Re: Cannot output to external monitor

[John Magolske <listmail@b79.net>]

Hi, 

* Camaleón <noelamac@gmail.com> [110502 10:14]:
> On Sun, 01 May 2011 10:35:17 -0700, John Magolske wrote:
> > I'm having trouble getting anything to output from my X40 ThinkPad to
> > an external VGA monitor. Under X, `xrandr -q` outputs the following
> > regardless of whether or not the external monitor is plugged in:
> > 
> >    % xrandr -q
> >   Screen 0: minimum 800 x 600, current 1024 x 768, maximum 1024 x 768
> >   default connected 1024x768+0+0 0mm x 0mm
> >      1024x768        0.0*
> >      800x600        61.0
> > 
> > Pressing Fn+F7 and typing `xrandr --output VGA --auto` has no
> > effect...the external monitor remains totally blank.
> 
> (...)
> 
> I've seen some reports related to problems with the VGA output in X40 
> ThinkPad notebooks:
> 
> xserver-xorg-video-intel: corruption on external VGA display
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=569135
> 
> [i855gm] VGA out flickering after upgrade to lucid (regression)
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/589140
> 
> After reading the bugs, it is still no clear (at least for me) if the 
> problem can be bypassed somehow (by installing an updated video driver/
> xorg version/kernel) or still open/unsolved.

I updated xserver-xorg, xserver-xorg-core & xserver-xorg-video-intel
but the problem persisted until I updated the kernel from
linux-image-2.6.28-grml to linux-image-2.6.31-grml. Now the external
monitor is recognized no problem.

Thanks for the reply,

John

-- 
John Magolske
http://B79.net/contact