Ubuntu
xserver-xorg-video-nv package

  1. Bug #102683
  2. Comment #11

Comment 11 for bug 102683

Revision history for this message
Timo Aaltonen (tjaalton) wrote :

man nv says:

       Option "CrtcNumber" "integer"
              Many graphics cards with NVIDIA chips have two video outputs.
              The driver attempts to autodetect which one the monitor is con‐
              nected to. In the case that autodetection picks the wrong one,
              this option may be used to force usage of a particular output.
              The options are "0" or "1". Default: autodetected.

so you could try setting:

Option "CrtNumber" "0"