Comment 47 for bug 1167301

I have tried a Quantal live CD now and there the bug does not show. The external monitor mirrors the image of the internal monitor in exactly the same resolution as the internal monitor, 1366x768.

I have also run "xrandr" and the external monitor reports back many more modes than under Raring or Saucy:

Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm
   1366x768 59.8*+
   1360x768 59.8 60.0
   1024x768 60.0
   800x600 60.3 56.2
   640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 510mm x 287mm
   1920x1080 60.0 +
   1680x1050 59.9
   1680x945 60.0
   1400x1050 59.9
   1600x900 60.0
   1280x1024 60.0
   1440x900 59.9
   1280x960 60.0
   1366x768 60.0*
   1360x768 60.0
   1280x800 59.9
   1280x768 60.0
   1280x720 60.0
   1024x768 60.0
   1024x576 60.0
   800x600 60.3
   848x480 60.0
   640x480 60.0
   720x400 70.1
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)

The problem seems that under Raring and Saucy the displays do not report back all their modes.