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Mac laptop displays minimum brightness

My mac laptop display defaults[?] to minimum brightness (nearly black screen) at start up.  This problem is random, as far as I can determine.
Shining a bright light on the screen allows for mouse pointer tracking, which then allows for the following fix: System Preferences > Display > Maximum Brightness.

Why does my mac laptop randomly start up with a dark screen?

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  • skleitz Mar 04, 2008

    Thanks, I think I fixed the problem by changing the System Settings to not dim the screen to minimum brightness after five minutes (or when there's low battery power).  I set these for three hours, added a screen saver option, & haven't had the problem since.

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Check to see if there is a box right below that... Saying something along the lines of readjust to brightness of surroundings, etc!  Make sure box is unchecked for you, in regrds to your issue and then see if that helps!  I will look a little further into it for you!  Let me know if that helps though!

Posted on Feb 23, 2008

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