Re: trouble reconfiguring xserver-xorg

[Haines Brown <haines@histomat.net>]

I raised this question before without success, and here rephrase the
question.

Normally xrandr reports that VGA-1 is disconnected and DVI-I-1 is
connected. However, currently both are connected. Problem is that the
display comes up with a low resolution. I'm running Jessie, but an
installation of Wheezy on another drive on the same machine
automatically gives me the 1920x1080 resolution with the same nouveau
driver.

I'm apparently using DVI-I-1, but highest available resolution is not
being selected. In the return for xrandr I get

  1920x1080  59.83 +
  ...
  1024x768   60.00 *
  ...

For VGA-1 I get

  1024x768   60.00 *
  ...

What is the mechanism/script that automatically selects my card's
optimal resolution? How can I disconnect the VGA-1 so that what it
has as current does not conflict with the DVI-I-1 current?