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Firstly, i've deleted /etc/X11/xorg.conf

And then tried below command to install mesa on Ubuntu 12.04.2.

sudo apt-get install libglapi-mesa && sudo apt-get install libosmesa6

After reboot computer, Ubuntu doesn't start up ! (stay on Black Screen)

What am i doing wrong And how fix it ?

Edit (More information) :

[Sorry my English is not fine]

I'm using scilab. When i do some operations like plot , Scilab was crashed. For solving this problem , i did all things in this link

According to following part of above link,

Likely, there is a workaround to tackle this issue. One solution is to use a software accelerated driver. To do it, in /etc/X11/xorg.conf, look for the Section called Device and change the option Driver to mesa.

I must edit /etc/X11/xorg.conf, But there is no xorg.conf in /etc/X11/ for me!

For this reason, through below command i've created xorg.conf : Ctrl+Alt+F1

sudo service lightdm stop
Xorg -configure

Allright, I've copied /home/xorg.conf to /etc/X11/.

Also, According to following section of above link :

Section "Device"
        Identifier      "Your Graphic card"
        Driver  "vesa"
[...]
EndSection

I must enter my graphic card model in "Your Graphic card" and also "vesa". I don't know what exactly vesa is ! I've google it and someone said in here for install vesa do below things and i did :

sudo apt-get install libglapi-mesa && sudo apt-get install libosmesa6

After all the steps above, i have restart computer and then Ubuntu doesn't start up and stay on Black Screen !

Through LiveDisk I've boot Ubuntu, I guessed maybe it's because of xorg.conf, I removed that as the default and reboot again, Ubuntu does't start up again !

Hamed Kamrava
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  • When you say you deleted /etc/X11/xorg.conf, you mean you manually removed that file? I'm not trying to be negative or anything, but why did you do that? Was there some manual that told you so? As far as I know, mesa is a graphics library, and shouldn't have anything to do with your x11 install? – Nanne May 24 '13 at 15:07
  • I'm newbie. Yes, I've manually removed that file. Look, It's complicated and long story why i manually removed that file. Look, my target was to update mesa and video card ! – Hamed Kamrava May 24 '13 at 15:16
  • Look, just add this kind of information to the question, it'll help clear up what you are planning to do, and why you did certain things. It's easier to answer if we have all the information. – Nanne May 24 '13 at 15:18
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    /etc/X11/xorg.conf isn't required anymore and can sometimes cause conflicting errors. It's common for instructions to tell you to delete it, specially when changing GL library versions. @Hamed what instructions where you following what kind of card was it? Did you look at http://askubuntu.com/questions/162075/my-computer-boots-to-a-black-screen-what-options-do-i-have-to-fix-it – coteyr May 24 '13 at 15:21
  • First post has been updated. – Hamed Kamrava May 25 '13 at 06:46

1 Answers1

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Something similar happened to me after I installed libgles1-mesa. It removed ubuntu-desktop, so I had to press Ctrl+Alt+F1 and reinstall it in tty1.

Installing libgles1-mesa messes up my system

user85921
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