How to disable low display brightness when power fail?

Erich Dollansky erichsfreebsdlist at
Tue Feb 4 10:23:12 UTC 2014


On Tue, 4 Feb 2014 01:55:13 -0800 (PST)
Unga <unga888 at> wrote:

> Hi all
> I have a laptop running FreeBSD 9.2 and KDE4. 
> When main A/C power fails, this laptop immediately reduces the
> display brightness. When power restores, it also immediately restore
> the full brightness.
> Because of this I cannot show a presentation without power.
> Therefore, how to disable becoming low bright when no main A/C power?
> I prefer a xorg.conf entry.
there is an entry in the system settings. If I remember right, it is
also named power. Just open the system settings and you will see it.


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