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10.4 in Lucid - Screen Flicker

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  • 10.4 in Lucid - Screen Flicker

    Ive always used the proprietary driver in Ubuntu.
    with the Catalyst 9.xx Drivers i had to run:
    sudo aticonfig --set-pcs-str="DDX,EnableRandr12,FALSE" in a terminal to stop the flicker.
    With the 10.xx Drivers though this has no effect.
    Anyone any ideas how I can stop this annoying flicker?

    ps. Using the HD2400 Driver on a 1680x1050 monitor

  • #2
    I would try the other connector. I had flickering only on one of em.

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    • #3
      Kano...
      Thanx for your reply.
      What do you mean the other connector?
      Were and how?

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      • #4
        On your gfx card of course!

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        • #5
          Sorry i`m a bit green and never messed with the inside of my compt.
          Are you saying there are 2 connectors on my graphics card and to swap the connections over?

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          • #6
            Ive just checked and as far as i can see there is only one connector on my Gfx card. Could you be more specific as to what i do.
            Bear in mind though that i`m a bit of a technophobe!!

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            • #7
              Then take a picture. Also from the connectors of your monitor.

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              • #8
                There is 2 connectors for my monitor and at the back of the comp. But the plug configuration is different, so I don`t have the right lead.
                Is that what you mean?
                Would it be worth investing in a new lead?

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                • #9
                  Most likely you need to use a dvi cable. Usally the connector is white and has more pins than the vga one.

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                  • #10
                    Kano.. your a star.
                    Just gone out and bought a DVI cable and problem solved.
                    Ive had this problem since I bought this system from Dell 2 years ago.
                    Should have come to this forum sooner.
                    Thanks again.

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                    • #11
                      actually this is a pretty common problem with those analogue signals:

                      afaik I never could get a decent picture without screen flickering on TFT / flat screens - so using DVI or whatever else digital connection is highly recommended

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                      • #12
                        That specific problem is not depending on analog/digital. A dvi->vga adapter would have solved it too. Of course when you have the choice i would prefer always digital.

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