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Graphics Cards

Journeyman III

RX570 Second monitor not recognized

Hello and thanks in advance for your help.  I recently completed my first build and it's 95% working. Screen 1 is a Samsung SyncMaster 205BW. Win 10 recognizes the SyncMaster by name. It's connected to the GPU via HDMI to a DVI converted to the DVI port on the monitor.  It works fine.

Screen 2 is a brand new, HP 12KD LED monitor. I connected it to the card via a DVI-D single link cable from the DVI port on the GPU to the DVI port on the monitor.  Nothing.  Screen isn't recognized, nothing. I know the cable works as it worked with my old PC to an older monitor. Interestingly, I tried the DVI cable from the DVI port to the Samsung working monitor and I also get nothing.  Suggestions? Could my GPU have a bad DVI port?


GPU is a PowerColor - Radeon RX 570 4 GB RED DRAGON Video Card

Motherboard is a ASRock B450 Pro4.

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