Can CPU Overheating Cause Lag [Read to Find Out 2023]

CPU Overheating

Imagine that your computer’s CPU Overheating while you are simultaneously streaming your games, working on a 3D character, or processing a movie on your system.

Should that be the case, you should prepare yourself for a large amount of unhappiness.

Is it not disheartening when you invest your money to develop your computer, but you cannot improve your productivity level?

Don’t worry.

When I render my film or broadcast gaming on my laptop, I often find myself in situations similar to these simultaneously.  In this slight article, I will offer some simple methods that you may use to lower the temperature of your central processing unit (CPU) and keep it in an optimal range.

Be sure to check out our many other buying guides, including the Best CPU for RTX 2080, Best CPUs for Gaming, Best AM4 CPU, Ryzen CPU with integrated graphics, Best CPU with Integrated Graphics, Best CPU Under $100, best CPU under 200, Best CPU under $300 and Best CPUs Under $400.

Continue reading until you discover why an overheated CPU creates latency and how you may cure it.

Is It Possible That An Overheated CPU Causes Lag?

The answer is “yes,” latency is caused by the CPU being too hot. At the same time, they create movies, play video games, create 3D graphics, and carry out various other time-consuming tasks.

Your CPU and GPU must operate at their highest clock speeds for this to happen. Due to frame missing and lag, there will be a delay in the transfer of structures between the CPU and the GPU as the temperature increases.

In a hurry? Check out my new post on How hot is too hot for CPU

The CPU Overheating is often caused by a combination of variables, which might decrease your overall productivity. If you are life streaming your gameplay and suddenly your computer shuts down, the root of the problem is likely an overheated CPU.

The following is a list of some of the most prevalent reasons why an overheated CPU produces lag:

  • There are now far too many processes and apps operating in parallel.
  • There are too many tabs open in the browser.
  • Poor movement of the air.
  • Vents for the air are blocked.
  • You have an outdated version of your operating system.
  • So much dust has accumulated on your computer’s fans and filters.
  • There are so many pieces of malicious software and viruses.
  • CPU that has been overclocked.
  • Your fan has some dust on it.

Don’t be concerned even though the circumstance is annoying. To solve this problem once and for all, read this article through to the conclusion.

Also, check out our separate post on Can I Upgrade CPU Without Changing Motherboard

How to Check the Status of Your CPU Having Overheated?

You are unaware of the temperature of your CPU until a lag-causing overheated condition occurs. In this scenario, you need to be aware of the current temperature of your CPU, as this information will assist you in managing your system most effectively. The temperature of your central processing unit (CPU) has to be raised if you want to see improvements in its abilities and performance.

Go through our epic guide on how to update CPU Drivers

Symptoms of an overheated CPU

The following are typical symptoms that might occur when your central processing unit (CPU) runs overheated.

CPU limiting and control:

When you utilize an application or play a game, you can suddenly notice a slowdown or lag in performance.

The dreadful blue death screen (BSOD)

Windows 11/10 is unstable, breaking, and needs to be forced to close.

Randomly repeated restart

There was no warning, and the computer restarted on its own.

CPU Coolers

(If it’s an air conditioning system), are operating at total capacity and producing a great deal of noise

Follow our guide to fixing CPU fan error on boot

To determine whether your CPU is overheated, follow these steps:

  • Proceed to the start menu in Windows.
  • When you search for “System information,” a pop-up window will open with in-depth descriptions of the necessary hardware information.

This website is going to be your greatest friend if you want to know the temperature of your CPU when you are playing games on your computer.

How to check CPU temperature?

Checking the heat of your central processing unit can be done in a few different ways. You may check the temperature of your CPU by going into the BIOS or utilizing a third-party hardware temperature monitor utility. Both of these options are available to you. You are using a program known as Core Temp, which is most highly suggested for an accurate check on the temperature of your central processing unit (CPU).

Follow our guide to How to Choose a CPU

How to CPU Overheating fix?

If you want your system to remain calm and your CPU to perform at its peak, you must take simple measures like cleaning your computer, switching to a fresh heat exchanger .And also  quitting apps that aren’t being used, and doing several other tasks.

Here are five ways to keep your computer’s central processing unit (CPU) from overheating.

Don’t overclock

Overclocking is another cause of CPU overheating besides the cooling system or hardware. When a computer component, such as the central processing unit (CPU), is forced to operate at higher speeds than designed, this is known as “overclocking.”

To overclock a CPU, you must boost its voltage. Increasing voltage warms the CPU. CPU overheats if the cooling system can’t handle the heat.

If you overclocked your CPU, turn it down or deactivate it to see if the overheating problem goes away. If you wish to overclock your CPU, upgrade its cooling system.

Check out our separate post on Base Clock vs Boost Clock

Whether you don’t know if you’re running any overclock settings and your CPU overheats during startup or a game, check your computer for any overclock-related applications running in the background. Overclocking software includes AMD Ryzen Master, NVIDIA Inspector, and EVGA Precision.

If these programs run on Windows 11/10, delete any overclock settings, deactivate the overclock, or return the CPU clock speed to its default. Since CPU overclocking is usually performed through BIOS, check your computer’s BIOS settings to determine if any are applied. Disable BIOS overclocking or reset CPU clock speed to default.

Do check our latest post on the Does CPU Affect FPS

Computer cleaning

Over time, dust will accumulate in your computer’s chassis. Sometimes, your case and all of its fans may collect so much dust that it may impair the airflow and cause heat to build up. As it impedes airflow, dust is the most prevalent cause of computer overheating concerns.

Clean the dust accumulated around the CPU fan, heat sink, and other components of the computer case to decrease the heat trap and improve heat dispersion and ventilation.

Check out our expert-recommended CPU or GPU

To avoid future CPU overheating, you should frequently clean your computer case and its fans once every few months, depending on the environment in which you keep your computer case.

Make sure the fan in the CPU is functioning

Every single one of a computer’s fans has a finite lifespan.  In most cases, the first indication that a fan is beginning to fail is the possibility that it will start making an odd noise. As a fan begins to wear down, its angular velocity gradually decreases until it is no longer efficient in removing heat from the environment.

Check the plug-in central processing unit (CPU) fan and plug in any other fans in the computer case to ensure they are functioning at their highest possible efficiency. To maintain the fan’s efficiency, ensure it is routinely cleaned off the accumulated dust.

Suppose you use a liquid cooling system to cool down your central processing unit (CPU). In that case, you must inspect the pump to ensure it is operating correctly and effectively.

Go through our epic guide on Should I Overclock My CPU

Check processor thermal paste

The central processing unit (CPU) and the heat sink are separated by a thermal paste layer, a thermally conductive chemical material. It is designed to close any air gaps or holes between the heat sink and the processor, allowing for the most effective transmission of heat between the two components.

The temperature of the CPU is susceptible to being greatly influenced by thermal paste.  There is also a possibility that thermal paste quality may decline with time. Effectiveness will gradually decrease as time goes by. However, the longevity of the thermal paste’s energy is highly dependent on the quality of the paste itself.

Follow our guide to fixing How to Fix CPU Cooler Not Screwing In

Check computer case airflow

Most computer cases are constructed with numerous fans in specific locations to provide adequate airflow to dissipate heat generated by the computer’s components (e.g., CPU and GPU). Ensure that all these fans are operating correctly and do not contain excessive dust.

Also, ensure that the computer casing has sufficient space for airflow. Too many hardware components, such as an excessive number of internal hard disk drives, may obstruct airflow and trap heat in the case, causing the temperature of all hardware components (such as the CPU) to rise.

Additionally, ensure sufficient room around the computer casing so that cool air can readily enter and heated air can quickly escape.

Go through our epic guide on How to Remove Thermal Paste

On the other hand, if your CPU overheating and you use the default settings for the motherboard’s BIOS, you can rectify the problem.

The default settings for your motherboard’s BIOS are the most incredible option for you to take control of your graphics card and improve the graphics-related functionality of your system when you are playing games.

The following are some of the most straightforward procedures for correcting an overheated CPU:

  • Enter your BIOS settings by pressing the Delete or Esc key on your keyboard. The Easy Mode will, after that, be available.
  • Enter your fan control center.
  • Use the smartFans button.
  • Position the Control knob for the CPU fan speed to the Manual position.
  • To make changes to the curve, move each node individually.
  • Press the Escape key, then click Save, and then Exit.

Follow our guide to fixing Which is the Best Time to Buy a Monitor?

Frequently Asked Questions

Is it possible for an overheated CPU to cause harm to your motherboard?

Yes, it is possible. The improper copper connections have caused harm to the electronic components. It also has the potential to harm your computer or shorten its lifespan.

Does an Overheated CPU Affect the Frames Per Second?

Yes, it does. The CPU and graphics processing unit (GPU) must operate at their optimum clock rate for the game to work correctly. Because of the processor’s lower frequency, it cannot provide frames to the graphics card at the same pace. Most games are tuned for a high clock speed rather than a high core count to affect the frame rate.

Does the CPU make a difference in FPS?

It can have a minimal impact. There will be a slight adjustment made to the gameplay if the CPU meets or exceeds the minimum requirements for the game.

Why has my computer started to slow down all of a sudden?

A slower computer is often the result of an excessive number of apps running in the background simultaneously. It consumes processing power and slows down the performance of the personal computer. Your computer could run slowly for several reasons, including but not limited to an infection with a virus or malware, a problem with the hardware, excessive use of memory, etc.

What happens when you play a game, and your central processing unit becomes too hot?

If you wait too long, you risk your computer reaching a point where it will no longer publish. That only denotes the fact that it will not start up anymore. Overheating can cause various other symptoms, including unexpected shutdowns, freezing, crashing to the desktop, random restarts, or throttling of the CPU.

Is it possible for an overheated PS4 to create lag?

To be honest, no. To avoid any potential harm, the PS4 will power down by itself. You should search out some guidelines to change the thermal paste, even if you are aware that the process is not very difficult.

Do check our latest post on the What Is The Best Way To Test a Motherboard?


I have discussed whether or not an CPU Overheating might cause lag in this post. If you read this post, you will discover that it contains valuable information. Suppose your device is becoming dangerously hot and is getting dangerously near to the point where it will begin thermal throttling.

In that case, you have no choice except to turn off the computer and wait until you can buy additional thermal paste and replace the cooler. A cotton cloth should be used to apply isopropyl rubbing alcohol with a concentration of at least 70% to the central processing unit (CPU) and the bottom of the cooler.

Check out our expert-recommended Will a Laptop Hard Drive Work on A Desktop?


Scroll to Top