What to do if the screen of the Xiaomi TV A 43 2025 goes black?

If the screen of your Xiaomi TV A 43 2025 goes black, please refer to the following scenarios and their troubleshooting methods: 
Scenario 1:
Please refer to the following methods to check the TV:
1. Examine the TV screen for physical damage, such as cracks or pressure marks;
2. Press the power button on the TV or the remote control to make sure the TV is not in standby mode. Check the batteries in the remote control and replace them if necessary.
Scenario 2:
If the issue occurs when you are using external devices, please refer to the following methods:
1. Ensure that the HDMI cable connecting your external device to the TV is securely plugged in. If not, you can try using a different HDMI port on both the TV and the device;
2. You can connect a different device to the HDMI port (like another gaming console);
3. Check the HDMI port on the TV for any physical damage or debris that will obstruct the connection. Be very careful if you’re attempting to clean the HDMI port and make sure the TV is unplugged.
Scenario 3: 
If the issue occurs when you are using casting on your TV, please refer to the following detail:
Check the casting device settings for any display or casting settings. Make sure the casting device is set to the correct resolution and aspect ratio.
If the above troubleshooting methods can’t resolve the issue, please contact the local after-sales service center for further assistance. They will help you in this regard.