Ibook G4 Screen/Backlight problem

Discussion in 'PowerPC Macs' started by fire alarm, Jan 30, 2011.

  1. fire alarm macrumors newbie

    Jan 27, 2011
    The wierdest thing is happening with my Ibook g4. While i am using it, the backlight or the screen(i'm not sure which it is.) will slightly dim and then get brighter. As I type this it is getting brighter, now it's dimming. Any ideas what the heck is wrong with it? I'm really hoping it's just my eyes, not the laptop. :p
  2. alust2013 macrumors 601


    Feb 6, 2010
    On the fence
    It's probably the ambient light sensor adjusting screen brightness to the current light conditions.

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