17 Easy Ways to Prevent Computers From Overheating – Ultimate Guide For 2021

Many people don’t realize that a computer can actually overheat, and the consequences of doing so are both dramatic and potentially physically dangerous. In this post, we’ll cover how to recognize when your PC needs help with cooling, as well as what you can do to prevent overheating from happening in the first place.

When your computer’s fan starts making noise, the cooling system of your computer is one of the most important features of the device. Computers require a cooling system in order to work properly. If the heat inside the computer gets too high, the electric components will not work, and the whole computer will shut down. Heat dissipation is the process of taking away excess heat from a system or device. It is one of the first things that people think about when it comes to keeping things cool.

Heat dissipation is a very important part of the computer’s life – the more heat a computer generates, the more it will need to move away from itself. However, it is not a simple task – a cool PC is a strong PC, and moving heat from the PC’s components to their outside environment is very difficult.

In order to do this, you have fans on your computer. Fans are located under the chassis of the body and inside some of your components. Fans are responsible for moving air around your PC as well as cooling your components just by being located near them. The more air movement you have going on within your computer, the faster it can dissipate heat.


1. Clean your Computer

One of the most common causes of overheating is dust build-up on your computer’s components. Simply cleaning the dust off of the inside of your case will help keep dust that would otherwise accumulate on your fans and components, where it can do more damage.

2. Clean out the Case Fans


Case fans are responsible for moving cool air into or out of your case, depending on how you have it configured. Case fan maintenance is a little bit more difficult than internal component maintenance because they’re harder to access and there’s a greater risk that you could break something if you aren’t careful. However, removing enough dust from around the fan blades will help improve both airflow and cooling efficiency.

3. Add Additional Fans


One of the most effective ways to improve your computer’s cooling capabilities is to add additional fans to the case. This will not only help keep cool air circulating around the inside of your case, but it will also help keep everything cooler by increasing the total airflow within your PC.

4. Add an Extra Power Supply Fan


When building a computer, it’s often possible to cut corners with regard to your power supply; many users find that 500 watts is enough even for overclocking, and the vast majority of power supplies are more than powerful enough for most users’ needs. However, regardless of how powerful your power supply is, it will still generate heat. Adding an extra fan to the inside of your power supply should help keep it cool.

5. Install Fans on Your Case Fans


As long as you’re using fans, it’s not a bad idea to install them on the fans you already have. This will help push air through your case without requiring any additional airflow.

6. Use Cable Sleeves to Prevent Heat Build-Up


One of the easiest ways to improve your PC’s cooling capabilities is by using cable sleeves instead of normal cables when connecting your components together. While this won’t increase the cooling capacity of your components, if you’re upgrading your power supply or adding extra fans you may find it worthwhile.

7. Use Proper Thermal Compound on Your CPU


It’s not only the case fans that perform the cooling task for your system; your CPU can also play a key role in keeping everything cool. When handling heat dissipation, heat sinks are more effective than fans. Heat sinking is the process by which a component is placed in contact with another surface that will transfer thermal energy to it without allowing it to become hot.

One of the most popular methods for heat sinking a CPU is to use thermal compound. Thermal compound is a popular name for material designed to transfer thermal energy between two surfaces in order to compensate for temperature difference and improve heat dissipation. Thermal compounds usually come in small syringes and metal tubes and can be applied either manually or with special devices. Then, the compound must be allowed time to settle and spread, during which time the temperature rises slightly, which causes the heat sink’s surface to oxidize, making it less smooth and introducing microscopic pores into its surface.

8. Use Heatsinks

Since the primary goal of heasinks is to lower temperature by increasing surface area , they are often used in conjunction with thermal compounds. They force more air over the processor and thus, increase the cooling capacity. However, using heatsinks is difficult because they require attaching metal fans to your system’s motherboard, which is both time-consuming and ensures that you’ll need to upgrade your motherboard if you decide you want to change your processor at any point in the future.

9. Use a Larger Case


In some cases, improving airflow within a computer case can be as simple as choosing a larger case. A larger case will have better airflow and therefore, will have a greater cooling capacity.

10. Underclock Your Computer


Overclocking is the process of increasing the speed of a computer component by varying the voltage applied, and underclocking is basically the opposite but gives you less speed. By overclocking, you can get a significant cooling capacity increase even while generating more heat. The more power you use, the more it heats up your PC system and components, which means that overclocking your components is not only effective but efficient as well. You’ll want to make sure that you don’t overheat your processor, but if done right you’ll get great cooling results from overclocking your computer hardware components.

11. Clean your power supply fan


When adding extra fans to the inside of your computer case, you may find that they just aren’t enough to keep your PC cool. An easy way to improve cooling capacity and airflow within a PC is by cleaning the fans and heat sinks on your power supply unit. This is easily accomplished by simply blowing air through the fan with a compressed air duster. This will remove dust and other debris from the blades of your power supply fan, improving its cooling efficiency and reducing dust build-up within your computer case as well as inside of components such as graphics cards and processors.

12. Keep Your Computer’s Case Breathing


While adding fans and heatsinks to your computer can help improve cooling capacity, maintaining a clean environment within the case is probably the most important thing you can do to increase your PC’s cooling capacity. This is because dust and other debris can accumulate on various components inside your computer, leading to sluggish performance and overheating; if this happens often enough it may even damage your hardware components. If you want to improve cooling efficiency within your computer, make sure that you dust out the inside of your computer case regularly, preferably just after each use.

13. Replace Heat Resistant Rubber Stoppers on Your Components


As more and more people are finding out, heat-resistant rubber stoppers are a great way to keep your computer components cool. However, most users don’t realize that these rubber stoppers are easily dislodged by the vibrations of the components during use. Over time they can even come off completely, leading to potential damage to sensitive components. If you want to avoid any problems, you should check for missing or damaged heat-resistant stoppers on your computer hardware at least once a month or more if necessary. If you find any missing stoppers, simply replace them with new ones, and if they’re damaged just replace them entirely.

14. Upgrade Your Power Supply


While it is possible to upgrade your power supply with larger fans and heatsinks, an even better solution is to simply use a more powerful one. If you’re looking to boost the cooling capacity of your case, checking out your power supply’s wattage is one of the most important things you can do. If you have a power supply that puts out less wattage than what your components need, you will have a hard time keeping them cool.

15. Install a Water Cooling System


Computer users often spend hundreds or even thousands of dollars on their machine and care about every detail from processors to high-end graphics cards. When it comes to cooling a powerful computer, a water cooling system is one of the best ways to do so. Water cooling systems are simply water-based solutions that help cool your system by circulating the liquid throughout the case. This allows your components to stay cool while efficiently removing heat from them.

16. Use Thermal Paste


If you want to improve the efficiency of your computer’s cooling, thermal paste is an effective way to do so. This type of material is used in conjunction with various electronic components in order to reduce heat dissipation and improve thermal performance within the system. Thermal paste applied in this manner can help cool processors, graphics cards, memory modules and even fans in some cases. It is most effective when applied in specific areas such as between the CPU and heat sink.

17. Add Water Cooling


As stated above, water cooling systems are highly effective at removing heat from your computer’s components and effectively reducing the amount of heat they produce. A great way to do this is by adding a water pump to your water cooling system. A pump can help circulate the water throughout your case in order to improve its effectiveness and is essentially the same thing as increasing the volume of air in your heatsinks and fans. If you want to make your cooling system even better, adding a water pump is one of the first things that you should do.

By following the above tips, you’ll be able to improve your PC’s cooling capacity in no time. Of course, this is just a small list of steps that can help you do so. If you have any questions about improving the performance of your computer or anything else related to overclocking, feel free to leave a question in the comments below!

Because I have been into PC Customization for more than 6 years now I’ve had my fair share of experience when it comes to working on PCs. I was always curious about how they cooled but never had any clue on what really went on behind my back until I learned about Computers On Fire. So let’s see what my knowledge base regarding PC Cooling is.

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