Re: Fwd: backlight stays off
Also sprach "David Berg" <email@example.com> (Sat, 18 Feb 2006
> On 2/18/06, Richard Mittendorfer <firstname.lastname@example.org> wrote:
> > Also sprach "David Berg" <email@example.com> (Sat, 18 Feb 2006
> > 12:37:30 -0600):
> > > [...]
> > > My current problem is the backlight. Running `xset dpms force
> > > off` works just fine and the system wakes up with no problem. The
> > > problem is with a lid event the backlight goes off (though the
> > > screen doesn't blank) and I haven't been able to get it to come
> > > back on with out rebooting. This happens whether the acpi script
> > > is empty or contains the `xset dpms force off` command.
> > > [...]
> > First, can you switch it back on with some tool, maybe via ssh or by
> > blindly typing it in? 'cause I've heard of some issues with broken
> > (display)drivers too.
> xset dpms force [off|on] -- neither of these turned the backlight on
> once it had been shut off by the lid event.
> Is there another command I should try to toggle the state of the
> backlight? a cli to the driver or something similar?
Yeah. Various. On my toshiba I use "toshset -bl on" (there are other
ways too). I can't tell which one is suitable for your chipset/box;
apt-cache search, what chipset/laptop is it? Also have a look at
www.linux-laptop.net and tuxmobile.org