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Thread: Live USB Doesn't works

  1. #1
    Join Date
    Aug 2012
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    10

    Live USB Doesn't works

    Hi guys! I'm having some troubles with a Live USB With Ubuntu 12.04. It works in all computers except the personal mine. It just doesn't start loading, and only shows that:

    My Specs are:
    i5 2400
    MOBO ASUS P8H67-M LE
    4 Gb RAM DDR3
    GTX550 Ti
    Nox 620W
    Grundig Vision 7 TV 22" FULL HD
    What can you tell me about this? Thx! It has UEFI and EFI, can that be the problem?

  2. #2
    Join Date
    Oct 2009
    Location
    Elgin, IL USA
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    3,039
    Distro
    Ubuntu 16.10 Yakkety Yak

    Re: Live USB Doesn't works

    For 12.04 live/install iso you have to use nomodeset boot parameter for nvidia. Hit any key when symbols appear at bottom of first screen, and after selecting your language use F6 and spacebar to X nomodeset.

    Once Ubuntu 12.04 is installed, you should not need that parameter.

    I don't have a PC with UEFI or EFI, so can't answer anything about that.
    i5 650 3.2 GHz, 8 GB, nvidia GTX 1060, 32" 1080p & assorted older computers

  3. #3
    Join Date
    Aug 2012
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    Re: Live USB Doesn't works

    Quote Originally Posted by efflandt View Post
    For 12.04 live/install iso you have to use nomodeset boot parameter for nvidia. Hit any key when symbols appear at bottom of first screen, and after selecting your language use F6 and spacebar to X nomodeset.

    Once Ubuntu 12.04 is installed, you should not need that parameter.

    I don't have a PC with UEFI or EFI, so can't answer anything about that.
    Thx, but I only use it as an external OS in a pen, I don't wont to install.

  4. #4
    Join Date
    Jun 2009
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    SW Forida
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    Ubuntu 16.04 Xenial Xerus

    Re: Live USB Doesn't works

    You still need the nomodeset for nVidia. But if using flash drive you can add it to the file on the flash drive like this that was for Intel:

    If booting from USB it just may be easier to edit syslinux with whatever boot parameters you need like this:
    Ubuntu 12.04 has been officially released and, with minor adjustments, the intel gma500 video card is working out of the box.
    http://blog.bodhizazen.net/linux/ubu...-boot-options/
    simply edit “syslinux.cfg”

    If you have UEFI and the 64bit version, you should have two options to boot. One is the old BIOS and the other the newer UEFI. If just booting it should not matter, but which every way you boot is the way it will install.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  5. #5
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    Aug 2012
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    Re: Live USB Doesn't works

    How can I exactly do this? I'm a C programer, but i always had windows and I only know the easy terminal comands (sudo, su, etc).

  6. #6
    Join Date
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    Hikkaduwa, Sri Lanka
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    Ubuntu 16.04 Xenial Xerus

    Re: Live USB Doesn't works

    Quote Originally Posted by sergi70 View Post
    How can I exactly do this? I'm a C programer, but i always had windows and I only know the easy terminal comands (sudo, su, etc).
    Plug the drive into a computer running linux, open isolinux folder, open txt.cfg with Text Editor and add " nomodeset" after the first "quiet splash --"

    Edit:
    Then save
    Last edited by C.S.Cameron; August 22nd, 2012 at 11:49 PM.

  7. #7
    Join Date
    Aug 2012
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    Re: Live USB Doesn't works

    Thx you so much, but I have a problem with the image. I don't have nvidia drivers installed so the max resolution i can use is 1024x768 and my TV uses native 1920x1080. So, should I install the drivers normaly, or I should do another thing?

  8. #8
    Join Date
    Jun 2009
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    SW Forida
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    Ubuntu 16.04 Xenial Xerus

    Re: Live USB Doesn't works

    You have to download the nVidia driver and restart without rebooting.

    to test, install Nvidia driver while in the liveCD environment. Do not restart entire system but gdm, lightdm, xdm, etc
    press ctrl+alt+f1.
    sudo start lightdm
    Ubuntu 11.10 and later uses lightdm in place of gdm in earlier versions. So the command would be 'sudo service lightdm restart'

    or: gdm, lightdm, xdm, etc

    But if just a liveCD you have to download every time and reinstall every time. I think with persistence you can save download, but still will have to reinstall every time you reboot.

    If a larger flash drive you can just do a full install of Ubuntu.
    Pros & cons of persistent install over direct install to flashdrives - C.S.Cameron
    http://ubuntuforums.org/showthread.php?t=1655412
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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