First connect the HDMI cable from your monitor to your device—such as a laptop, cable box, Blu-ray player, or gaming console. Make sure the connection is secure, and the cable is properly plugged into both the monitor and the device. Next, turn on the monitor and device. Depending on your device, you may need to press the "Input" button 1Onyour laptop's keyboard, press Windows key + R key together to open Run box. 2 Type control in the box and hit Enter to open Control Panel. 3Click Display when view by Large icons. 4Click Adjust resolution. 5Select TV from Display drop-down list. 6Then try to change its solution to earn a best view on TV screen. Openthe Control Panel. You can do this by clicking the menu button in the bottom left corner of the screen and selecting "Control Panel" from the menu. 2. Select "Sound" from the list of options in the Control Panel. 3. In the "Sound" window, click on the "Output" tab. 4. From the drop-down menu labeled "Output device Tofix HDMI not working or no signal on your motherboard: Ensure the HDMI cable and port has no visible physical damage. Look for the Enable iGPU or Enable Multi-GPU in the BIOS and turn it on. Set the monitor source to HDMI. Make sure the display device's firmware and Windows are updated to the latest version. Ifyour PC is already connected to the same network using ethernet, you just need to check the TV's connection. Moreover, enable Bluetooth on both devices. Step 2: On your TV, go to the screen mirroring option. Step 3: Open Windows Settings on your computer. Click on Devices. Step 4: Click on Add Bluetooth or other device and then click on GHiS.

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