DIY Repair and Trouble shooting guide for Common LED TV Problem

All LED TV brand is prone to defect and no such thing as tough LED TV. Remember they're all made with the same material and powered with electricity. However, quality may vary with workmanship.

Currently the following LED TV brand that is available and well know to the market nowadays are the following; Samsung, Sony Bravia, Apple TV, LG, TCL, Haier, Sharp, Sanyo, Skyworth, Toshiba, Devant, Hisense, Xenon, Prestiz, Pensonic, Promac, Nova, N. Vision, H.K. TV, Panasonic, National, EZY, and many more Chinese brand TV.

I write this article for one thing in mind. That is to help you getting out of the frustrations or give you an idea of what is really happening on your LED TV, here are the complete list of problem or defect you are currently encountering or might be encountered in the future.

So let's get started...

Black Light Bleeding

Please refer to those encircled white spot near the edge of the TV is known as backlight bleeding. This scene should be all black and red font in the middle "THE RED DOOR". However, due to the cheapest materials it use to built this cheapest Smart TV for savvy shopper, the black scene has been compromised. 

Backlight bleeding is not a factory defect, so don't worry about it. If you encounter this phenomenon then don't be alarm, no fixed is necessary. Therefore, if you are one of the many bargain hunter end user, don't expect so much on the cheap merchandise.

Coocaa 32S3U Smart Coolita TV

No Signal

This problem can be caused by a loose or damaged antenna cable or port, a faulty TV input, or a problem with the Smart TVs mainboard itself. To fix this problem, try the following:

  • Check the cables on antenna port and make sure they are properly connected.
  • Try a different TV input.
  • Reset the TV to factory settings.

Black screen or No Display

This problem can be caused by a faulty Smart TV mainboard, a problem with the TV's software, or a problem with the TV's display. To fix this problem, try the following:

  • Restart the TV.
  • Reset the TV to factory settings.
  • Contact customer after sales service for assistance.

Cannot Cast or Screen Mirror

This problem can be caused by a faulty Software or not compatible devices. To fix casting problem problem, you should do the following:

  • Restart the TV.
  • Restart the Mobile Phone
  • Update the Software and Firmware of Smart TV

Connected, No Internet

This problem can be caused by a weak Wi-Fi signal, a faulty TV Wi-Fi adapter, or a problem with the TV's software. To fix this problem, try the following:


These are the most common problems with the Smart TV we encountered and given solution. If you are experiencing any of these problems, try the troubleshooting steps above. If the problems persist, you can contact customer service for further assistance.


  1. What shall i do with my 32" ezy tv after i turn it on it has a black horizontal line?

  2. how to fix burning mode in screen or the screen is turning to RGB color display

  3. I'm really inspired together with your writing skills and also with the layout for your weblog. Thanks for sharing this blog here. large format displays

  4. How to fix the buttons at the back of Skyworth 32E2 because when I click the (SOURCE) button in remote control the system continuously select that is why I can't do online class

  5. Remarkable post. I simply came across your blog and desired to say that I have really enjoyed searching your blog posts. Thank you for sharing such blogs. Customized Led Screen Supplier Online

  6. This comment has been removed by the author.

  7. Just bought our Coocaa tv, it was good on first 3 days, but not it has no pictures but has sounds. What is the possible problem?

  8. Discoloration when im watching but its okay when im not. What seens to be the problem?

  9. I will share it with my other friends as the information is really very useful. Customized Led Screen Supplier Online Keep sharing your excellent work.

  10. Your article contains lots of wonderful information about audio samsung TV. Yes, it is useful for any commercial spaces. Thank you for sharing such a good article here. samsung bh75t

  11. You have worked nicely with your insights that makes our work easy. The information you have provided is really factual and significant for us. Keep sharing these types of article, Thank you.Led screen panel india

  12. I recently came upon your blog and wanted to express how much I liked reading led screen installation your postings. I'm hoping you'll write again soon. Thank you very much for the excellent information.


Post a Comment

Popular posts from this blog

How to connect your Smartphone to Skyworth TV or Coocaa TV? (Viewing phone screen to Android, Smart, Basic TV)

Connecting your Desktop Computer or Laptop to TV (Skyworth Android TV)

How to CONNECT your phone to the TV?