ASUS DUAL OC GTX 1070 no output through DP on two different test machines, but local retailer gets output on multiple rigs.

Encore_

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May 19, 2017
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I have a slight issue here, my ASUS DUAL OC GTX 1070 has been returned to me by my local supplier as working on their different test benches, getting outputs without any problems and running Heaven BM and 3DMark. They used multiple rigs to test it. (differnet MB's and PSU's), even when I returned it because I couldn't get any output through the /TWO/ DP outputs, on my ryzen 7 1700x gaming & workstation. (Supplied with 16GB of DDR4 and a 750W psu, and a GB A320-DS2) and an old i5 4670 gaming PC. - Currently using my old 960 in the Workstation and an even older 660ti on the gaming PC. How do I single out the fault if it's persistant over two different motherboards- Running different types of DDR memory, different CPU architectures, and different storage? This is really bugging me out.
 
Solution
If it works on their systems and not yours, i would narrow it down to more of a wrong input setting on your monitor or bad cables. Are you using any sort of adapter or just straight DP from computer to monitor?

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