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Thread: Force video frequency to 50Hz-> 11 sp2

  1. #1

    Force video frequency to 50Hz-> 11 sp2

    Dear all,
    I am trying to drive my 2 monitors in extended desktop with the resolution of 1920x1200 [60Hz]-each-
    OS is SLED 11 SP2, kernel 3.0.13-0.27
    I am getting some synchronization problem (the monitor are flickering), and I would like to decrease the refresh frequency to 50Hz to check how it is working.
    I tried to modify xorg.conf but I am not able to get any result (the refresh frequency is always 60Hz).
    I tried to work with sax2 but the frequency cannot be lowered below 60Hz.

    Can you please help me?

    Thanks in advance

    PS: as you can see I am not a master of Linux :-(

  2. Re: Force video frequency to 50Hz-> 11 sp2

    What graphics card are you running? Also can you post the output from the xrandr command;
    /usr/sbin/hwinfo --gfxcard
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
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