This could be due to loose cables connected to your GPU card to the PC HDMI port.Īnother reason why HDMI ports fail to detect secondary monitor devices like HD TV or LCD TV, is due to faulty drivers of the GPU. Open your cabinet and check whether the green lights on the card are glowing are not. The reasons could be many in which we listed some of them in our article “ Fix Windows 10 HDMI Problems“.īut if your PC HDMI port is not working, the first thing is you need to check is your GPU card. You may get a “ No Signal …” kind of error on your monitor device, when your PC HDMI port is having a problem. So you connect your HDMI cable from PC to the required HD TV or Smart TV which has a receiving port using a cable. Related : Download or Install or Update NVIDIA HD Audio Drivers for Windows 10 or 8.1 or 7
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