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I have nvidia drivers and dual monitors.

nvidia drivers It worked fine in 11.10 but since todays updates, my unity "launcher" is only on right monitor.

launcher on the middle

On vanila ubuntu display settings it recognizes only one monitor. And it looks like this: ubuntu configuration

So, the questions might be:

  1. Why Ubuntu's "Displays" shows only one monitor where nvidia drivers shows two? I assume nvidia overwrites?
  2. After Lot of playing between these two settings, I can't manage to move menu launcher to left screen. Any suggestions?
Jorge Castro
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confiq
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6 Answers6

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Maybe it's a bug. Have you tried the Ubuntu2d setting on the Ubuntu button at login?

Shannon_VanWagner
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As a workaround, you could try physically plugging the monitors into the opposite ports on your video card.

cdaddr
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I had the same issue and what solved it for me was first selecting the left screen in the 'X Server Display Configuration' and setting the position to 'Right of'.

This resulted in the launcher at the correct position on the virtual desktop but with my displays physically swapped, so I simply physically plugged the monitors in the opposite ports of my video card.

I guess the bug is that the launcher is always displayed on the monitor that is physically plugged in in the first port of the video card, ignoring the position you configured in the Nvidia tool.

I hope this works for you.

Jeroen
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I'm facing the same bug (I think it is).

OS: Ubuntu 12.04 Graphic Card: GeForce 310M

On dual monitor configuration the unity launcher is on right (wrong) screen.

I tentatively solve this by setting the primary monitor's position to Right of and then setting it back to Absolute. I do this on every reboot (!).

Furthermore I set this via gconf-editor:

/apps/compiz-1/plugins/unityshell/screen0/options/num_launchers=1

This forces the launcher to appear in only one monitor (otherwise for me it appears on both)

Naver had problems with Ubuntu 11.04

Hope this helps.

Edit: Actually I use to set both monitor to Absolute with the right one positioned from the pixel width of the left one.

So, in my case:

1366x768  Absolute +0+0 Primary
1280x1024 Absolute +1366+0
Community
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Dexter
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I think it's because of your configuration. If you select "twinView" in nvidia-settings, for gnome displays tool it's like there's just one gigantic display. Try the "separate x screens" option in nvidia-settings.

cortex
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It appears this was a bug in Unity. I've update last week and tried again, problem is fixed.

Thanks for all answers!

Edit: After reading few comments, It seems I just got lucky, people still have same problem that I had. Interesting thing is that I've changed computer and graphic card since I asked the question and it's still fixed for me :(

confiq
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