OS X Mavericks Screen brightness auto adjusting even when option is disabled Now I know from trying to find an answer to this to go uncheck the auto adjust box, since apparently it got checked when I updated to Mavericks, but now it seems my MacBook Pro has a mind of its own and still feels the need to auto adjust when I'm not doing anything.

I made sure 10 times at least that the auto adjust box wasn't checked, and it's not. So why is my Mac randomly doing this? (and btw, this only started today, and I got the update on the first day it was available)
I was just struggling with the same issue—it really annoyed the hell out of me. What helped me was a good ol' SMC reset:

See http://support.apple.com/kb/ht3964 on how to do it.