Output disappearing with intel driver

[Erik Nilsson]

Hi there! 

I've run into some strange behaviour with my laptop with an intel G945
graphics controller.

First it worked fine with my external monitor (connected with DVI), then
I tried it without it attached - worked fine - then reattached - bummer
no picture on the external display. 

I've tried to troubleshoot it and the problem seem to be that xrandr (or
even deeper down: the intel driver) isn't detecting and TMDS-1 output
anymore. That is, it's just not failing to detect that it is connected,
i doesn't even show up when I run the xrandr command.

This is all on Ubuntu Hardy Heron (and, no it didn't stop working with
the upgrade, it happened later on).

Any suggestions? 

Regards, Erik
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