Dell N5010 Laptop...in either Mint Maya KDE, Mate, XFCE, Cinnamon (and actually Ubuntu 12.04, Bodhi as well)... when attempting to adjust backlight, whether by function keys or applet slider... if I don't dim/brighten it one "tick" at a time and then wait few seconds between each on completely settled session (completely booted and settled), and/or especially when just booted up... Mint freezes, and I have to manually power down (hold power button till off).
The only distro that I've tried so far that this doesn't happen in is SolusOS (maybe because not Ubuntu based???)... But I started out (after much research) as a Mint 11 user over a year ago, and love Mint! And like the Ubuntu repos compatibility, etc..
Currently posting from Maya Cinnamon.
Thanks in advance for your consideration and assistance.
P.S. I attached screenshot of sys details, but can't remember terminal command to get more detailed ones.