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Roku TV won't recognize PC

AlexFunk
By AlexFunk
in Displays
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I used a long (50 foot) hdmi cable to connect my desktop PC (GTX 970, Ryzen 7 1700) to my 55 inch TCL Roku TV. However, it won't connect. It shows up on my PC as being connected; I can change resolution, etc. But the TV keeps saying "Looking for a signal..." It recognizes something is plugged in and never says that there isn't a signal. I've tried all the hdmi ports. It works with other devices, and the same PC with the same cable worked fine on my old TV. Any ideas on how to fix this? 

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Posted

try changing the input on the tv? 

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