Re: Laptop display stays on with lid closed

2006/12/20, Andrew Pantyukhin <infofarmer_at_freebsd.org>:
>
> I only noticed this now, thought it is a hardware
> glitch. My laptop display - and its backlight -
> stay on when I close the lid. Shouldn't it be
> turned off like in an OS-independent way?..
>
> Anyway, mailing lists say that at least some lap-
> tops keep their display on with closed lid, I'm
> not sure about backlight though. I don't need the
> lid to trigger any Sx state, can I just get the
> display to turn off? BTW, acpi notices the lid
> closed event, so the trigger must be working.
>
> If not, I would appreciate a way to turn it off
> with some script, so that I can run it manually.




# sysctl -w hw.acpi.lid_switch_state=<any state suppoted by your laptop>
for ex, hw.acpi.lid_switch_state=S5 powering down my VAIO.