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I have a dual monitor on my fresh Ubuntu 11.10 install. The problem is that it works for a very short time, then the second monitor turns grey.

My videocard is a GeForce 210 1GB DDR3 and the nvidia-current drivers are activated.

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check under the icon of the gear, in the upper right corner, there is a shortcut for the display management, try to set your displays from there. –  Micro Dec 8 '11 at 19:46
    
@Micro when opening the Ubuntu displays manager then only one display is recognized. Though, in the Nividiap-setting i have two displays –  Roel Veldhuizen Dec 8 '11 at 22:11

2 Answers 2

up vote 3 down vote accepted
  1. Open the NVIDIA X Server Settings application. This was installed with your NVidia proprietary drivers.
  2. Navigate to the "X Server Display Configuration" screen.
  3. In the "Display" tab, select the greyed-out monitor with the "Model" selector.
  4. Set the "Configuration" option of that monitor to "TwinView" mode.
  5. Restart your computer.
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After such a struggle with settings here and settings this I clicked on dash, typed in driver selected additional driver. Here you should see that you 2 options after clicking on it.

  1. NVIDIA accelerated graphics dirver (version current)[Recommended]
  2. NVIDIA accelerated graphics dirver (post-release updates)(version current-updates)

I had 1 selected as this is how I installed my driver initially. This then broke and after a struggle as mentioned above I selected 2 and clicked on activate, restarted my machine and boom. Up and working np. Here is my xorg.conf file paste bin entry

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