Yh it's only one monitor Acer G277HU that has the problem
I7 6700k
Coolermaster hyper TX3i
Windows 10
16gb 2666mhz ddr4
Gtx 1070 fe
2*12cm fans
650w corsair power supply
Dual band wireless adapter
240gb ssd
1tb hd
I bought a new acer g277hu monitor and it has these grey horizontal lines moving up and they never go away on my 2nd monitor the display is fine and I checked the cable I used dvi-d and display port neither fix the lines