![]() ![]() Turn off your television or connected device. Dust trapped inside the ports also causes a loose connection. Often we turn these devices off when not in use, but this doesn’t mean they’re completely shut down. The reason I didn’t just switch over to DVI-D after I discovered this issue was mainly because of my desire to find out what went wrong. Clean the connection ports and cable connectors thoroughly. This is what drove me to initially use DisplayPort. I have a personal dislike of DVI cables and the way you have to screw them in. I wanted to make full use of the 144Hz functionality on the monitors, and to do so I would have to use either DisplayPort or DVI-D. On the left monitor I could see “DisplayPort- No Signal”, and on the right was my usual desktop. I made sure all the cables were tight, unplugged them and replugged them- sure enough I even turned it off and on again- but to no avail. They plug directly into an Nvidia GTX 1080. My PC set-up consists of two 144Hz monitors connected via DisplayPort cables. Unplug the HDMI cable from your box and plug it back in securely. A bit of background - why use DisplayPort anyway? It was fine the day before, and it hadn’t been touched that day, so what gives? Let me back up a little… (unless you’re too eager and just want to see the solution). I recently faced a hardware issue on my PC at home whereby one of my two monitors seemed to suddenly no longer connect when I booted. Try Win key + P to call up the additional monitor settings in Windows 10. DisplayPort no signal: The question “ have you tried turning it off and on again?” gets joked about a lot in computing when someone has a problem, it’s well known that a quick reboot often works a treat.
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