In the same way How do I fix the resolution on my TV HDMI? For example, if your Samsung TV is not connected to the internet, the settings for Software Update or Contact Support will be grayed. It just means that a function or certain settings are not available based on the current source, settings, or connections. … If the issue continues, repeat the process but try a different HDMI input on your TV to see if this improves the situation. Disconnect the HDMI cable from the HDMI Output terminal on the connected device. Disconnect the HDMI cable from the HDMI Input terminal on the TV. In addition, Why does my TV not support HDMI? Use the slider to adjust the resolution until it reaches 1024×768 and save the settings. Right-click the desktop in Windows and select Screen Resolution to access the current settings. Changing the specific resolution on the PC and the television can also help to resolve the error.