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Dual monitor function fail after Cedarview driver installed

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hsiung's picture

Aug 07, 2013 - 11:50pm

  •  Hi all, 

    Currently i am using the mainboard with NM10 chipset and D2550 CPU. WIth Ubuntu 12.04 LTS kerneral version , the dual view function works well on d-sub & DVI monitors. However, after update the driver by sudo apt-get install cedarview-graphics-drivers  , or follow the steps at

    One of the D-sub monitor lost signal. I tried to use  xrandr --output HDMI1 --primary  or the Display setting in system are failed. Any idea if the driver locked multidisplay or just need to do more setting ?

    Sry i am new in ubuntu.

    Aug 07, 2013 - 11:50pm