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Thread: Upgrade problem.

  1. #1
    Join Date
    Jun 2005
    Location
    Amboy, WA USA
    Beans
    72
    Distro
    Ubuntu

    Upgrade problem.

    If I'm in the wrong forum, I apologize.

    I keep getting a red triangle in the upper right hand corner of the screen.
    Clicking on it says there is an upgrade problem.
    Clicking on 'Check for updates' gives the following error.

    W:Failed to fetch cdrom://Ubuntu 12.04.1 LTS _Precise Pangolin_ - Release i386 (20120817.3)/dists/precise/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
    , W:Failed to fetch cdrom://Ubuntu 12.04.1 LTS _Precise Pangolin_ - Release i386 (20120817.3)/dists/precise/restricted/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
    , E:Some index files failed to download. They have been ignored, or old ones used instead.

    How do I solve this?
    TIA

    dlw

  2. #2
    Join Date
    Sep 2007
    Location
    England / U.S.
    Beans
    277
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Upgrade problem.

    Unless you specifically want to use the installation DVD for something, remove it from the list of software sources.

    You can do this directly from the Software Sources app or find it under "Edit" in Software Manager.
    Last edited by Mr_JMM; November 16th, 2012 at 05:09 PM.
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  3. #3
    Join Date
    Feb 2012
    Location
    el_GR
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: Upgrade problem.

    Hi ,

    please follow the instructions to resolve your problem.

    Open a terminal (CTRL+ALT+T keys combo) and write
    Code:
    gksudo gedit /etc/apt/sources.list
    At the opened window , search and find any line (search in the begin of the file , I think they are the first 3 lines) begins with this
    Code:
    deb cdrom:[Ubuntu 12.04.1 LTS _Precise Pangolin_
    and make them like this
    Code:
    # deb cdrom:[Ubuntu 12.04.1 LTS _Precise Pangolin_
    add this symbol at the begin of each line #

    save the file and run in terminal
    Code:
    sudo apt-get update
    sudo apt-get dist-upgrade
    Thanks
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  4. #4
    Join Date
    Jun 2005
    Location
    Amboy, WA USA
    Beans
    72
    Distro
    Ubuntu

    Re: Upgrade problem.

    Thank you.
    The red triangle is gone.
    I'm not sure what that means, but, it's gone.

    Thanks again,
    dlw

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