Why Does My Laptop Fan Keep Running?

(Last Updated On: January 16, 2023)

If you find yourself asking this question more and more, it might be time to take a look at your laptop’s fan. 

Many people don’t realize that their laptop fan is actually one of the most important components on their machine, and if it starts to malfunction, it can lead to some rather annoying problems. 

In this blog post, we will explore the different types of fans found on laptops and discuss the various reasons why they might start to run. We will also provide some solutions for fixing them if they do start to malfunction.

Woman is upset with her laptop fan

Reasons Your Laptop Fan Is Running Constantly

If you’re noticing your laptop fan running constantly, there could be several reasons why. Here are a few:

  • If your laptop has a heatsink and fan, it can help to dissipate heat from the processor. Over time, if the heat sink and fan aren’t working as efficiently as they should, the processor will overheat and cause the fan to run continuously. To test if your laptop’s fan is running constantly, try closing all of the other open programs and see if the fan slows down. If it does, chances are your heatsink and fan are not working properly and need to be replaced.
  • If you have a battery that’s not being used as much as it should, it might run down faster than usual and cause your laptop’s fan to run constantly in an attempt to keep things cool. To conserve battery life, make sure you’re using your laptop for what it was designed for – not for things like video editing or playing games – and close unused programs when you’re not using them.
  • Another reason a laptop’s fan might be running constantly is because of dust or debris that has accumulated on the inside of the computer unit where the fan is located. If this material is blocking airflow, the computer will attempt to blow air through its vents continually in order to keep things cool – even when there isn’t an active task or application going on. To clean out this debris buildup – which can also include bits of skin or

The Processor Is Working Hard.

  • It could be because of a few different things. The processor could be working hard, the battery could need to be charged, or there might be an issue with the cooling system.
  • To check if the processor is working hard, open up “CPU-Z” and look at the “Processor Name and Level” column. If it says something like “Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz,” then the processor is probably doing its job and isn’t causing the fan to run constantly.
  • If the problem is with the battery, you can try charging it up using a power adapter or a power bank. If that doesn’t work, you might have to take your laptop to a repair shop to get it fixed.
  • If the problem is with the cooling system, there might be dust or debris building up on the fans or inside of the computer case which is causing them to spin faster than they should. You can try blowing out all of the dust and debris using a vacuum cleaner or an air compressor before replacing any parts of the cooling system if that doesn’t work.

The Ambient Temperature Is High

The ambient temperature is high, and that means the laptop’s cooling system must work harder to keep the computer running at a comfortable temperature. 

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The fan runs constantly to help cool the CPU and other parts of the laptop. If you’re experiencing problems with your laptop fan, there are a few things you can do to try and fix them. 

  • First, check to see if your laptop has an airtight seal around its case. If there’s a lot of dust or other particles collecting on the fan assembly or around the vents, it can cause the fan to work harder than necessary. 
  • Second, make sure your computer is installed in a well-ventilated area. Open up all of your laptop’s case fans and windows as much as possible to allow more air into the system. 
  • Finally, if you’re experiencing problems with your laptop battery life, try cleaning it off with a cotton ball and alcohol.

The Vents Are Blocked

One of the most common causes of a laptop fan running constantly is when the vents are blocked. When the fan can’t expel air properly, it will keep running. 

Blocked vents can be caused by a number of things, including crumbs, dust, and hair. To fix this problem, you’ll need to remove any obstruction and clean the area around the vent.

Laptop Cooling Pad
ColorBLACK (switch)
Item Weight1.3 Pounds
Item Dimensions LxWxH14.76 x 10.43 x 1.38 inches

The Fan Is Defective

If your laptop fan is running constantly or not at all, there may be a problem with it. This guide will teach you how to troubleshoot and fix common laptop fan problems.

If the laptop fan runs continuously even when the computer is off or in sleep mode, it may be because of a defective fan. To check if this is the case, first, turn on the computer and ensure that the fan is working properly. If it’s not, follow these steps to fix the issue:

  • Try replacing the defective fan with a new one. If replacing the fan does not solve the problem, try cleaning out any debris buildup inside the fan housing with a can of compressed air or a vacuum cleaner. Make sure to remove any insulation from around the motor shaft before doing so.
  • Disable power-saving features in Windows by going to “Control Panel” > “System and Security” > “Power Options.” From here, make sure that “The computer turns off automatically when its power cord is unplugged” is unchecked under “Sleep.” If this setting isn’t enabled, turning off power to the device while it’s still plugged into an outlet may cause it to turn on again after some time has passed.

The Laptop Is Overheating

If your laptop is overheating, there are a few things you can check to see if it’s the problem. First, make sure that the laptop has enough ventilation. 

This means opening up all of the vents on the back and side of the laptop and making sure that there’s adequate airflow. If you’re using a laptop on your lap, try putting it on a pillow so that it doesn’t contact your thighs directly.

Second, make sure that your laptop is properly plugged into an outlet. If you’re using an adapter, make sure it’s fully plugged in. 

If you’re using a regular plug, make sure that the cord isn’t excessively long or squeezed in between the wall and your laptop. And finally, make sure that your computer is set up correctly – for example, by checking to see if your BIOS is set to “maximum performance.”

3 Ways To Troubleshoot The Issue Without Taking Your Computer To A Specialist

There are a few different ways to troubleshoot problems with your laptop’s fan, but some things you can do on your own without taking it to a specialist. 

If your laptop is just starting to make noise or if the fan is constantly running, there are a few things you can try. 

First, check to see if there is debris blocking the fan from spinning. If so, use a vacuum cleaner to clear it away. 

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Next, try opening the laptop up and seeing if there is anything obstructing the fan blades from moving. 

Finally, if none of these solutions works, you may need to take your laptop in for repair or replacement.

1. Restart Your Computer

If you’re having trouble getting your laptop to start up, there are a few things you can try. First, make sure the battery is fully charged and that the AC adapter is plugged in. 

Next, try restarting your computer. This sometimes clears up problems with startups. If all else fails, take your laptop to a nearby shop or tech support for help.

2. Update Your Software

There are a few potential reasons why your laptop fan might be running constantly, but the most likely culprit is an outdated or incompatible software program. To keep your computer running at its best, it’s important to update your software regularly. Here are a few of the most common programs that need updating:

  • Browser Plugins: Many popular browsers have plug-ins that can drain your battery and affect your fan speed. It’s important to check for updates for all of your browser plugins, especially if you’re using a newer version of a browser.
  • Windows Updates: Windows updates are critical for keeping your computer protected from malware and other security threats. Without regular updates, you could end up with problems like unexpected crashes or data loss.
  • Programs That Use Your Processor Too Much: Some programs use your processor more than they should, and this can cause the fan to run constantly. If you’re not sure which program is causing this problem, try disabling the program temporarily and seeing if the fan slows down significantly.

If you think your laptop fan is going too fast because of an outdated or incompatible software program, it’s important to update it as soon as possible. By doing so, you’ll protect yourself from potential problems and keep your computer running at its best

3. Run A Virus Scan

If your laptop is running hot and the fan is constantly running, there may be a virus or malware infection. A virus will cause your laptop to overheat and the fan to run continuously. 

Malware will install spyware, adware, and other malicious programs that can steal your information or hijack your computer. To prevent viruses and malware from infecting your computer, it is important to run a virus scan every month.

How To Prevent Your Laptop’s Fan From Overworking In The Future?

If you’re noticing that your laptop’s fan is running constantly, it may be due to overheating. 

Overheating can happen if the laptop’s cooling system isn’t able to keep up with the demand placed on it. Here are a few tips to help prevent your laptop’s fan from overworking in the future:

  • Keep your laptop clean – One of the ways that heat can build up on a computer is through dust and debris. If you don’t regularly clean your computer, this dust and debris will act as natural insulation for the CPU and GPU, which will only make the problem worse. Make sure to open your laptop up every once in a while and take out all of the dust and crumbs – you’ll be surprised at how much of it accumulates over time.
  • Use caution when gaming – Playing games can cause your CPU and GPU to work harder than they would otherwise, which can lead to overheating. Be mindful of how long you’re playing for and avoid letting yourself get too carried away if you’re not sure whether or not you should be playing that game for that long.
  • Keep an eye on your CPU temperature – Another way to check if your laptop is overheating is by monitoring its CPU temperature. If it reaches a certain threshold (usually around 95 degrees Fahrenheit), you may want to consider shutting down or taking a break so that the computer doesn’t overheat completely.