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  1. #1


    Member Since
    Oct 15, 2009
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    25
    Angry screen is getting bright then dark while in use
    idk what is the cause of this but as i am using my macbook pro the screen is getting darker and brighter.... i keep my screen brightness around 8 and it goes all the way up and then all the way to 2 .. and this is happening whiles im using it

    can any figure out the cause of this?

    Thanks,
    Candy

  2. #2

    Kash's Avatar
    Member Since
    Dec 03, 2006
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    Irvine, CA
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    Black Macbook C2D 2GHz 3GB RAM 250GB HD iPhone 4 iPad 3G
    Does it do this when you're actively using the computer (i.e. typing on the keyboard, moving your finger on the trackpad) or is the screen dimming when you haven't touched the computer for a few minutes?

    June 2007
    July 2009

  3. #3


    Member Since
    Oct 15, 2009
    Posts
    25
    yes i am using it when this is happening....im typing and or using the trackpad as tht is happening..
    i even put it at a brightness of 2 next few sec. its brighter
    i put it as 2 and right now it went to 5 but it keep moving up n down

  4. #4

    D3v1L80Y's Avatar
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    Feb 02, 2004
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    MacBook
    Sounds like the ambient light sensor is just doing its thing.
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  5. #5


    Member Since
    Oct 15, 2009
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    Quote Originally Posted by D3v1L80Y View Post
    Sounds like the ambient light sensor is just doing its thing.


    and how can i fix this? can i fix it? or should i just take it back to the apple store?

  6. #6

    D3v1L80Y's Avatar
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    Quote Originally Posted by candy1987 View Post
    and how can i fix this? can i fix it? or should i just take it back to the apple store?
    There is no "fixing" it, that is what it does... it's a feature of the Pro line of notebooks.
    Its purpose is to conserve battery power.

    If you want to disable it, follow these steps to turn the automatic display brightness feature on or off:
    1. From the Apple menu, choose System Preferences.
    2. From the View menu, choose Displays.
    3. Click the "Automatically adjust brightness as ambient light changes" checkbox.

    Alternatively, you can use F8, F9 and F10 to control it.
    __________________________________________________
    Posting and YOU|Forum Community Guidelines|The Apple Product Cycle|Forum Courtesy

    mac: a waterproof raincoat made of rubberized fabric
    MAC: a data communication protocol sub-layer, also known as the Media Access Control
    Mac: a brand name which covers several lines of personal computers designed, developed, and marketed by Apple Inc.


  7. #7


    Member Since
    Oct 15, 2009
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    omg! lol thanks...i thought i broke it or something! lol...was getting worried..


    Thank you so much!!!

  8. #8

    walkerj's Avatar
    Member Since
    Feb 13, 2005
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    New Orleans, LA, USA
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    Specs:
    13" Macbook Pro 2.26Ghz Unibody 4G RAM 160G HDD Superdrive
    This thread is timely because just today I was working in my office with the lights off and the windows open and my MBP kept switching on the backlit keyboard. Keyboard goes on, keyboard goes off. It was a partly cloudy and windy day, and with the lights off the ambient light kept changing from dark to light randomly as clouds obscured the sun!

    Didn't notice the screen brightness change, but the sensor works well. If you want to see it in action 'intentionally' put your hand over the camera. You'll see the screen dim and the keyboard backlight come on. I think it's cool.

  9. #9


    Member Since
    Oct 15, 2009
    Posts
    25
    lol its cool when u know what is going on...lol unlike myself it wasn't at the time

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