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Thread: Displays switched

  1. #1
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    Displays switched

    Hi,
    After updating my 12.04 x64 installation, my display monitors switched around.
    That is to say, I have two display monitors one is a 19 inch run off of an onboard GPU and the other is a 21 inch run off a PCI-X card. Both GPU's are AMD/ATI
    Previously I had the 21 inch monitor as the main monitor and the 19 inch monitor as the secondary display, but after updating Ubuntu today the main monitor failed to work in anything other than safe graphics mode. So I reinstalled the ATI proprietary drivers by removing the old ones first then installing the latest 12.4 drivers. (There are 12.6 drivers available but these are beta).
    So basically how do I change my 21 inch monitor back to being the main/default display?
    Thanks

  2. #2
    dino99's Avatar
    dino99 is offline Ubuntu addict and loving it
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    Re: Displays switched

    i'm not used with catalyst, but you might have such settings into it i suppose. If you have an xorg.conf, delete it first.

  3. #3
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    Re: Displays switched

    What are the model numbers of each of the GPUs?
    The Left Coast Geek * The Community ATI Driver Wiki * Find what you need in the Ubuntu Community wikis

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  4. #4
    Join Date
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    Re: Displays switched

    Hi dino99
    unfortunately no settings in catalyst to change the order of which display is primary, but lots of other useful settings
    Hi QIII,
    the onboard GPU is a HD4800 series and the PCIe is a HD6800 series

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