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Thread: 12.04 only boots to command prompt

  1. #1
    Join Date
    Oct 2012
    Beans
    2

    12.04 only boots to command prompt

    Hi all,

    I recently installed a 12.04 from an existing installation using the command 'dd'. The first time I booted it, I did see the desktop environment. However, consequently I've only been able to boot to command line.

    I ran the boot-repair utility from a live USB and here is the output: http://paste.ubuntu.com/1274785/

    Typing X gives me a black screen. Typing startx gives me the Ubuntu desktop background image and a mouse pointer, but nothing else.

    Any idea on what is going on? Appreciate any suggestions.

    Cheers
    Shanker

  2. #2
    Join Date
    Jan 2008
    Location
    France
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: 12.04 only boots to command prompt

    Hi Shanker,

    Can you see the GRUB menu? if yes, this looks like an internal problem (have you installed a non-free graphic driver?), not a bootloader issue, so Boot-Repair won't help.

    Maybe you can try a standard install instead of dd...

  3. #3
    Join Date
    Oct 2012
    Beans
    2

    Re: 12.04 only boots to command prompt

    Hi,

    I did get the grub screen so as you say, it was not a boot problem. I figured out it must be a problem do to with lightdm. I figured this out because after installing gdm and then running the command

    Code:
    sudo dpkg-reconfigure lightdm
    and then choosing gdm, I do get the login screen.

    In addition, before the installation of gdm, when I ran the command dpkg-reconfigure, I did not get the graphic screen giving me the option of dms. Is this only because there was one dm installed? Or is it an indication of a deeper problem? At this time, /etc/X11/default-display-manager had '/usr/sbin/lightdm' in it, which seems ok.

    Although gdm is fine, I would still prefer to use lightdm. Could anyone suggest how I could fix that?

    Cheers
    Shanker

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