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Thread: Black screen after screen saver

  1. #1
    Join Date
    Oct 2009
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    Belgrade, RS
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    Ubuntu 12.04 Precise Pangolin

    Black screen after screen saver

    If screensaver is started on my computer, I can't get the display back again. No matter what I try, the screen remains black. All I can is hard restart computer to get it back to run. what can be the cause?
    Томица / Tomica ['tomitsa]

  2. #2
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    Re: Black screen after screen saver

    If you have the issue, check the following things:

    output of the 'dmesg' command
    content of /var/log/Xorg.0.log

    Could be that the screensaver is making X / kernel unhappy?

  3. #3
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    Ubuntu 12.04 Precise Pangolin

    Re: Black screen after screen saver

    Rexilion thanks for the reply. I'm afraid this didn't tell me much. I'm still not able to fix my issue.
    Томица / Tomica ['tomitsa]

  4. #4
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    Re: Black screen after screen saver

    No problem, I'll try to be more specific.

    Please open a terminal and copy paste the following commands:

    Code:
    sudo dmesg
    cat /var/log/Xorg.0.log
    Copy the output of the above commands, paste them at www.pastebin.com and place the returned link here. So we can inspect your system logs and see if you have issue's with the drivers.
    linux-git/fs/super.c: "Self-destruct in 5 seconds. Have a nice day...\n",

  5. #5
    Join Date
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Black screen after screen saver

    Rexilion you're a star.

    Here's the output of sudo dmesg, and here's the output of cat /var/log/Xorg.0.log.

    I hope I didn't make any mistakes.
    Томица / Tomica ['tomitsa]

  6. #6
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    Re: Black screen after screen saver

    Do you know which screensaver you use?

    The following command will confirm that (no sudo needed):

    Code:
    dpkg --get-selections | grep -i screen
    linux-git/fs/super.c: "Self-destruct in 5 seconds. Have a nice day...\n",

  7. #7
    Join Date
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    Location
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Black screen after screen saver

    Here's the output:
    Code:
    $ dpkg --get-selections | grep -i screen
    gnome-screensaver				install
    gnome-screenshot				install
    Томица / Tomica ['tomitsa]

  8. #8
    Join Date
    Nov 2009
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    Re: Black screen after screen saver

    Ok try this:

    - Lock screen
    - Press: Ctrl+Alt+F1
    - Login as your normal user
    -
    Code:
    killall gnome-screensaver
    - Press: Ctrl+Alt+F7

    If I'm correct, then after locking and doing the above. Your desktop should be visible again. That means we have narrowed it down to the screensaver.
    linux-git/fs/super.c: "Self-destruct in 5 seconds. Have a nice day...\n",

  9. #9
    Join Date
    Oct 2009
    Location
    Belgrade, RS
    Beans
    180
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Black screen after screen saver

    Rexilion it seems to be fixed by some update. I think it's back to normal... Weird But thank you so much for your time and good will. Much appreciated!
    Томица / Tomica ['tomitsa]

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