The most common reason for a TV to display a blue screen with no picture is because the source device has not been set to the proper mode. If you are using a cable or satellite set-top box, ensure that it is turned on and set to an active station.
Perhaps the most common reason why your TV screen is blue is that the source or input device has not been set up in the proper mode. For example, if your cable box is linked to your TV using a coaxial cable, your TV needs to be set to a program channel input to receive a signal, not a TV/Video input.
This can be caused by a variety of factors, including hardware or software issues, power problems, or issues with the HDMI connections. In many cases, the black screen of death can be fixed by restarting the TV or by resetting it to its factory settings.
What causes a TV screen to go black? Software issues, loose connections, or backlight problems are usually behind black TV screens.
Is There a Power Surge? If you have a brand new TV and the screen is dark, it could be that your high voltage has caused a power surge. In this case, check to see if your outlet is working properly. If it's fine, then check to see if the fuse in your TV needs replacing.
The average lifespan of an LED at maximum or close-to-maximum brightness is 40,000 to 60,000 hours, or roughly 4.5 to 6.8 years. If you aren't watching TV for 24 hours a day (and I hope you're not), an LED TV like the 5-Series could last around 13 years, provided none of the other components fail beforehand.
Check the Input of Your TV
A black screen with sound on your TV might also be caused by issues with the TV's input source. To check the input source; Check all the input devices and ensure that they are all connected well to the TV. Take one device and connect it to a different port to see if it works.
One sign that your TV might unfortunately be on the way out is you notice that's it's looking a lot dimmer than usual. This might be something that's gradual or even immediate, but a decrease in luminosity is a key indicator that it could be time for a replacement.
Almost certainly an internal power supply failure. The internal power supply provides a range of voltages to power all of the elements of the TV. The “standby voltage” section is pretty robust, so you have the red light. There's not enough power to boot the internal computer or light the TV screen.
If the red standby light comes on, your TV is receiving power and will probably turn on just fine. This means that there is an issue with the original outlet you tried.
Does TV emit blue light? In short, yes. LED screens that are popular these days emit a great deal of blue light, which can be potentially harmful to the eyes. Therefore, watching too much TV, especially late at night, can suppress melatonin production that makes us ready for sleep.
The best way to fix the black screen is to restart your TV. If it does not work, check for loose connections. If the HDMI cable has worn out, get a new one. A software update can also help solve the black screen on your TCL TV.
The average cost for TV backlight repair ranges from $100 to $150, and at-home repairs will cost more than in-store repairs due to the travel fees. TV black screen repair cost. Black screen TV repair cost ranges from $100 to $200.
In conclusion, if your TV is relatively new, still under warranty, and has sentimental value, repairing it might be worth it. But if your TV is already several years old and has a history of issues, it might be time to say goodbye and invest in a new one.
Common wisdom says that the average television can last between 4 and 7 years, depending on usage, potential damage, and other factors. So, if you've had your television for more than 5 years and feel that your home is due an upgrade, then it's perfectly reasonable to start researching the best brands and features.
Unplug the television power cord (mains lead) from the electrical outlet. Let the television remain without power for 2 minutes. Plug the power cord (mains lead) back into the electrical outlet.
Doing so helps clean out the clutter, and prevent freezing mid-stream, sign-in troubles, and unresponsive services. Restarting can also cancel out multiple tasks from interfering with each other and allow your TV to start fresh, according to Shull.
The Most Common Causes of Display Failures
The backlight filter - When a short in the backlight circuit occurs, the thin wire inside the filter breaks, severing power from the backlight LEDs. The backlight diode - Like the backlight filters, the backlight diode is a fragile component.