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I am having some issues with my Dell T630 server with 288GB of RAM 16 core processor and 2 GB of Matrox G200 Graphics. Ubuntu just runs horribly.

Every window I open just lags while opening. I've already tried to to turn off window animation using Unity, but Unity doesn't seem to apply any changes that I make.

Ubuntu is practically unusable at this point. Can anyone help me with these issues?

Information about my graphics setup (inxi -G):

Card:           Matrox Systems G200eR2 
X.Org:          1.15.1 
drivers:        mga (unloaded: fbdev,vesa) 
Resolution:     1440x900@60.0hz 
GLX Renderer:   Gallium 0.4 on llvmpipe (LLVM 3.4, 256 bits) 
GLX Version:    2.1 Mesa 10.1.3
Byte Commander
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Manojkumar K
  • 71

1 Answers1

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Use the following command to fix this issue

  1. Switch to console mode (TTY1):

    Alt+Ctrl+F1

  2. Kill lightdm service:

    sudo service lightdm stop

  3. Generate new xorg.conf.new file in the current directory: 

    sudo X -configure

  4. Move and rename the file: 

    sudo mv xorg.conf.new /etc/X11/xorg.conf

  5. Open /etc/X11/xorg.conf, replace the graphic driver mga with vesa

  6. Return to GUI: 

    sudo start lightdm
Manojkumar K
  • 71