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Thread: Video card or software problem?

  1. #1
    Join Date
    Nov 2005
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    Chicago
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    Ubuntu 7.10 Gutsy Gibbon

    Video card or software problem?

    I'm not sure if I have a hardware problem with my NVIDA video card or if its a software-related issue.

    I boot my Ubuntu, I see the graphical motherboard display, and then I see all the plain text just fine. When it tries to go into graphical mode, and would normally show me the Ubuntu login screen, the image just goes black. Everything is still running fine, my monitor shows it still has a signal, it's just a black screen.

    Someone told me it was probably my video card and I should reseat it, which I just did.

    I have all my latest updates, I know nvidia doesn't always play nice with Ubuntu, but this just all of a sudden happened to me today with Ubuntu 13.04

    Any suggestions would be much appreciated!!

    Thanks
    Markus

  2. #2
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    Ubuntu 12.04 Precise Pangolin

    Re: Video card or software problem?

    Probably driver issues.
    Seeing as your seeing something on the screen when you turn the computer on, right?

    What driver are you using, the out of the box nouveau driver or the additional driver nvidia?
    If nvidia, which version, or which version ubuntu do you have installed?

    You can also try adding nomodeset to the grub, if you can load grub(press the shift key right after the startup screen(BIOS) disapears)
    In grub press E key and then add nomdeset at the end of the line quiet splash.
    then exit on see if it loads.

    But it's probably more important to know what graphics card, version of Ubuntu and what drivers you have.

    Edit: nevermind the Ubuntu version, I somehow missed 13.04.
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  3. #3
    Join Date
    Nov 2005
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    Ubuntu 7.10 Gutsy Gibbon

    Re: Video card or software problem?

    Thanks. I tried nomodeset but that did not help.

    I'm pretty sure I am using the restricted nvidia driver in 13.04 but not sure how to find out what version it is using terminal.

    Card is NVIDIA GF 104 [GeForce GTX460]
    Last edited by markus79; September 8th, 2013 at 08:41 PM.

  4. #4
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    Re: Video card or software problem?

    open a terminal, and do

    lsmod | grep nvidia
    If that responds, you are using the proprietary nvidia drivers.

  5. #5
    Join Date
    Sep 2013
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    Re: Video card or software problem?

    Also, you need to see which driver version you are using, if you do have it. search in your programs for :

    nvidia-settings

    if you open that (if its even there), then it will tell you the driver version. Older drivers dont work with the 3.8 kernel and the X version that Raring uses. You may have to install the Nvidia drivers by hand from the a terminal.

    If you do, download the nvidia driver. THen:

    Make a copy of these notes, as you will not be able to see them while installing.

    press:
    ctrl+alt+F2
    log in with your username and password at the terminal

    navigate to your download folder (or wherever you donwloaded it)

    eg:

    cd ~/Downloads
    then

    chmod +x NVIDIA-nameofdriver

    sudo service lightdm stop

    sudo ./NVIDIA-nameofdriver
    follow all install instructions

    reboot when its done.

  6. #6
    Join Date
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    Re: Video card or software problem?

    Thanks, Yep "nvidia 11313877"

  7. #7
    Join Date
    Nov 2005
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    Ubuntu 7.10 Gutsy Gibbon

    Re: Video card or software problem?

    And yes, I do get a display when it powers on, I get the bios startup graphic and then the text as it boots, but when it would go to a graphical-mode (when i should get login screen) it goes black -- then when I press the power button to power it down, I get the text again as it shuts down.
    Last edited by markus79; September 8th, 2013 at 09:06 PM.

  8. #8
    Join Date
    Sep 2013
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    Re: Video card or software problem?

    ok, so when you get it booted up and its running, and the screen is blank, press:

    ctrl+alt+F2
    Does it take you to a terminal and ask for a username?

  9. #9
    Join Date
    Sep 2013
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    Re: Video card or software problem?

    If it was the video card, it wouldnt show anything at all. No buils screen, nothing. At least I have never seen one do that.

  10. #10
    Join Date
    Sep 2013
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    Re: Video card or software problem?

    If you can get to that, then log in with your username and password, then :

    Remove current xorg.conf,

    sudo rm /etc/X11/xorg.conf
    Then rebuild with:

    sudo nvidia-xconfig
    reboot, and see if that will let you in.

    Check your BIOS for any video card settings, too.

    You said it didt boot from the CD either? Thats odd. It should for sure, but it could still be a BIOS setting wrong or something like that. I dont know how a video card would display anything at all if it was bad.

    One more thing to look at: Is the backlight on your screen staying on? Or is the monitor getting NO signal at all, and no backlight? My last screen that burned out had a bad inverter, and it would show the bios screen, but as soon as it tried to get beyond GRUB, the screen would turn black, but if I held the screen to the light or a flashlight at just the right angle, I could see the ubuntu desktop, but there was no backlight. Just another thing to check.

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