Onn Roku TV Red Light Blinking? (Don’t Panic, Easy Fix!)

If you’re dealing with the Onn Roku TV red light blinking problem? There’s an easy solution!

While the continuously blinking red light often indicates an internal component failure, it could also be related to a simple software glitch or power insufficiency.

The TV is also likely to fail the boot-up sequence for as long as the red light is there.

Nonetheless, there’s a variety of things to try, such as:

Keep reading for a detailed review of each solution!

Best Ways to Fix the Onn Roku TV Red Light Blinking

Tip: Have you tried booting up the TV through the “Power” button on the side/rear panel?

1. Hard Reset the Onn Roku TV

A standard, yet highly effective way to address any issues with the onn Roku TV is to conduct a power cycle.

This procedure will drain all of the TV’s power supply and allow for a full relaunch of all system services.

Follow these simple instructions to hard reset the onn Roku TV:

1. Press the “Power” button on the TV’s remote control.
2. Disconnect the TV’s power cable from the A/C outlet.
3. Unplug the other end from the rear panel of the TV.
4. Wait 60 seconds while the TV’s power is unplugged.
5. Reconnect the power adapter and check the indicator.

If the TV’s indicator initially lights up in red but shifts colorless shortly afterward, there’s a strong possibility that the issue is no longer present.

If the color code persists, proceed with the next step as a third-party device might be involved.

2. Disconnect All Third-Party Devices

Interfering third-party devices can be the reason why the onn Roku TV won’t turn on and red light blinking issue.

Essentially, the most sensible thing to do would be to unplug all external audio or video devices plugged into the onn TV, that could be causing issues.

Unplug all devices connected over the following cables:

• HDMI cables and ARC.
• Optical or Coaxial cables
• RCA or Component cables

It is also recommended to temporarily suspend the connection of all Bluetooth and wireless devices (if any) to the onn Roku TV.

Ensure the only cable that’s left connected is the power adapter of the TV and check if the blinking red light is still there. 

3. Address Power Issues with the TV

The sudden refusal of the TV to turn on accompanied by the persistent red blinking light is a typical result of an underlying power shortage.

The red light could simply be an indication of the underlying problem, that can be anywhere with the power installation of the TV.

Let’s go through the most important things to check in the TV’s setup!

Step #1 Secure the Adapter’s Connections

The first and most important step is to ensure the TV’s power adapter is securely connected on both ends.

Potential obstructions in the TV’s power port or outlet might loosen the connection and result in a temporary suspension of the power supply. 

Step #2 Test on a Different Electrical Outlet

There’s also a possibility that the electrical outlet of your onn Roku TV has developed a fault with the electrical transfer.

For testing purposes, relocate the TV with all of its power equipment next to an alternative outlet to test the power supply.

Step #3 Test with a Different Power Cable

The onn Roku TV uses a regular male-to-male two-prong adapter, meaning testing with a replacement should be relatively easy.

If you have an adapter that matches both inputs of your TV’s adapter, feel free to install it in the setup and check if the red lamp is still there.

Note: A defective power adapter could have visual damage to the periphery or bent spots. 

4. Perform a System Factory Reset

The onn Roku TV blinking red light can also be addressed through a clean factory reset.

Most onn Roku TV models come with an in-built factory reset button, usually located on the rear or side panels.

Pressing the button for longer than 10 seconds should initiate a factory reset procedure, erasing all of the TV’s content and data once released. 

4.1 How to Find the Roku TV “Reset” Button?

If searching your TV’s rear, side, and lower panels thoroughly did not show the button, you should perhaps consult the user manual or check your exact model online.

It is also possible for the reset button to be a pinhole that requires a paperclip or a pin to be reset respectively.

4.2 How to Factory Reset Onn Roku TV?

Follow these simple instructions to factory reset the onn Roku TV:

1. Hold the “Power” button on the remote for 15 seconds.
2. Locate the “Reset” button on the side or rear TV panel.
3. Insert a pin, pen, or paperclip into the TV reset pinhole.
4. Hold the button for approximately 10 seconds to begin.
5. Pull out the object from the pinhole and wait ~1 minute.

Well, before interacting with the TV, wait for a full 60 seconds to pass after releasing the power button.

Then, try to turn on the TV using the built-in “Power” button on the panel or the remote.

5. Inspect the Onn Roku TV Internally (Advanced)

Since there isn’t much left to try for the onn Roku TV red light blinking, you can disassemble your TV and carefully inspect each of the internal components.

It’s possible even for a beginner to identify simple faults such as a blown capacitor, bad diode, or lethal fault with the mainboard.

Before proceeding, note that tempering with the TV’s hardware will void your active warranty, so only proceed once you’re aware of the consequences.

So, let’s begin with the disassembly instructions first!

5.1 How to Disassemble Onn Roku TV?

1. Unplug the TV and lay it face down on a flat workspace to start.
2. Detach the stand as it could block some of the rear panel screws.
3. Remove the 6–10 screws holding the TV’s back panel attached.
4. Carefully pry the panel away from the TV’s hardware to remove it.
5. Now, store the screws and the TV stand in a container on the side.

5.2 How to Identify Internal TV Damage?

Once you have removed the back panel, you should see:

• The power board
• The mainboard
• Speakers/capacitors

Before proceeding, recognize the main supply jack going into the mainboard and carefully remove it from the slot to drain the residue power. Now, you can begin the HW inspection.

Look for the following damages on the TV’s hardware:

• Blown or burnt capacitors on the boards.
• Visual damage to the board’s A/C supply.
• A blown fuse on the power supply board.
• Damaged TV IC Chips/HDMI/USB Ports

If you’re uncertain whether or not you can replace a potentially defective component on your own, you could still inform the customer support team or a service technician with essential details regarding your thorough inspection.