2. VGA is analog, HDMI is digital. When you were connecting your computer to your TV via a VGA cable different hardware in your TV was processing the signal. It is likely that your TV simply cannot process a digital signal of the resolution you are looking for. View and Download Sharp Roku TV LC-43LB371U user manual online. LED Sharp Roku TV Digital audio using the HDMI 1/ARC jack Your TV can send sound to an ARC device Open your TV's settings menu and disable CEC to see if it solves the problem. It may be called something different, depending on your TV's manufacturer. Sony calls it Bravia Sync, Samsung calls it If your Sharp TV and your connected device, such as a soundbar or gaming console, support HDMI-CEC, you can turn on both devices at once. To activate HDMI-CEC follow these steps: Go to your Sharp TV’s settings menu. Select CEC or HDMI-CEC in the menu options. Turn on HDMI-CEC option by toggling it on or off. player) require an HDMI signal to be set to Output in the settings of the device. Please refer to the User Manual that came with your device for step-by-step instructions. To connect an AV device with an HDMI cable (not provided): 1. Use an HDMI cable to connect the HDMI output port of the AV device to the HDMI port of the TV. 2. First, right-click the Windows desktop and choose Display Settings. Set Display Resolution to 3,840 by 2,160 (it should say "Recommended" in parentheses next to it). This will ensure your PC is KALUG.

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