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Thread: Checking Burned ISO Disk

  1. #1
    Join Date
    Oct 2007
    Beans
    48

    Question Checking Burned ISO Disk

    I have downloaded Hardy Heron and burned it to a disk, but when I put the disk in and start the computer, I do not get the option to check the disk for errors. I can see the option, but the screen immediately goes to the language selection screen. Further, I can not use my mouse to move through the language screen. Fortunately, it selects English, but I would not be able to make any other selection if I wanted. Is there another way to check the disk for errors. I am not terribly familiar with the terminal, but if the command is not too convoluted, I think I could manage.
    TX
    CB
    "The more I know, the less I understand"

  2. #2
    Join Date
    May 2007
    Location
    United Kingdom
    Beans
    2,803
    Distro
    Ubuntu Development Release

    Re: Checking Burned ISO Disk

    You can run an MD5 checksum from within windows.
    The MD5 should be provided somewhere on the Ubuntu website.

  3. #3
    Join Date
    Oct 2007
    Beans
    48

    Cool Re: Checking Burned ISO Disk

    I remain uncertain how to check the disk. I want to try and do this through Ubuntu. I typed "md5 checksum" in the terminal window and it mentioned sleuthkit which I installed via synaptic, but have no idea how to access sleuthkit or how to ultimately check the copied disk for errors. Sorry for being so dense.
    CB
    "The more I know, the less I understand"

  4. #4
    Join Date
    Nov 2006
    Location
    Ottawa, Ontario, Canada
    Beans
    387
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Checking Burned ISO Disk

    You can navigate the languages with the arrow keys, and select your language with "Enter". You can then navigate the menu the same way and select the "Check CD for errors" option that way.
    My baby - Q6600 2.4GHz; 3GB; 500GB; ATI HD2600 XT

  5. #5
    Join Date
    Jan 2007
    Location
    CA
    Beans
    846
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Checking Burned ISO Disk

    you would use
    Code:
    md5sum -c <filename>
    to get the checksum off the .iso file that you downloaded and then compare it to the known good value off the download page.
    (I know-doesn't check the disc, but you should be able to check that on boot).

    I'm confused; Yes, the disc pops up with the language selection first, but what happens when you press 'Enter'?
    Does it not give you access to the typical LiveCD boot menu? (the one you mention that you can see, but can't access)

  6. #6
    Join Date
    Oct 2007
    Beans
    48

    Cool Re: Checking Burned ISO Disk

    OffAxis:

    When the computer starts with the CD in the drive, I very quickly see a screen with several options, MD5 checksum being one, but it then goes to the language screen and gives me a number of seconds before the selection is loaded. Hitting enter does nothing and I can not select any other language other than the one selected (English). After the time runs out, the disk loads to the liveCD program which then give me a chance to explore Ubuntu or install. However, my fear is that the disk has some damage and will not install as needed. For what it is worth, I plan to do a clean install rather than update from Gutsy. I also plan on a dual boot system with a clean Windows SP install first then Hardy Heron.

    What file name do I use in the terminal? I know, dense.

    Thanks for your assistance.
    CB
    "The more I know, the less I understand"

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