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Old 10-26-2009, 03:52 PM   #1
dks57
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Question Need Help getting my HDTV to work as a monitor in Ubuntu


I need to use my TV temporarily as my monitor. It has a VGA input. I have Ubuntu 9.04. Everything is fine until the Ubuntu loads, then the screen goes blank with a message appearing "Not Support" at the top of my screen. While booting and if I go into setup, the monitor works fine. It is only when Ubuntu gets to the login screen that it goes blank. Suggestions? The big problem is that I can not see anything once the operating system has loaded. After doing a little research, I need to set the VGA output to 1024 X 768@60Hz.

Thanks!

Last edited by dks57; 10-26-2009 at 04:03 PM.
 
Old 10-26-2009, 04:03 PM   #2
janhe
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It sounds like there is a problem with your X configuration.

I guess you should see things again when you hold Ctrl+Alt+F5 simultaniously.

Log in, and try running this command:
Code:
sudo dpkg-reconfigure xserver-xorg
disclaimer: I don't use ubuntu, I just googled this page: http://www.cyberciti.biz/faq/ubuntu-...m-xorg-server/
I have no idea if it will work
 
Old 10-27-2009, 10:15 AM   #3
dks57
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"Unknown Monitor" = giant text

I borrowed a monitor and used it temporarily so that I could install "frglrx" as the video driver. I was then able to get the HDTV to work somewhat. I can only set it at 800 x 600@60Hz. I do not seem to have the option to set it @ 1024 X 768@60Hz. The result is that I have giant windows that do not fit on the screen.
 
Old 10-27-2009, 03:49 PM   #4
janhe
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A hdtv usually comes up as a unknown monitor.
That is why ubuntu uses a "default" resolution of 800x600

On slackware, I can usually do something about it by editing the file /etc/X11/xorg.conf
Can you post the contents of that file?

Also, can you post the contents of /var/log/Xorg.0.log ?

(remember to put code tags around the contents when you post those files, use "Go Advanced" to post)
 
Old 10-27-2009, 07:31 PM   #5
dks57
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Thanks for the suggestions, I am now researching how to find that info. I am very new to linux and the tech talk is all gobbledy gook to me.
 
Old 10-27-2009, 10:09 PM   #6
dks57
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Here is my xorg.conf file, clearly a little sparse.


Section "Monitor"
Identifier "Configured Monitor"
EndSection

Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
DefaultDepth 24
EndSection

Section "Module"
Load "glx"
EndSection

Section "Device"
Identifier "Configured Video Device"
Driver "fglrx"
EndSection
 
Old 10-27-2009, 10:31 PM   #7
dks57
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Help, "sudo dpkg-reconfigure xserver-xorg" does not work well. I googled it and the examples screens do not match what I get. I only get the option to configure "framebuffer" and a keyboard. The "OK" button at the bottom just stops working and I can not continue past the keyboard text asking me to input "pc104" or "pc105."

I was hoping that this would actually let me configure the monitor.
 
Old 10-28-2009, 09:07 AM   #8
janhe
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IMHO, sparse == good (then I can keep an oversight)

try pasting these lines just under "DefaultDepth 24"
Code:
    Subsection "Display"
        Depth       24
        Modes "1024x768" "800x600" "640x480"
    EndSubsection
See if that works
 
  


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