If you find Samsung TV sound but no picture, then first try to power cycle the TV, start by
turning off the TV and unplugging the cables from the power outlet. Now, wait for 30 seconds and press the power button for another 30 seconds. Next, plug in the cables in the power outlet and turn on the TV. Try to browse your favorite movie or series to verify whether this solution is able to retrieve back the picture.
If the Power cycle method is not enough, then we are about to discuss other alternative troubleshooting methods that can help you to fix the problem.
Generally Samsung TV sound is audible but no picture occurs due to a loose HDMI connection, issue in the power supply, faulty external devices, faulty backlight, software issues, incorrect input settings, etc.
Let’s start with the fixes.
6 Ways to Fix Samsung TV Sound but no picture
Before you start with the troubleshooting methods you need to check whether the connections are appropriate and the cables are seated in the exact port. Also, check whether the power source is functioning properly. You can try to connect the TV to an alternate power source to verify the connection.
If the error still persists, then follow the step-by-step process mentioned below:
1. Inspect the input settings of the TV
If there is no picture, but you can hear sound on your Samsung TV, then you need to check the input settings. If you have misconfigured the settings, then this problem can arise. So, using the Samsung TV remote, press the home button and a menu will appear on the screen. Check the input source and make the necessary changes to HDMI, AV, or USB cable. Make an appropriate selection by using the arrow buttons on the remote. If you press the source button and still there is no picture, then you need to proceed to the next troubleshooting method.
2. Faulty HDMI connection
If there is a fault in the HDMI connection, then you won’t be able to see any display on the Samsung TV screen. It generally occurs due to an interrupted video signal. Now, to fix the problem, remove the cable from both ends. Wait for 30 seconds and then plug the cables into the TV and also the other device. This would reset the HDMI connection.
You can try to swipe the HDMI ports to check whether there is a fault in the TV HDMI port. Also, if you are using a non-certified cable, then it’s time to dispose of it and get a certified and genuine one so that video signals do not get interrupted.
3. Inspect the external devices
If you have connected any external devices to the Samsung TV, then it might also lead to temporary glitches interfering with the video signal of the TV. Thus, leading to no picture issue This problem generally occurs if you have connected streaming devices, gaming consoles, cable boxes, or BluRay players with the TV.
To fix the problem you need to reboot the external connected device. So, turn off the external device and then the TV. Now, unplug the cables of the TV from the power outlet and also the cables connecting the external device and the TV. Now, wait for 60 seconds and then plug the cables into their exact and appropriate socket. Turn on the TV and this should reboot the external devices and the TV as well. Finally, check whether the issue with the picture persists.
4. Replace faulty backlight
If you are still unable to view the picture on Samsung TV, then it might be because of the backlights. In case the backlights are nonfunctional, then you won’t be able to see any pictures on the TV.
So, you have to verify whether the backlights are faulty. Start flashing a light on the TV screen, if you see a blurred image, then the backlights need to be replaced. To fix the problem, you have to turn off the TV, unplug the cables from the power source and carefully remove the back cover of the TV. Inspect the circuit board and locate the faulty backlights.
Now, carefully disconnect the cables and unscrew the holdings, and remove the backlights. Replace the older ones with new and certified backlights. Put back the back cover of the Samsung TV, attach the cables, and turn on the TV and this should fix the no-picture issue.
5. Fault within the Samsung TV’s hardware
If the hardware, such as the main board, LCD panel, and cables inside the T-Con board is damaged, then you need to replace them to fix the picture issue of the Samsung TV. These are core delicate parts and might break with a little pressure or can get damaged permanently. In this scenario, you need to seek help from customer service and get the hardware components repaired or replaced. Thus, you won’t face the issues the next time you are trying to watch your favorite movie.
6. Factory reset Samsung TV
Restoring the TV to its original state has been beneficial in resolving most of the technical glitches. So, factory reset the TV when you can only hear the sound but the screen appears blank. Pull out the cables from the power outlet and hold on to the power and volume button present on the TV at the same time. Now, plug the TV cables back into the power source while you are still holding the buttons. The Samsung logo will appear on the screen when you release the buttons. Finally, you can see the picture as well as hear the sound without much difficulty.
Can a faulty household power supply create no picture issue on Samsung TV?
Yes, a faulty household power supply, can also lead to no picture on Samsung TV. So, you need to remove the surge protectors or smart plugs and directly connect the TV cables to the power wall socket. Without using the remote you can also turn on the TV manually by pressing the physical power button located on the bezel of the Samsung TV. In case you see a red solid light, then the TV is suffering from insufficient voltage. Thus, you need to correct the voltage and also confirm whether the household power supply is proper.
What are the precautions to maintain when testing a backlight strip on TV?
While you are testing the backlight strip, you must disconnect the wires, and ribbons which are present at the edge of the TV. Unscrew the edge of the TV carefully that holds the backlight. While you are removing the back lights you must be very careful about the strip of LED lights to avoid any electrical shock. Also, check whether the backlights are working by using a voltmeter or TV backlight tester.
Why is there a red light blinking sound but no picture on Samsung TV?
If you are continuously seeing a red light flashing and there is no picture on the Samsung TV, then it indicates a power supply problem. To fix the issue you have to use a different power source. Next, connect the Samsung TV and wait for a few seconds to establish a proper connection. Next, press the power button to turn on the TV and check whether the TV screen still appears black or you can watch your favorite show.