Vizio TV Power Light Flashes 15 Times Repeatedly [Quick Fixed 2023]

So, you’ve powered up your Vizio TV, ready for a movie night or catching up on your favorite shows, but wait, what’s this? Instead of the usual screen magic, you’re greeted by a blinking power light making its best disco impression – 15 blinks, then off it goes. Discover expert solutions to fix the issue of Vizio TV Power Light flashes 15 times repeatedly. I’ll unravel the secrets behind those cryptic blinks and share some nifty tricks to get your TV back in action. 

Whether a minor glitch or a more electrifying challenge, I’m here to troubleshoot and zap those worries away.

Reasons Behind Vizio TV Power Light Flashing 15 Times Repeatedly

A person explaining on blackboard Reasons behind vizio tv power light flashing.

When your Vizio TV’s power light puts on a dazzling light show with 15 blinks or more, it’s a sign that something’s not quite right behind the scenes. 

Remember, while these reasons provide a roadmap for troubleshooting, it’s crucial to approach TV repair carefully, especially when dealing with internal components. If in doubt, consulting professionals or the manufacturer’s support is wise. 

With a little investigation, you’ll soon have your Vizio TV shining brightly on the screen, not just in blinking lights!

**1. Power Supply Issues: One of the common reasons for the power light to blink repeatedly is a disruption in the power supply. This could stem from faulty connections, unstable sockets, or insufficient voltage. A thorough check of your power cables, connections, and the health of your sockets is a good starting point.

**2. Software Glitch: Sometimes, a hiccup in the TV’s software can lead to erratic behavior, including blinking lights. Performing a soft reset or power cycle often does the trick. This helps clear any temporary memory glitches that might be causing the light show.

**3. cpower flow, causing the TV to act up. Inspect the cable for visible damage and ensure the connectors are clean and functional.

**4. HDMI Connection Problems: Faulty cables, broken pins, damaged ports, or poor connections can make your TV behave unpredictably, including the blinking light scenario. Double-check your HDMI connections, clean them if needed, and try different ports.

**5. Backlight Inverter Troubles: The backlight inverter, responsible for managing backlight voltage, could be causing the blinking if it’s not functioning correctly. Test its voltage output using a voltmeter and inspect the attached cables.

**6. Hardware Failures: A hardware component might sometimes malfunction, triggering the light show. This could be the power supply unit itself or other internal components. If you’re comfortable, you can explore these components with caution.

How to Fix Vizio TV Power Light Flashes 15 Times Repeatedly?

Ultimately, your Vizio TV’s blinking light might result from various factors – from simple glitches to more complex hardware concerns. This guide will help you solve the riddle and relive the cinematic experience. Let’s begin.

Step 1: Power Cycle/Soft Reset Your TV

steps to reset vizio tv using wall socket and power button of tv
  • Unplug your Vizio TV from the main power source.
  • Disconnect all cables connected to the TV.
  • For at least 15 seconds, hold the TV’s panel power button (not the remote).
  • Plug your TV back in after 30 minutes.
  • Plug your TV in and power it on to see if the blinking light issue persists.

Step 2: Check the Wall Socket

A man checking the wall socket ,and wall socket with cable
  • Unplug your Vizio TV from the socket.
  • Unplug all cables or smart plugs.
  • Plug another device into the socket that uses a similar amount of power as your TV.
  • If the other device works properly, plug your TV into the socket to see if the blinking light continues.
  • Alternatively, try a different functioning wall socket to ensure a consistent power supply.

Step 3: Inspect the Power Cable

  • Examine the power cable for any damage or knots.
  • Check the power connector on your TV for rust or corrosion, which can hinder proper power supply.
  • If damage is found, replace the cable or connector to ensure an adequate power connection.

Step 4: Troubleshoot HDMI Connections

  • Turn off and unplug your Vizio TV.
  • Disconnect all cables, including HDMI connections.
  • Clean the cables and connectors with a soft brush or air compressor.
  • Reconnect the cables and power on the TV to check if the issue is resolved.
  • Consider trying a different HDMI port if the problem persists.

Step 5: Check the Power/Main Board and Backlight Inverter

  • If external checks don’t resolve the issue, it’s time to delve inside.
  • Carefully open your TV case to access the power/main board and backlight inverter.
  • Ensure the power socket on the board is receiving power.
  • Verify that all components on the board are receiving power.
  • Inspect for any damaged parts or capacitors.
  • Use a voltmeter to test the backlight inverter and its cables.
  • If the boards and inverter seem fine, consider the possibility of a failed backlight.

Step 6: Seek Professional Help

  • If the issue persists after attempting these steps, it might be best to consult a professional technician or the manufacturer’s support.
  • Remember, tampering with internal components might void warranties if not done properly.


Can a malfunctioning HDMI connection cause the blinking power light?

 Faulty HDMI cables, damaged ports, or loose connections can trigger this issue. Double-check and clean HDMI connections or attempt an alternate HDMI port.

Is there a quick fix for the blinking power-light problem? 

Indeed, a power cycle or soft reset might do the trick. Unplug your TV, hold the power button, wait, and then plug it back in. This often clears minor glitches causing the blinking.

Is it safe to inspect internal components for a solution? 

While external checks are generally safe, tampering with internals could void warranties. If basic troubleshooting doesn’t work, consult a professional technician for in-depth diagnostics.

Could software glitches cause the blinking power light? 

Software hiccups can be behind this. Try a soft reset or power cycle to clear any temporary issues in the TV’s memory.

How do I determine if it’s a power supply problem? 

Check power connection cables and ensure stable voltage from the wall socket. Testing another device in the same socket helps rule out power supply issues.


Our troubleshooting steps have shed light on potential culprits, from power supply hiccups to HDMI connection tangles. However, if the enigmatic blinking continues its dance, what other technical puzzles might we tackle next? What lies beyond the blinking lights?

Hey, I'm Salma, the tech enthusiast and blogger. I adore exploring diverse technologies and uncovering their secrets. I'm all about sharing solutions to tech challenges and keeping the innovation spirit alive.

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