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Thread: 2 ATI Radeons in Ubuntu 11.10 64-bit

  1. #1
    Join Date
    Feb 2012
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    2

    2 ATI Radeons in Ubuntu 11.10 64-bit

    Hello!

    I'm new to Ubuntu and am really excited by it so far. There has just been this one part thats causing me a great deal of frustration and that's my multi-display setup with two ATI Radeons. I have been trying to follow posts through google that are taking me to various solutions and using xinerama and editing my xorg.conf file. They all seem to have a lot of risky leg-work without a very clear promise that it is even the right solution, or that I have what is necessary already installed, so I am hoping to get some clarity.

    Here are the relevant bits from running "lspci":

    01:00.0 VGA compatible controller: ATI Technologies Inc Juniper [Radeon HD 5700 Series]

    05:00.0 VGA compatible controller: ATI Technologies Inc Redwood [Radeon HD 5670]


    I have 3 monitors, 2 23" LG IPS Monitors that run 1920x1080 and one 26" Samsung that runs 1920x1200.

    The 2 LG's are connected to my Radeon 5700 over DVI and the Samsung is connected to the Radeon 5670 over HDMI.

    I have managed to get the 2 LG monitors to extend, they appear in System Settings->Displays as a blue and a green ' Goldstar Company Ltd 23" '

    At this point I have done the following:
    1. installed ubuntu from inside windows (Wubi)
    2. booted into ubuntu and installed the 300+ updates
    3. tried fixing my problem by installing the proprietary ATI drivers (one of which would not install)
    4. began reading posts describing those drivers as problematic
    5. followed a wiki on "RadeonDrivers" to remove "fglrx"


    I have not installed any other drivers for anything.

    I have been looking at this wiki: https://help.ubuntu.com/community/XineramaHowTo
    in conjunction with this post:
    http://web.archive.org/web/200902282...ama-in-ubuntu/

    both seem a little hard to trust, as far as being the right solution and whether or not they are up to date.

    I am a developer, but not so much c/c++ and I am brand new to linux, I'm comfortable with command-line but not to the extent that the average person in this forum probably is.

    I would love to get a clear explanation as to what I need to do and have some confidence that it is the right process. Still holding on to a hope that maybe there is just an installer I can double-click

    thanks!

  2. #2
    Join Date
    Feb 2012
    Beans
    2

    Re: 2 ATI Radeons in Ubuntu 11.10 64-bit

    Can someone please point me in the right direction here?

    Is this what I should follow? http://web.archive.org/web/200902282...ama-in-ubuntu/

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