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Assuming the TV is set to use the correct HDMI, the troubleshooting we do at work that resolves this is as follows... - If it's a Windows computer, connect the monitor / TV and then power it on. Several units DO NOT WORK until it is connected / booted from full power-off this way. (Not sure why.) - If it's a Windows 10 computer, some models of monitors and TV's take FOREVER to detect. Some take nearly 15 minutes. With speakers on, listen for the series of "De Dunk" sounds that hardware connected / drivers installed process plays. If you're getting the sounds, it's thinking about it in the background. Wait it out. - If it still doesn't work, verify the VERSION that your HDMI CABLE is. HDMI 1.3? 1.4? Many cables poorly identify their specs. - And FYI, many common graphics cards can't handle 4k, though a 4k tv will handle 1080p just fine, given the above troubleshooting.
Sorry, there was a problem. Please try again later.Depends on your PC, for example Dell on Windows 10, if your PC and the 4K TV are connected with the same Wi-Fi, then on the PC, go click "Connect" and the TV will detect without the need of HDMI cable. Or Option 2 is to buy another HDMI cable.
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