External monitor not turning on

[Alex Deucher]

On Wed, Jul 30, 2008 at 4:12 AM, jake briggs <jakbri at coretech.co.nz> wrote:
> Hi All
>
> I am having a bit of trouble with getting an external monitor on a
> laptop to work. Both the displays mirror each other all during the boot
> process, until GDM starts X! Then, only my laptop screen is active and
> my external monitor turns off :(
>
> Thing is, xrandr thinks the monitor is present. Taking a screen shot of
> the whole desktop with the application provided by Ubuntu shows both
> monitors, but only one is going....
>
> Here is the output of xrandr, showing that it thinks everything is hunky
> dorey - VGA-0 is "connected" and set to 1280x1024 :

Please upgrade to xf86-video-ati version 6.9.0 or newer.  The dac
handling was broken for some IGP chips in earlier versions.

Alex