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Thread: Blank Screen & Other Oddities

  1. #1
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    Red face Blank Screen & Other Oddities

    Hi Everyone!

    I'm pretty new at this (installed Ubuntu about 1 yr ago) so go easy on me :]

    I'm on my laptop, a Dell XPS M1505
    Here's some extra stats in case it helps:
    Intel Core 2 Duo 2.0Ghz
    4GB Ram
    32-bit OS
    Nvidia GeForce 8400m GS

    Got Windows 7 and Karmic Koala and upgraded to Grub 2 a while ago.

    Windows boots fine, but Karmic has different problems every time. Sometimes it will boot all the way to the login screen with the error: "error initiating conversation with authentication system - general failure"

    Other times it will boot to a blank/black screen after the cursor in the upper left hand side of screen blinks for a bit. And when I try another kernel, it leads to a flickering white screen with multicolored lines.

    Thanks in advance.

    edit: I can boot from the live cd and can get to the login screen but still get the message: "error intiating..."
    Last edited by lovetraxx; March 15th, 2010 at 12:59 AM. Reason: update

  2. #2
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    Re: Blank Screen & Other Oddities

    anyone?

  3. #3
    Join Date
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    Ubuntu 12.10 Quantal Quetzal

    Re: Blank Screen & Other Oddities

    Maybe your live cd is bad? I had a problem with 9.04 where I couldn't install it because it was corrupt. Maybe try re-installing the nividia drivers too

  4. #4
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    Ubuntu 10.04 Lucid Lynx

    Re: Blank Screen & Other Oddities

    Quote Originally Posted by matbence View Post
    I was (JUST SOLVED IT A MINUTE AGO!!!) having the same problem. I saw on another post elsewhere that the problem is due to trying to disable the keyring manager prompt. I'm a bit of a noob, but I really didn't want to have to reinstall ubuntu (I had spent ages getting it working perfectly for me).
    Reversing changes caused by trying to disable the keyring prompt restored the login. For reference trying to access the /etc/pam.d/gdm file from my windows partition using installable ext2 file system didn't work.
    I managed to delete the '@include common-pamkeyring' line through the terminal when booting from a live CD.
    Then because I am such a newbie to linux I uninstalled the libpam-gnome-keyring package using my synaptic package manager instead of using a terminal.

    Hope this helps you
    google ftw

  5. #5
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    Re: Blank Screen & Other Oddities

    Quote Originally Posted by Gionani7 View Post
    I got this ERROR shortly after trying to eliminate the need to enter my keyring for the network applet. This ("error initiating conversation with authentication system") at the login screen. I want to note some things.
    -Im running 64 bit 9.10 Ubuntu
    -I used (@include common-pamkeyring)
    -I disabled the autologin option prior to restarting my desktop
    -I could not log back in through graphical interface.
    So at this point what I did was this.
    Restart
    Held "Esc"
    Entered the root shell
    And entered this command: sudo nano /etc/pam.d/gdm

    I deleted the line(@include common-pamkeyring)

    Hit "F3" to save

    Hit "F2" to exit

    Ran command: sudo reboot

    Now I was able to login regularly through the graphical interface.

    HOPE THIS HELPS THOSE WHO FIND THEMSELVES AT THESE ODDS.

    My Question is, Is there any way I can stop having to enter my keyring without going through this again with 9.10 Ubuntu??? HELP PLZ
    So I tried this, but after I deleted the line, and then when I tried to save the file, it says "[Error Writing /etc/pam.d/gdm: Read-Only file system]"

    Hopefully I can fix this keyring problem because I need my Ubuntu back soon. Any help would be awesome. :]

  6. #6
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    Re: Blank Screen & Other Oddities

    still nothing. Anyone?

  7. #7
    anewguy is offline I Ubuntu, Therefore, I Am
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    Wink Re: Blank Screen & Other Oddities

    Quote Originally Posted by lovetraxx View Post
    still nothing. Anyone?
    Did you put the "sudo " in front of the edit command as mentioned? The root user owns this file and you can't write to it (hence the read-only file stuff) unless you are root or use "sudo " in front of the command to run it as root.

    Dave

  8. #8
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    Re: Blank Screen & Other Oddities

    Quote Originally Posted by anewguy View Post
    Did you put the "sudo " in front of the edit command as mentioned? The root user owns this file and you can't write to it (hence the read-only file stuff) unless you are root or use "sudo " in front of the command to run it as root.

    Dave
    Yup, I wrote it just as its written there.. I feel like I am missing something super easy.. hah

    I hit ESC, and wait for the little command line to pop up, and then type in the command just as its written :]

  9. #9
    anewguy is offline I Ubuntu, Therefore, I Am
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    Wink Re: Blank Screen & Other Oddities

    Do the ESC thing to get to a command (terminal) window, then do the following:

    cat /etc/pam.d/gdm <press enter>

    copy the output and post it back here.


    Dave

  10. #10
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    Re: Blank Screen & Other Oddities

    Quote Originally Posted by anewguy View Post
    Do the ESC thing to get to a command (terminal) window, then do the following:

    cat /etc/pam.d/gdm <press enter>

    copy the output and post it back here.


    Dave
    #%PAM-1.0
    auth requisite pam_nologin.so
    auth required pam_env.so readenv=1
    auth required pam_env.so readenv=1 envfile=/etc/default/locale
    @include common-auth
    auth optional pam_gnome_keyring.so
    @include common-account
    session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
    session required pam_limites.so
    @include common-session
    session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open
    session optional pam_gnome_keyring.so auto_start
    @include common-password
    @include common-pamkeyring




    man I had to type that verbatim, because I have no idea how to copy it. Good thing I can type quick.. whew!

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