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Thread: Ubuntu install showing strange colors all over display

  1. #1
    Join Date
    Sep 2013

    Ubuntu install showing strange colors all over display

    Hi all,

    I have a Revo and I'm trying to get Ubuntu on to it, but I'm failing.

    I've got it to now detect the USB CD/DVD drive and start the install, but after a few seconds of showing the lovely purple background the display just goes mental.

    What does mental mean, you may ask. Well, quite simply, I get all the colours of the rainbow (and probably more) flickering in horizontal lines all over the display. Thus mental is the only word I can think of that is sufficient to describe it.

    Can anyone suggest why this may be happening?

    Note: I should add that the CD in use has been tested and works on other PC's.

    Last edited by David_Gard; September 25th, 2013 at 11:44 AM.

  2. #2
    Join Date
    Jun 2009
    SW Forida
    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu install showing strange colors all over display

    did not know what a Revo was. Found it is Acer model.

    Is this a UEFI or BIOS based system?

    Either way often video issue, and nomodeset may get you into system.
    What video chip/card does it have.

    How to set NOMODESET and other kernel boot options in grub2 - both BIOS liveCD & grub first boot ( also UEFI with grub)
    For more info on UEFI boot install & repair - Regularly Updated :
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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