how to fix a tv after a power surge

Perhaps you’re looking for a full-on guide on how to fix a TV after a power surge, but you can’t find the right guide.

You’re lucky, because today, that’s what we’ll be helping you with! In this guide, we’ll enumerate a few things that could happen to your television if you experience a power surge.

Furthermore, we’ll be putting a permanent solution to that, too!

If your television fails to boot up after a power surge, perform a complete power drain on the TV and reset it! Then, try to check the board and other inner components of the television and assess if they’ve been busted.

Before we dive deep into how you can fix a TV after a power surge, could it really damage your electronic devices? Could this occurrence really restrict your TV from working?

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Can a Power Surge Damage Your TV?

Out of the myriad of things that can happen to your television, a power surge could be one of the worst.

In the simplest terms, a power surge is an unexpected increase in voltage. Therefore, the voltage can be so high that the television isn’t able to handle it any longer.

That can result in the inability of your TV to power on.

Top Reasons that Causes TV Power Surges

fix a tv after a power surge

For you to have a full understanding of how you can resolve it, let us first try to determine what causes power surges.

Some of the most common causes of power surges include, but are not limited to:

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1. Lighting Strikes

Lighting is energy and when it hits power lines, it can add up to what the power lines are sending.

Therefore, it’s one of the few reasons that could make a power surge a reality.

2. Electrical Circuits or Outlet Overloads

All appliances and electronic devices have their limits. Just like them, wall circuits or electrical outlets are no different.

When there’s too much electricity being passed on and surged, there’s a big chance that it can cut the power off or worse – damage and break your devices.

3. High-Powered Electrical Devices

Did you know that appliances and electrical devices that require high energy are notorious for power surge causes?

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Huge chunks and amounts of powder are drawn from these, and therefore, they can spark up and initiate the power surge that you did not expect.

4. Concurrent Power Outages

A power outage is one way of power companies telling people that they’re currently doing something. It can be a repair, an improvement, or a change in the system.

Little did we know, power outages are also a cause of a power surge. This happens because when the power turns back on, the amount of electricity distributed could be different – it could be higher.

5. Exposed or Damaged Wiring

It’s common to note that exposed wires and cables are a cause of concern. That being said, the electricity that’s transported could be unbound all throughout your entire living space.

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So, if you are trying to find the exact guide on how to fix your TV after a lighting strike power surge, this is how you can do it!

Steps on How to Fix a TV After a Power Surge

One of the signs that your television needs fixing after experiencing a power surge is that it’s not turning on.

So, is there something you can do to resolve it? Here’s the process of how you can fix your television if it’s not powering on succeeding a power surge.

Step #1: Test the Wall Outlet

The first and the most basic step that you want to do is to test the wall outlet where the TV is connected.

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You can try plugging in your phone charger to see if it would charge.

Step #2: Drain Power From the TV

After that, you would want to drain power from the television by unplugging it for about five minutes.

Keep it unplugged in order for the electricity to stop circulating within it.

Step #3: Remove All Attachments on the TV

Then, disconnect all cables and wires connected to the TV. This would include:

  • HDMI cables attached and connected to it
  • Speakers and subwoofers
  • Streaming devices

Note: You need to get rid of and remove everything connected to it.

Step #4: Factory Reset the TV

Different television brands would have different methods of factory resetting. In your part, you have to know how to reset it.

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Most televisions would have a Reset button anywhere at the back of the TV. Alternatively, you can try to go into your TV’s settings to initiate the reset.

Step #5: Check the TV’s Power Supply With a Multimeter

Since we’re talking about “power,” it would be worthy to take a look at the television’s power supply, too.

Don’t worry, oftentimes, your television would still be repairable even after it’s hit by a power surge. You just need to do the right things to make it work.

You’ll often find your television’s power supply at the middle part of the board at the back. It’s a component that has a lot of transformers with capacitors and integrated circuits.

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Here’s the process on how you can do that:

  1. Avoid overloaded wall outlets when doing this.
  2. Plug in and connect the TV to power.
  3. Set your multimeter to DC.
  4. Depending on every pin’s voltage, check the multimeter if it gives the same value.
  5. Locate the pin that is either not giving any value or is short of what’s indicated.

You’ll be able to find and purchase whatever part it is you need from your local electronics shop.

Step #6: Replace the Power Board

The power board is among the components of a TV that gives it life. And if you’ve experienced a power surge, it could actually be where the damage is.

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Similar to capacitors and ICs, you’ll find power boards easy to get, especially if you’re near a service center.

NOTE: Unless you’re knowledgeable and experienced in this field, it’s recommended that you contact a local electrician or expert about it.

The Television is Still Not Working, What Should I Do?

If you’re able to carefully follow these steps and your television still refuses to turn on, the next best thing to do is to check the TV’s interior.

Check the Main Video Board

You could check if the main video board is busted, or if the power supply boards aren’t properly functioning.

To fix it, you would have to take a look at the insides of the TV. Unless you’re confident and knowledgeable with it, you can open it up and check. On the flip side, it would be better to contact a professional or a technician to do it for you.

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Test the Power Cord

There are instances where the power cord is the component that gets damaged during a power surge. You might not see it, but the wires inside it could be ruptured.

So, try using a different power cord to see if it will work.

NOTE: Plug it only on an outlet that’s safe.

Contact a Local Technician

If you’ve done the 6-step process and you’re still not getting anything from your TV, the next best thing to do is to contact a local electrician or TV expert to help you.

They don’t have to be from your TV’s manufacturer. So long as they know what they’re doing, you’ll be able to get what you’re looking for.

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If you’re trying to fix a TV after a power surge, test the wall outlet first, drain power from the television, and then perform a hard reset. For the interiors and all the TV’s inner workings, it’s always advisable to contact a technician for assistance.

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Conclusion

Before jumping to the conclusion that you need a new TV, perform the steps in this guide first! Other guides that’ll teach you how to fix a TV after a power surge would give you temporary Band-Aid solutions, this guide won’t!

You don’t even need to be an expert to accomplish this smoothly!

Nicole B
Latest posts by Nicole B (see all)
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