What should I do if the TV turns black? Determine black screen type
Television is a common entertainment appliance in family life and adds fun to our lives. However, it is inevitable that some faults will occur during use, of which black screens are the more common type. When the TV fails with a black screen, it will seriously affect our viewing experience and even cause economic losses. Therefore, it is crucial to master some basic knowledge of TV black screen troubleshooting and maintenance, so that when encountering a black screen situation, it can be dealt with in a timely and effective manner.
1. Determine black screen type
Before performing any maintenance operations, you must first determine the type of black screen on the TV. Common types of black screens include:
Complete black screen: The entire screen is completely dark and there is no picture displayed.
Black screen with sound: The TV can make sound, but there is no picture displayed on the screen.
Backlight is on and black screen: The TV backlight is on, but there is no picture displayed on the screen.
2. Simple maintenance method for common black screen faults
Depending on different black screen types, corresponding simple maintenance methods can be adopted:
Completely black screen:
Check whether the power cord is firmly connected and whether the socket is supplying power.
Check whether the TV’s power switch is on.
Check the remote control for low battery or damage.
Try resetting the TV: Unplug the power cord, wait 30 seconds, and then plug it in again.
There is a sound and black screen:
Check whether the TV’s signal source is normal, such as antenna, set-top box or HDMI cable.
Switch between different signal sources and try.
Check that the input mode of the TV is set correctly.
Backlight is on and black screen:
Try increasing the brightness settings on your TV.
If it does not work, the backlight may be malfunctioning and requires professional maintenance.
3. precautions
Be sure to cut off the power to the TV before performing any maintenance operations to avoid electric shock.
If you are not familiar with TV maintenance operations, it is recommended to seek the help of a professional maintenance personnel.
Regular cleaning and maintenance of TV sets can effectively prevent failures.
4. Prevent TV black screens
Clean the dust from the TV regularly to keep the heat radiating smoothly.
Avoid placing strong magnetic field objects near the TV.
During thunderstorms, unplug the TV.
Regularly check the connecting cable of the TV to ensure that the connection is firm.
Use regular power outlets to avoid unstable voltages.