> > fblevel is for that. AFAIK it goes from 0 (off) to 15 (maximum brightness). > > Isn't it 35?, or to put it this way: Is 35 dangerous (PB 3400)? 1-35 is used by some other tool that talks directly to the PMU (bypassing the kernel, that's why the kernel never learns about the changed setting and restores its old setting on e.g. wakeup). fblevel uses the ioctl interface which is scaled 0-15. Michael