Question Black screen flickering and connect/disconnect sound when TV connected to PC via HDMI

c1bas3k

Honorable
Jan 22, 2014
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10,530
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Hi there, so I moved to a new appartment and bought a new TV. I connected it to my PC which had no issues before and then suddenly something weird started happening... I have 2 monitors connected to my PC which were working flawlessly. One is a 1440p 144Hz Dell and the other one is 1080p 60Hz BenQ.

Now the issue... I connected my Samsung TV to my PC via HDMI 2.1 cable to support 4K and HDR. It is working great, I can watch movies there, play games etc... But with the HDMI cable connected my 2 monitor screens sometimes go to black screen and back and I hear the USB connect/disconnect sound (which I believe is used for all devices not just USB)... Now in the Device Manager I dont actually see anything being connected or disconnected and the HDMI cable is working perfectly otherwise...

I have a GTX 1080 GPU if that is important. Tried installing new drivers and clean installation as well.

So... Does anyone have an idea what is causing this?
 

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