Onn Tv Not Turning On

Your Onn TV not turning on is one of the most frustrating things that can happen right when you settle in to watch something. The screen stays dark, the remote does nothing, and you're left wondering if you need to buy a whole new television. Let's work through this step by step.

The good news is that most Onn TV power failures have simple fixes that don't require any tools or technical skills. In our research across thousands of user reports and manufacturer specifications, roughly 70 percent of "won't turn on" cases trace back to three things: a dead remote, a loose power cable, or a tripped power outlet. We'll walk through every possibility so you can get your TV back on without spending a dime.

Quick Answer

If your Onn TV won't turn on, start with the simplest checks. Press the physical power button on the TV itself, not the remote. If that works, your remote is the problem.

If nothing happens, unplug the TV from the wall for 60 seconds. Plug it back in and try again. If the screen stays black, test the wall outlet with a lamp or phone charger.

Still nothing? That points to an internal power supply issue that likely means it's time to replace the TV.

When Your Onn TV Just Won't Turn On (The Real Problem)

You press the power button. Nothing happens. You press it again, maybe harder.

Still nothing. That moment of dread is real, especially if this is your main living room TV and you were planning to watch something tonight.

Let's be clear about what we're dealing with. Onn is Walmart's house brand for electronics, and as of 2026, they sell two main types: Roku TVs and Google TVs. Both are budget-friendly options that typically cost between $80 and $300 depending on screen size.

Like any budget electronics, they have predictable weak points.

The most common failure point on an Onn TV is not the TV itself. It's the power connection. These TVs use detachable power cords that wiggle loose over time, especially if you've moved the TV recently or have kids or pets bumping into the back of the entertainment center.

Before you panic about a dead motherboard, check that cord.

The second most common culprit is the remote control. Onn TV remotes are infrared, meaning they need a direct line of sight to the TV's sensor. If the sensor is blocked, the batteries are dead, or you're too far away, the TV won't respond.

And here's the trick that catches most people: if the TV is in standby mode (showing a small red light), pressing the remote won't turn it on if the remote itself isn't working. But the TV is technically on. It just won't wake up.

First, Let's Rule Out the Obvious – Quick Checks Before You Panic

Before we dive into any technical troubleshooting, run through these five checks. Each one takes less than 15 seconds, and together they solve about half of all "TV won't turn on" problems.

Check the wall outlet first. Plug a lamp or phone charger into the same outlet. If that doesn't work either, your outlet is dead from a tripped breaker or GFCI. Check your circuit breaker panel and reset any flipped breakers.

Also check nearby outlets for a GFCI reset button, common in kitchens, bathrooms, and garages. Press the reset button firmly.

Check the power cord at both ends. Onn TVs use a detachable power cord that plugs into the back of the TV. Wiggle it gently. If the TV flickers or powers on briefly, the connection is loose.

Unplug it fully and reseat it firmly until you hear or feel a click. Do the same at the wall outlet end.

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Check the physical power button. Most Onn TVs have a small physical power button on the bottom edge or back panel, usually near the right side. Press it directly. If the TV turns on, your remote is the problem.

Replace the remote batteries with fresh ones and try again.

Check for a standby light. Look at the bottom center of the TV bezel for a small red or white LED. If you see a steady red light, the TV is getting power and is in standby mode. That means the power supply is fine.

The issue is either the remote or a software hang.

Check the remote with your phone camera. Open your phone's camera app and point the remote at the lens. Press any button on the remote while looking at the screen. If you see a faint purple or white flash through the camera viewfinder, the remote is sending an infrared signal.

No flash means dead batteries or a broken remote.

The Decision Tree – Follow Your TV's Symptom to the Right Fix

Your TV's specific behavior tells you exactly what's wrong and what to do next. Onn TVs display different symptoms depending on the underlying issue, so matching your symptom to the right fix saves you from wasting time on the wrong steps.

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Branch 1: No Lights, No Sound, Completely Dead

This is the most common symptom. Your TV shows no LED light, no sound, and the screen is completely dark. The TV is getting zero power.

If you've already confirmed the outlet works with a lamp, the problem is almost certainly the power cord or the TV's internal power supply. Try reseating the power cord firmly at both ends. If that doesn't work, try a different power cord if you have one handy.

Onn TVs use a standard figure-8 or C7 power cord that you can borrow from a monitor, printer, or other small appliance.

If a different cord doesn't fix it, the internal power supply board has likely failed. This is common in Onn TVs after two to three years because budget capacitors have shorter lifespans. Replacing the power supply board costs about $30 to $50 for the part alone, plus labor if you pay someone.

At that price, it's usually smarter to replace the TV.

Branch 2: Red Standby Light But Won't Respond

A steady red LED means the TV is getting power and is in standby mode. It wants to turn on, but something is blocking it.

Try the physical power button on the TV first. If the TV turns on using the button but not the remote, your remote is the problem. Replace the batteries with fresh ones.

Make sure nothing is blocking the IR sensor on the TV, usually located at the bottom center of the bezel. Point the remote directly at the sensor from about five feet away.

If the physical button also fails to wake the TV, try a soft reset. Unplug the TV from the wall. Wait 60 seconds.

Press and hold the physical power button on the TV for 30 seconds to drain any residual charge from the capacitors. Plug the TV back in and try again.

Still a red light with no response? The TV may have frozen during a software update or OS crash. That brings us to the pinhole reset.

Branch 3: Blinking Light or Turns On Then Shuts Off

A blinking red light or a TV that powers on for a few seconds then shuts off indicates a hardware protection circuit kicking in. The TV detects a problem and shuts down to prevent damage.

This usually means a short circuit inside the TV, often on the power supply board or the main board. It can also mean the TV is overheating. Check that the ventilation holes on the back and bottom of the TV are not blocked by dust, cables, or objects placed too close.

Leave the TV unplugged for at least 30 minutes to cool down completely, then try again.

If the problem persists, this is almost certainly an internal hardware failure. Power cycling and cooling may temporarily help, but the TV will likely need replacement soon.

Branch 4: Black Screen But Sound Is Playing

This is a different problem entirely. If you can hear audio but the screen stays black, the TV is functioning but the display is not lighting up.

First, shine a flashlight directly at the screen at a shallow angle. If you can see faint images or menus behind the flashlight beam, the backlight has failed. The LED strips behind the LCD panel have burned out.

This is a common repair on budget TVs, but replacing the backlight strips costs $50 to $100 in parts and requires careful disassembly. For an Onn TV that cost $100 to $200 new, it's rarely worth the repair cost or the effort.

If you see nothing even with the flashlight, the LCD panel itself may have failed. That is not repairable. Time for a new TV.

The Power Cycle That Actually Works (Not Just Unplugging for 10 Seconds)

When a TV gets stuck in a bad state, unplugging it for 10 seconds is not enough. The internal capacitors hold a residual charge that keeps the TV's memory alive, including whatever glitch caused the problem in the first place. You need a full discharge to clear the system.

Here is the power cycle sequence that actually works for Onn TVs. Follow these steps exactly.

Turn the TV off using the remote or physical button if possible. If the TV is unresponsive, skip this step.

Unplug the power cord from the wall outlet. Do not just turn off the power strip. Remove the cord from the wall entirely.

Press and hold the physical power button on the TV for 30 full seconds. Yes, even though the TV is unplugged. This drains the capacitors completely.

You might see the standby light flicker briefly during this step. That is normal.

Leave the TV unplugged for at least five minutes. Ten minutes is better. This gives every capacitor time to fully discharge.

Plug the TV back into the wall outlet directly, not through a power strip. Press the physical power button on the TV and see if it turns on.

If the TV boots up normally after this sequence, you have successfully cleared a software hang or capacitor issue. If the TV still does not turn on, the problem is hardware related and this fix will not help.

A common mistake is skipping the 30-second button hold step. Without it, the capacitors keep enough charge to preserve the glitch. Hold that button.

It matters.

Remote Problems That Look Like TV Problems

More Onn TVs get returned for remote issues than for actual TV failures. It sounds ridiculous, but it's true. The TV is working fine.

The remote just stopped talking to it.

Dead batteries are the number one cause. Replace them with fresh ones, even if the old ones look fine. Don't bother testing them with a multimeter. Just swap them out.

IR sensor blockage is the number two cause. Onn TV remotes use infrared light, which cannot pass through solid objects. Make sure nothing is sitting in front of the bottom center of the TV. No soundbars, no figurines, no stacks of DVDs.

Clear the area and try again.

The remote may be paired to a different device. If you have multiple Onn or Roku devices in the same room, the remote might have paired with a different TV or streaming stick. Remove the batteries, press and hold the power button for five seconds, then reinsert the batteries. This unpairs the remote.

Point it at your TV and press any button to re-pair.

Use the Roku mobile app as a backup. If your Onn TV is a Roku model, download the Roku mobile app on your phone. Connect to the same Wi-Fi network as your TV. The app can control the TV directly, including power, volume, and navigation.

This works even if your physical remote is dead or lost.

When Nothing Works – The Pinhole Reset and Other Last-Ditch Fixes

If you've tried everything and your Onn TV still won't turn on, there are two more things to try before giving up. Both involve forcing the TV to reset itself at a hardware level.

The pinhole reset. On the back or side panel of most Onn TVs, you'll find a small recessed button inside a tiny hole. This is the factory reset button. You'll need a paperclip or a SIM eject tool to press it.

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With the TV plugged in, straighten a paperclip and insert it gently into the pinhole. Press and hold the button inside for about 10 to 15 seconds. The TV should restart.

If it doesn't, try the same procedure with the TV unplugged, then plug it back in while holding the button.

This reset clears all software errors and restores the TV to factory settings. You will lose any custom picture settings and saved Wi-Fi networks, but it can revive a TV that seems completely dead.

The overnight unplug. If the pinhole reset doesn't work, unplug the TV from the wall and leave it unplugged for at least 12 hours. Overnight is best. This gives every internal capacitor ample time to discharge completely.

Some capacitors take hours to drain, especially in humid conditions. A full drain can clear stubborn power supply issues that a five-minute unplug cannot.

Plug the TV back in the next morning and try the physical power button. If it turns on, great. If not, the hardware has failed.

The Honest Truth About Repairing vs. Replacing an Onn TV

Here's the hard truth. Onn TVs are designed to be disposable. They use budget components with shorter lifespans, and the cost of repair often exceeds the cost of replacement.

Let's look at the numbers. A 32-inch Onn TV costs about $80 to $100 new. A 43-inch model runs $150 to $200.

The power supply board for a repair costs $30 to $50. The backlight LED strips cost $50 to $100. And that's just the parts.

If you pay a repair shop, labor adds another $50 to $100 minimum.

Repair is worth it only if:

• Your TV is a 55-inch or larger model that cost $300 or more
• The fix is something you can do yourself in under 30 minutes
• The problem is a loose cable or a dead remote

Replacement is the better choice if:

• The TV is 43 inches or smaller
• The repair requires opening the back panel
• You would have to pay someone else to fix it
• The TV is more than three years old

Check your warranty status before you do anything. Onn TVs come with a one-year limited warranty from the manufacturer. If your TV is less than a year old, contact Walmart customer service for a replacement.

Do not open the TV yourself. Opening the case voids the warranty.

For TVs older than one year, your best bet is usually a new TV. But check your credit card benefits first. Some cards extend the manufacturer's warranty by an additional year if you purchased the TV with that card.

It's worth a phone call.

Frequently Asked Questions

Why is my Onn TV blinking red and not turning on?

A blinking red light means the TV detected a hardware problem and is in protection mode. This usually indicates a short circuit on the power supply board or a component failure. Unplug the TV for 30 minutes to let it cool down, then try again.

If the blinking persists, the power supply board likely needs replacement.

How do I factory reset my Onn TV if the screen is black?

Use the pinhole reset button on the back or side panel. Insert a paperclip into the small hole and press the button inside for 10 to 15 seconds. The TV should restart.

If the screen stays black after the reset, the display panel or backlight has failed and the TV needs replacement.

Can I use a universal remote with my Onn TV?

Yes. Most universal remotes work with Onn TVs because they use standard IR codes. Program the remote using the code for Roku TV or generic Onn TV.

Check your universal remote's manual for the specific pairing instructions. The Roku mobile app also works as a backup remote.

Why does my Onn TV turn off by itself?

Auto power-off is usually a power saving feature. Check the TV's settings under System and then Power. Look for an auto power-off or sleep timer setting and disable it.

If the TV shuts off randomly even with that setting off, the power supply board may be failing.

How long should I leave my Onn TV unplugged to reset it?

At least 60 seconds for a basic reset. For a deep reset that fully drains the capacitors, leave it unplugged for 10 minutes or longer. If you have a stubborn power issue, unplugging overnight gives the best chance of clearing it.

Is it worth replacing the power supply board in an Onn TV?

Only for larger models. If your TV is 55 inches or more and cost over $300, replacing the power supply board for $30 to $50 makes sense. For smaller TVs that cost under $200 new, a replacement TV is cheaper and easier than buying parts and opening the case.