to adjust as you wish.

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don't 'hold' the function and f2 key together. only hold the fn key down and tap the f2 key. I am assuming this is the key combo which toggles your video out options. make sure this is the right key combo. I thought 'fn' and f4 were the two for video. Every manufacturer uses a little different schematic, but just look closer at the symbol on the f2 key. you may just be toggling the wireless on and off.

Does the logo or flash screen come up when you first start the computer? Can you access your BIOS? There is sometimes an option in there as well which tells the laptop where to route the video signal. If its set to CRT, theres your culprit, toggle it to either LCD or CRT + LCD

Hope this FIXed-YA, Please leave us some feedback so we can know whether your problem was solved to your satisfaction.

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The keyboard has function keys just like the Dell. Hold down the FN key and tap the key that has a little sun + or - on it.

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