[GTALUG] Headless laptop - controlling X settings

Lennart Sorensen lsorense at csclub.uwaterloo.ca
Tue Jan 26 14:37:40 UTC 2016

On Tue, Jan 26, 2016 at 11:29:01AM -0500, Mike wrote:
> If X is indeed running on the affected monitor, and you can get remote
> authority to write to the X server driving your VGA port, you might be able
> to control the output using "xrandr". It might also be possible to specify
> an xrandr command line for the display manager's benefit.
> X.org configuration has gone largely automatic, but it should still be
> possible to constrain the monitor settings without going full-tilt into
> CRTC timings...

Certainly the /var/log/Xorg.0.log or whatever it is called these days
might be useful to look at to see why it might be giving bad timing.

Len Sorensen

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