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Thread: [SOLVED] black screen after boot

  1. #1
    Join Date
    Oct 2005
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    68
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    Ubuntu 10.10 Maverick Meerkat

    [SOLVED] black screen after boot

    I'm trying to help a friend with her computer. She's got both, Vista and OpenSuse 10.2, installed on a Vaio VGN-N21Z notebook.
    Until yesterday Suse worked without any problems. But then all of a sudden, when she booted, the screen went black and seemed to be reset several times (looks similar to what happens when you've messed up your xorg.conf) just a second or so after the login screen showed up.
    I've tried to at least save her data with a live CD, but i've got similar problems (black screen/screen lockup right after getting to the GUI) with the Live Versions of Ubuntu 8.04, Kubuntu 8.04, OpenSuse 10.3.
    This made me think that the problem doesn't seem to distribution dependent...
    The only liveCD that worked was Suse 9.1, but that couldn't detect the hard-drive.

    I've read in another thread that somebody had similar issues that were caused by bad RAM. So I've run memtest, but it has finished without any errors..

    I've finally managed to get her data with a reiserfs-driver in vista (which works flawlessly), but I am not sure whether I should try to reinstall Linux (some distribution) or if this is a hardware issue and reinstalling wouldn't make sense... Any suggestions?

  2. #2
    Join Date
    Sep 2006
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    Alexandria
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    Ubuntu 9.10 Karmic Koala

    Re: black screen after boot

    Try to boot from ubuntu live CD and see how it works with you. play with it , connect to the net and use as may programs as you can . if it is ok then it is not a hardware issue.
    Linux user #434738 - Ubuntu user #9391
    Be happy .....think of others and thank GOD.

    Kindly mark your thread [SOLVED] if it is done.

  3. #3
    Join Date
    Oct 2005
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    Ubuntu 10.10 Maverick Meerkat

    Re: black screen after boot

    Well, I already tried to. The Ubuntu liveCD locked up, just when i got to the graphical interface - as did the LiveCDs of OpenSuse, and Kubuntu...

    Since I had no other idea I've just installed ubuntu via text mode. Now I can log in, but after that I can't interact with anything on the desktop. The only thing that works is moving the mouse pointer.
    (even Ctrl+Alt+Backspace and Ctrl+Alt+Del won't work)

  4. #4
    Join Date
    Oct 2005
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    68
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    Ubuntu 10.10 Maverick Meerkat

    Re: black screen after boot

    Figured out that the problem is caused by the graphic card (either the driver or the hardware). I managed to make ubuntu work (install via text-mode; substituting the xorg.conf and updating the system in recovery mode). The only remaining problem is that the resolution is just 800x600. I've tried many drivers, but every setting with more than 800x600 made the system crash...

    EDIT: I have marked the thread as solved, since I gave the laptop back to my friend about 2h ago, so she can work with it. However, if you have a suggestion how to get a better resolution, I'd appreciate your input!
    Last edited by ichigo; June 1st, 2008 at 10:19 PM.

  5. #5
    Join Date
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    Location
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    Ubuntu 9.10 Karmic Koala

    Re: [SOLVED] black screen after boot

    try this :
    System > Preferences > Screen Resolution
    If you didn't find your settings , try the following :

    Code:
    sudo nano /etc/usplash.conf
    you will got something like that


    # Usplash configuration file
    # These parameters will only apply after running update-initramfs.

    add the required resolution


    # Usplash configuration file
    # These parameters will only apply after running update-initramfs.

    xres=1280
    yres=800

    set x & y as you want then reboot and type :


    Code:
    sudo dpkg-reconfigure usplash
    then check for the new settings -- System > Preferences > Screen Resolution and select the new one.
    __________________
    Linux user #434738 - Ubuntu user #9391
    Be happy .....think of others and thank GOD.

    Kindly mark your thread [SOLVED] if it is done.

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