Why LCD TVs go black? Causes and solutions to TV Black Screen

Timins

Member
While watching your favorite show or movie on the TV, it must be very frustrating when the screen suddenly goes black. So, why is the LCD TV black screen after a while? What is the LCD TV troubleshooting plan? The reasons and solutions for the black screen of the LCD TV are as follows.

LCD TVs go black.jpg


1. Power failure

Solution:
Check the power connections, most of the time, the best answer is the easiest one. So please check if everything is working properly or if there are no loose connections. Then do the following: Turn off the TV, then unplug it. After 15-30 minutes, replug the TV and press and hold the power button for a few seconds. Next, release the button and turn on the TV again.

2. Cable failure

Solution:
Consider replacing it with a new HDMI cable, as it may have a short circuit or another defect, causing a black screen.

3. Mode setting error

Solution:
Some TVs will automatically turn off the screen, if the TV has this feature, be sure to turn off the power saving mode or power saving mode.

4. Problem with the TV panel

Solution:
If you've tried the first three steps and the TV screen remains black, consider replacing its power strip. Doing this job is quite complicated. In fact, the model of the motherboard and the method you want to use vary from TV to TV.

To do this, you will need:
  • Prepare a soft towel or cloth to protect the TV screen, remove the screws;
  • place the TV face down and use a screwdriver to remove the screws on the back;
  • locate the fuse on the TV and replace it if it is blown;
  • Remove the screws securing the power board. Then replace the old one, put in your new power strip, and screw it down carefully;
  • Finally, reconnect all cables and wires, put the TV's back cover on and secure, turn on the TV to check if the repair fixed the problem.

The above are reasons and solutions for the black screen of the LCD TV. I hope it will be helpful to you. Finally, if you need equipment technical maintenance, it is recommended that you try to find professional maintenance technicians for help.
 
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