Motherboard Failure Causes [5 Reasons, Symptoms & Its Solutions]

Are you having unrecognizable problems with your computer? Does it keep freezing? Or slowing down? Is it not recognizing the hardware? Or is your system dead completely? If these are the problems you’re facing, you need to examine your PC’s motherboard since all these are among the symptoms of motherboard failure.

The motherboard also referred to as the mainboard, is the most crucial component of your computer. Also called the heart and soul of a computer, the motherboard is responsible for connecting and integrating all the components of your computer.

Thus, your computer’s performance predominantly depends on its motherboard. For your computer to keep functioning properly, the motherboard needs to remain intact. Fortunately, you can recognize the factors that can be motherboard failure causes.

Some of them are so common that they might seem insignificant, but they eventually lead to the motherboard’s damage. The potential motherboard failure causes are elaborated below, along with the measures you can take to prevent them.

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Causes Of Motherboard Failure

1. Overheating

Overheating is the most common issue which results in the failure of the motherboard. The PC components have to remain cool for it to function well. So, the discharge of heat and ventilation is critical to avoid this issue.

There are multiple reasons behind overheating of the motherboard. The most common one is running multiple operations on the computer like gaming, watching videos, downloading/uploading, or running multiple applications at the same time. Try to give your computer some rest while multi-tasking on it.

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The blockage in fans that cool down the computer components also causes the motherboard to overheat. The environment you use your computer in also affects the motherboard’s temperature and the computer’s ability to self-cool. Warmer rooms with poor ventilation or with direct sunlight are unhealthy environments for your computer, especially during summers.

The vents in your computer that allow the air to flow in and out to keep it cool can be blocked due to dust or some other reason. This blockage of air passage can result in overheating of the motherboard.

The computers have their own interior cooling system, which is responsible for the air circulation inside. Some fans are directed towards specific heat-generating components like the motherboard. This cooling system may malfunction or can be insufficient. In which case you need to fix or replace that.

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How Can We Prevent It From Heating Up?
You can prevent overheating of the motherboard by cleaning the vents and fans every once in a while, by giving a break to your computer after heavy and frequent use. Also, try to avoid using your computer in rooms with higher temperatures. You can also install temperature monitoring tools, software that checks your computer’s temperature and gives you its precise data.

2. Short Circuits

The motherboard is the most important piece of hardware for your computer. It has multiple components that are connected and incorporated for your PC to function properly. These components include RAM, hard drive, expansion slot, CPU sockets, etc.

The motherboard conducts electricity to carry it to its different components. This is done by the integrated capacitors and soldered connections it is filled with. They are responsible for the flow of current across the motherboard.

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So, if a motherboard comes in contact with any metallic entity, it can short circuit. The motherboard is held up from the PC’s metal case through the stand-offs placed under it, which keep it from touching the case. Otherwise, if it comes in contact with the metal case, it can cause a short circuit.

This is the reason you are not supposed to touch the motherboard. Because your body might carry a static discharge that can fry the motherboard, a loosely fitted component can also cause a short circuit in a motherboard.

How Can You Protect It From a Short Circuit?
You can avoid the chances of a short circuit in the motherboard by checking whether it’s installed properly or not. Make sure the motherboard is held up from the PC case to restrict their contact. Ensure that all the components on a motherboard are properly fitted and assembled.

An outer layer of rubber or plastic should cover the internal wires. Make sure that the CPU doesn’t have any loose cables.

3. Electrical Power Surges And Spikes

Power surges and spikes are also motherboard failure symptoms for your PC’s motherboard. Power Surges occur mostly because of the other electrical appliances in your home, which draw more power. When these are turned off, they cause an electric surge; the current adjusts itself by directing to other electronics like your computer.

The power supply unit of your computer is connected to the motherboard. If the power surge is small, the power supply unit and motherboard adapt their voltage to adjust it. But if the power surge is big, it can cause the motherboard to fail.

Fluctuations in voltage can also be caused by wiring problems, problems in your area’s main power supply, or a lightning strike to a power line. The sudden voltage fluctuations can fry the circuits of the motherboard.

Surge Protector
Powering your computer by connecting it to a power source with rapid voltage fluctuations can also damage the motherboard. To protect your motherboard from failing because of the voltage spikes, use a surge protector to minimize the risk.

4. Physical Damage Of Motherboard

Physical damage can also cause motherboard failure. Physical damage can be in the form of a physical impact or a liquid spill. A motherboard is normally well protected, but a strong enough impact on the PC’s case can harm it. The impact of a drop can also fail a motherboard.

A liquid spill is also common physical damage resulting in motherboard failure. A spill of any liquid can kill a motherboard immediately. But the thicker liquids, like milk, do the worst. Accidentally spilling water into the case also results in motherboard failure.

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5. End Of Life Span Of a Motherboard

Life Span is also another motherboard failure sign. With time your motherboard will degrade, and you will have to replace it with a new one. A good quality motherboard can give you 10 to 20 years of performance, although you have to use it properly with good care.

But it is bound to fail with the passage of time due to aging and wear. Certain factors like overheating, power fluctuations can catalyze the aging process of the motherboard. But if these are taken care of, there is no reason it won’t last for a decade or two.

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How To Diagnose A Failing Motherboard?

It is crucial to know what signs to look for if your motherboard is close to failing. Following are the indication of the falling motherboard:

Computer Freezing

You are in the middle of writing an important email, and your PC freezes up or crashes unexpectedly. While several different things could cause this, it could also be your motherboard failing.

Blue Screen Of Death

The infamous “blue screen” on Windows computers indicates something is wrong with your system. If you have checked other areas and still cannot find a cause, it indicates that your motherboard needs to be replaced.

Slowdown In Performance

One of the main signs of a motherboard failure is when your computer starts lagging or freezing. While many things can cause a slowdown in performance, the most common cause is an aging motherboard.

Hardware Not Being Recognized

If you have just assembled your computer, you must install your hardware drivers so that they may be recognized. If they are still not being recognized even after installing the driver, there is a good chance something is wrong with your motherboard.

PC Randomly Restarting

There are many reasons why your PC might be restarting on its own. An operating system error usually causes random restarts. If you have just assembled your computer and the random restart happened immediately after it was turned on for the first time. It means your motherboard is faulty.

Burning Odor

One of the most severe signs of a motherboard issue is its smell. A solid burning odor usually indicates an electrical short somewhere inside the device and that something may have burned up either on the motherboard or elsewhere inside the computer.

Conclusion

Having the necessary knowledge about the motherboard failure causes. It’s the most critical part of your computer and needs proper examination and care for your computer to perform well.

Where most of your computer’s problems could have potentially rooted from its motherboard’s malfunction, you cannot boil down all the problems directly to the motherboard’s failure. It’s best to diagnose it first, to be certain.

However, you do need to keep checking the above-mentioned factors to prevent failure in the motherboard. By identifying the causes, you can prevent them and prolong the life of your PC’s motherboard and ensure the smooth performance of your computer.

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