Re: [gentoo-user] monitor acting strangely when gdm starts

[Mick]

On Friday 18 February 2011 18:37:43 covici@××××××××××.com wrote:
> Mick <michaelkintzios@×××××.com> wrote:
> > On Friday 18 February 2011 10:35:15 covici@××××××××××.com wrote:
> > > Hi.  I have a Nvidia GeFORCE 8400 gs and when I am using the text
> > > console and frame buffer (uvesafb) things are OK, but when I start gdm,
> > > the monitor acts as though it was disconnected altogether.  It works
> > > under Windows through a KVM, so I am pretty sure the monitor is OK, but
> > > I don't understand what happens when gdm starts.  I have
> > > Nvidia-drivers-260.19.36 but even some earlier versions I try give the
> > > same result.  Is my card going or what?
> > >
> > > Any ideas would be appreciated.
> >
> > Have you followed this?
> >
> > http://www.gentoo.org/doc/en/xorg-config.xml
> >
> > and are you using KMS?
>
> I have not changed the config from working to non-working -- if it will
> help I can post it.  I am not sure what kms is -- I use gnome as the
> desktop.

Have a more considered look at the link I've given.  Check the kernel settings 
proposed there and take note of the disabling of u/vesa drivers.
-- 
Regards,
Mick