← Back to team overview

ubuntu-x-swat team mailing list archive

[Bug 368915] [NEW] DVI resolution wrong, VGA is OK, using same monitor

 

You have been subscribed to a public bug:

Ubuntu 9.04 final running on a Dell E1705 laptop with Intel Mobil 945GM
(rev 3) video.

I have an external monitor which can accept either VGA or DVI.  The
monitor has the same resolution as my laptop, 1400X900.  If I use DVI
Ubuntu report the monitor as "unknown" and the highest resolution
available is 1360x768.  Rebooting under Windows XP I can use either the
VGA or DVI and Windows detects the resolutions correctly, so I know then
hardware capability is there.

Here is what xrandr reports using the VGA which is correct:

Screen 0: minimum 320 x 200, current 1440 x 900, maximum 1453 x 1800
VGA connected (normal left inverted right x axis y axis)
   1440x900       59.9 +   75.0     59.9  
   1280x1024      75.0     60.0  
   1152x864       75.0  
   1024x768       75.0     70.1     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     66.7     59.9  
   720x400        70.1  
LVDS connected 1440x900+0+0 (normal left inverted right x axis y axis) 370mm x 230mm
   1440x900       59.9*+   59.9  
   1360x768       59.8  
   1152x864      100.0     85.1     85.0     75.0     75.0     70.0     60.0  
   1024x768       85.0     75.0     70.1     60.0  
   832x624        74.6  
   800x600        85.1     72.2     75.0     60.3     56.2  
   640x480        85.0     72.8     75.0     59.9  
   720x400        85.0  
   640x400        85.1  
   640x350        85.1  
TMDS-1 disconnected (normal left inverted right x axis y axis)
TV disconnected (normal left inverted right x axis y axis)

Here is what xrandr report using DVI on the same monitor which is wrong:

Screen 0: minimum 320 x 200, current 1440 x 900, maximum 1453 x 1800
VGA disconnected (normal left inverted right x axis y axis)
LVDS connected 1440x900+0+0 (normal left inverted right x axis y axis) 370mm x 230mm
   1440x900       59.9*+   59.9  
   1360x768       59.8  
   1152x864      100.0     85.1     85.0     75.0     75.0     70.0     60.0  
   1024x768       85.0     75.0     70.1     60.0  
   832x624        74.6  
   800x600        85.1     72.2     75.0     60.3     56.2  
   640x480        85.0     72.8     75.0     59.9  
   720x400        85.0  
   640x400        85.1  
   640x350        85.1  
TMDS-1 connected (normal left inverted right x axis y axis)
   1360x768       59.8  
   1152x864       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
TV disconnected (normal left inverted right x axis y axis)

The monitor is a Dell SE198WFP 19-inch Widescreen.  The VGA looks pretty
good but I would prefer the DVI if I can get the resolution right.  I
have not edited my xorg.conf but I would be willing to if anyone has
ideas.

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New

-- 
DVI resolution wrong, VGA is OK, using same monitor
https://bugs.edge.launchpad.net/bugs/368915
You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in ubuntu.