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Old 08-21-2006, 09:47 PM   #1
tangentcausality
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Registered: Aug 2006
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X Windows problem


I've been using Ubuntu for a little while, and it worked just fine, but the last X windows update issued messed up the settings in some way, because it now it can't detect the screen. Kind of an issue with a distro that is completely reliant on the X enviornment :/. Any help would be appreciated.
I use a Radeon 9250 AGP video card with a generic LCD monitor.
 
Old 08-21-2006, 10:05 PM   #2
theeil
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We can't really help you much without some specific information such as the following:
- old and new Xorg versions
- video driver version
- the output of cat /var/log/Xorg.0.log | grep '(EE)'
- the relevant sections of you /etc/X11/xorg.conf file

I hope someone can help you.
 
Old 08-21-2006, 11:08 PM   #3
tangentcausality
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Thanks for replying.
The error given was just "No devices detected", and the versions (in chronological order) were: 1:1.0.2-0ubuntu10 and 1:1.0.2-0ubuntu10.3.
I'm also not sure of the of what the relevant sections of the configuration file are exactly, but I can tell you that it is using the appropriate drivers for the device, I'm don't know the version of them (sorry, I know I am the king of the noobs).
Other people have also been having the same problem on the Ubuntu forum, and the full log has been posted there, so instead of unnecessarily posting it here and making a hell of a long post, you can just go look at it there ubuntuforums.org/showthread.php?t=240957
Sorry that I couldn't be more helpful, I know how hard it is to fix problems with incomplete information.

Last edited by tangentcausality; 08-21-2006 at 11:10 PM.
 
Old 08-22-2006, 05:30 AM   #4
serafean
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Well, I had the same problem, and used the solution proposed at the ubuntu forum, and it worked. Give it a shot...

Quote:
Solution:
When your Xserver crash and you are at text console type this:
sudo apt-get install xserver-xorg-core=1:1.0.2-0ubuntu10
good luck
 
Old 08-22-2006, 01:57 PM   #5
veridical
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Registered: Aug 2006
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My Solution

I had a similar problem as you. I had installed Debian unstable which uses the xorg X Server, but whenever gdm would try to start the X Server on bootup, I would get the "no screens found"/"no devices detected" error. I use a Radeon x850 XT graphics card, and xorg did a great job of recognizing it. It even set it up to automatically use the "ati" driver for that device. However, there is apparently something wrong with the ati driver, but I'm a bit of a n00b so I don't really know. Using the "vesa" driver worked, but it was unaccelerated, and I could not use a widescreen resolution for my widescreen monitor. After using the vesa driver for a while, I decided to try putting in "radeon" for the driver name. Everything works perfectly now. I hope the solution works for you.
 
Old 08-24-2006, 05:14 PM   #6
tangentcausality
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Quote:
Originally Posted by veridical
I had a similar problem as you. I had installed Debian unstable which uses the xorg X Server, but whenever gdm would try to start the X Server on bootup, I would get the "no screens found"/"no devices detected" error. I use a Radeon x850 XT graphics card, and xorg did a great job of recognizing it. It even set it up to automatically use the "ati" driver for that device. However, there is apparently something wrong with the ati driver, but I'm a bit of a n00b so I don't really know. Using the "vesa" driver worked, but it was unaccelerated, and I could not use a widescreen resolution for my widescreen monitor. After using the vesa driver for a while, I decided to try putting in "radeon" for the driver name. Everything works perfectly now. I hope the solution works for you.
Didn't work for me, but I just rolled back the Xorg version, so it's okay now anyway. Thanks for the advice though.
 
Old 08-25-2006, 07:25 AM   #7
Tailer
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I had just this problem!
You can edit the xorg.conf in /etc and manually write your Monitor's name.
P.S - ATI graphical cards aren't easy to configure on linux. I had problems with my Radeon 9600 pro, so I switched it to GeForce4.
 
  


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