Your Samsung TV’s red light may be blinking and turning on and off, which disrupts the shows and movies you want to stream. It’s a common issue with Samsung TVs and has many potential causes. Before you get too frustrated, take a deep breath, and check out these troubleshooting tips to see if you can fix it yourself.
Samsung TV Red Light Blinking Turning On and Off
If the red light on your Samsung TV keeps blinking and the TV is turning on and off, it could be a power supply issue. The red light blinking on a Samsung TV happens due to factors such as:
- High temperatures
These cause malfunctions of other components or the TV itself. Check all the possible causes before trying a solution.
Power Supply Getting Fried
The power supply unit may malfunction, causing the TV not to turn on properly. If you suspect a power supply failure in your Samsung TV, there are a few things you can try to fix it:
- Unplug the TV from the power source and wait a few minutes before plugging it back in.
- Check the power cord to ensure it’s securely plugged into the TV and outlet.
- Ensure the outlet works by plugging in another device.
- Check for loose cables and securely connect them to the TV.
Surge Protector and Wall Outlets Failing
A surge protector prevents electronic devices, such as a Samsung TV, from damage caused by power surges and voltage spikes. A failed surge protector won’t help if your Samsung TV has a red light blinking or turning on and off.
- Check the surge protector to ensure you plugged it in and check that the indicator light is on.
- Test the outlet by plugging in another device that works.
- Check the circuit breaker to see if it’s tripped for that outlet.
- Replace the surge protector if it’s old or damaged.
A faulty remote control can cause various issues with a Samsung TV, like the red light blinking rapidly or the TV turning on and off.
Fix your remote by installing new batteries and keeping it in the TV range. Move any objects that may block the remote’s signal, including other electronic devices that might interfere.
Universal remotes work on any TV, so try another remote when you have a blinking red light on your Samsung TV. Sometimes, the remote is old, and you need a new one.
Check if the remote is compatible with the TV model. Check the remote’s manual or look for the model number on the remote and compare it to the TV’s model number.
Bad Power Capacitors
Power capacitors store electrical energy and regulate the flow of electrical current. A bad power capacitor causes problems in a Samsung TV with a blinking red light. They are on the power supply board to deliver a consistent power supply to the internal components.
Replace the faulty capacitors by following these steps.
- Unplug the TV and remove the back panel.
- Locate the power supply board with several large capacitors on it.
- Look for bulging or leaking capacitors.
- Carefully remove the bad capacitors by pulling them from the sockets.
- Replace the bad capacitors with new versions of the same type. Pay attention to the positive and negative polarity when you install the new capacitors.
- Reassemble the TV and plug it back in.
If you’re not a handy person, hire a technician for help since it’s a complex repair.
Shorted LED Backlight Strips
LED backlight strips are a crucial component in a Samsung TV, as they illuminate the LCD panel and produce the picture on the screen.
Replacing LED backlight strips is complex. You need knowledge of electronic components and soldering. Hire a professional for this job who will follow these general steps.
- Remove the back cover to gain access to the internal components.
- Test the LED backlight strips with a multimeter to identify the bad ones.
- Replace the shorted LED backlight strip with a new one, soldering the new strip in place.
- Test the TV to ensure that the picture works.
- Reassemble the TV.
Vertical Synchronization Failure
Vertical synchronization (V-Sync) synchronizes the display’s refresh rate with the frame rate of the video source.
There are two common causes of V-Sync failure:
- A malfunctioning graphics processing unit (GPU)
- A malfunctioning timing controller (TCON) board
A V-Sync failure indicates a problem with the video source, such as a malfunctioning cable box or game console.
Fixing a vertical synchronization (V-Sync) failure in a Samsung TV is highly technical. If you suspect your Samsung TV has a V-Sync failure, contact a professional technician for help.
If you suspect your Samsung TV has defective hardware, follow these tips.
Contact Samsung support and provide them with the model number of your TV and a description of the problem. They’ll give guidance on how to fix the problem, or they may repair the TV under warranty.
You should also check for loose connections between the TV’s components. Securely connect all the cables to the TV.
If none of the above steps resolve the issue, contact a professional technician or Samsung support for further assistance. Fixing a hardware defect on a Samsung TV is difficult and requires knowledge of electronic components. You’ll have to solder the new parts, so professional help is your best solution.
Check for Software Updates
If your Samsung TV is turning on and off by itself with the red power light blinking, you might need to update it. Checking for software updates on a Samsung TV is a simple process you initiate from the TV’s menu.
- Press the “Menu” button on your remote control.
- Use the navigation buttons to select “Support,” then “Software Update,” and then “Update Now.”
- If there’s a software update, the TV will download it automatically.
- The TV will prompt you to install the update. Select “OK” to install the update.
- The TV reboots to install the update. This process takes a few minutes to complete.
- Once the TV installs the update, return to the main menu.
Try Updating the Firmware
Updating the firmware on a Samsung TV is a simple process that you follow from the TV’s menu or via USB. If your Samsung TV’s red light is blinking, follow these steps to update the firmware.
- Press the “Menu” button on your remote control. Use the navigation buttons to select “Support,” then “Software Update,” and then “Check for updates.” The TV displays the current firmware version.
- Go to the Samsung website and download your TV model’s latest firmware version.
- Format a USB drive to FAT32 and create a new folder named “Samsung” on the drive. Copy the firmware update file to the Samsung folder.
- Insert the USB drive into the TV’s USB port. Press the “Menu” button on your remote control. Use the navigation buttons to select “Support,” then “Software Update,” and then “By USB.” The TV will begin the firmware update process.
- The update process may take several minutes to complete. Do not turn off the TV or remove the USB drive during the update process.
- Press the “Menu” button on your remote control. Use the navigation buttons to select “Support,” then “Software Update,” and then “Check for updates” to confirm the firmware update.
Reconnecting All the Cables
A problem causing the Samsung blinking red light could be faulty connections. Disconnect all cables to the TV and reconnect them to see if it corrects the issue.
Recharge the Remote Batteries
If you use rechargeable batteries, it might be time to recharge them or replace them with new ones. Try turning on the TV with the remote again to see if you fixed the issue that your Samsung TV won’t turn on with a blinking red light.
A blown fuse can cause the Samsung TV red light to blink and turn on and off, though it requires a little know-how to fix it.
- Unplug your Samsung and access the back of the TV.
- Locate the fuse, a small cylindrical object with two metal prongs.
- Remove and inspect the fuse. If the fuse’s metal looks broken, it’s blown and needs replacement.
- Replace the blown fuse with an identical one.
- Reassemble the TV and plug it back into the wall.
- Turn on the TV and check that it works.
Press and Hold the Power Button
Pressing and holding the power button on a Samsung TV will put it into Standby Mode, which will turn off the screen, but allow it to receive power. It disrupts the issue causing the blinking red light on a Samsung TV.
Use a Different HDMI Cable
A faulty HDMI cable can cause a TV red light blinking. Swapping the HDMI cable for a new one or one you know works is a possible fix.
Contact Samsung Technician
If none of these steps resolve your issue, contact a Samsung technician. They can help you when your Samsung TV won’t turn on but the red light blinks.
The Samsung red light blinking problem has several different possible causes. Hopefully, these tips solve the issue of your Samsung TV not turning on with the red light blinking. If not, contact a qualified repair technician for further assistance.
Frequently Asked Questions
Here are some of the most frequently asked questions about the issue of a red light blinking on a Samsung TV.
This replacement depends on the type of TV and warranty. Sometimes, Samsung may replace a faulty TV if it’s under the manufacturer’s warranty, but it depends on the individual case.
No, Samsung warranties don’t cover power supply failures.
Does a Samsung’s problem turning on the TV with red blinking lights still happen on a Samsung TV without a game console?
Yes, this issue can still happen on a Samsung TV even if you don’t connect a game console. The TV blinking red light indicates a hardware issue, so you must fix it from the source. The tips above can help, or you can contact Samsung customer service.