How to resolve no image and sound issues on the Xiaomi TV F2 32?

If the Xiaomi TV F2 32 has no image and sound issues, please refer to the following scenarios and their troubleshooting methods:
Scenario 1:
If the issue occurs when you are using apps on your TV, please refer to the following methods:
1. Please check the apps updates by selecting the [Search for] icon with your remote >> [Appstore] >> select the app you want to update >> press the three-horizontal-lined button on the remote control >> [More Info] >> [Update];
2. Ensure that the app you are using has the necessary permissions to access the internet and other required resources on your TV;
3. Please adjust the display settings by navigating to [Settings] >> [Display & Sounds] >> [Picture Settings] >> select the input source >> adjust the picture settings;
4. You can check the TV audio settings. Please navigate to the [Settings] icon >> [Display & Sounds] >> [Sound Settings] >> on this page, you can adjust your sound settings and reset the settings;
5. Please check for system updates by navigating to the [Settings] icon >> [Device & Software] >> [About] >> [Check for Updates];
6. If all other methods fail, please reset your TV to the factory defaults by navigating to [Settings] >> [Device & Software] >> [Reset to Factory Defaults] >> [Reset].

Scenario 2: 
If the issue occurs when you are using external device like DVD player or game console, please refer to the following methods:
1. Verify that the settings on the external device are configured correctly;
2. Ensure that the external device is properly connected to the TV. Verify that the cables are securely plugged into the correct input ports;
3. Inspect the HDMI cable for any damage. If possible, try using a different HDMI cable to see if the issue is related to the cable itself.

Scenario 3:
If the issue occurs when you are using casting on your TV, please refer to the following methods:
1. Make sure that both your casting device and the TV are connected to the same Wi-Fi network;
2. On your casting device, check the screen mirroring or casting settings. Make sure you have selected the correct TV or casting device.
If the above troubleshooting methods can’t resolve the issue, please contact our local official service center or your seller for further assistance. They will help you in this regard.