Here are my DSDT files: http://www.mediafire.com/?a2upinpllun05l3 http://www.mediafire.com/?a2upinpllun05l3 -- View this message in context: http://freebsd.1045724.n5.nabble.com/Lenovo-Y570-backlight-tp5726207p5726829.html Sent from the freebsd-x11 mailing list archive at Nabble.com.