GPU order

Discussion in 'Mac Pro' started by enny001, Apr 16, 2015.

  1. enny001 macrumors member

    Joined:
    Apr 30, 2013
    #1
    Hi guys i have radeon 5770 gtx 770 gtx 55ti in order going from the bottom up when i install 550ti i my screen are blank only think is power button on monitors they are flashing or dimming on and off and are yellow but monitors are connected to 5770 any ideas
     
  2. enny001 thread starter macrumors member

    Joined:
    Apr 30, 2013

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