Buzz
1. Incorrect Channel Scanning or Unstable TV Signal
You notice the TV screen displaying only one color, while sound is still audible. This indicates an unstable TV signal or errors during channel scanning.
Solution
Firstly, users can try switching to another channel to see if the TV loses picture on all channels or just one channel.
You can manually rescan the channel with picture loss or perform manual scanning in cases of unstable TV signals.
Users can also use auto channel scanning to overall scan channels again to prevent TV no picture issue from recurring.
Check the TV signal transmission cable carefully. If any damage is detected, replace it with a new one.
2. Due to loose or faulty power connector, loose connection, or damaged connecting cable
At this point, the TV screen will flicker or go dark and turn off. No sound will be emitted from the TV, leading to the TV no picture issue.
Solution
Carefully check the power source, power socket, power cords, and fuses to see if these components are malfunctioning for immediate troubleshooting.
Securely attach the cable head, double-check HDMI and AV connections to ensure they are plugged into the correct port.
If the connecting cable is damaged or corroded, causing the TV no picture issue, users can repair or replace it with a new connecting cable.
Review the video cable to ensure it is plugged into the correct connection port, or the HDMI cable position is accurate.
3. Due to TV power loss
In this case, you will observe the TV screen going dark while the power light is on, and sound is still audible.
Solution
Contact the authorized warranty center or reputable TV repair facility to address and resolve this issue. Avoid attempting home repairs if you lack deep knowledge about TVs.
4. Due to poor-quality video from USB, or TV set-top box
Poor-quality video from USB or TV set-top box projected onto the TV can result in no picture on the screen.
Solution
Switch to a different video source with better quality.
Try using different DVD discs to prevent issues with scratched discs leading to poor quality.
