What to do if My PC Fan Runs Non-Stop?

Lately, I’ve been noticing something odd with my PC as the fan just won’t stop running. Even when I’m not doing anything heavy like gaming or editing videos, it keeps spinning loudly, almost like it’s trying to take off. At first, I thought it was just a temporary thing. Maybe it needed a break or an update. But after a few days, it became clear that something wasn’t right.

The constant noise of the running fan started to get annoying. It was distracting during work and especially during Zoom calls. More importantly, I began to worry: Is my PC overheating? Is there something seriously wrong with the hardware? That’s when I decided I needed to dig deeper and figure this out.

I didn’t want to take my PC to a repair shop right away. So I started looking for answers online, hoping to find a simple fix. I came across dozens of forums, Reddit threads, and tech blogs. Turns out, this is a fairly common issue, and it can be caused by several things. So in this post, I’m going to summarise what I learned and what steps you can take if your PC fan is running non-stop, just like mine.

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What to do if your Computer Fan Runs Non-Stop?

If you’re facing the same situation and feeling just as confused or frustrated, you’re in the right place. Let’s figure this out together. Whether it’s a problem with background processes, dust buildup, or just a setting gone wrong, I’ll break down everything in simple .

Step 1: Check For Overheating or Blocked Vents

Oftentimes, the issue of the fan running continuously can be due to high U temperatures, which is caused by poor ventilation inside your U or Laptop. As per many s’ comments on YouTube and Reddit forums, it’s a common practice to first clean any blocked vents inside your computer system.

First, open your U cabin or Laptop using the appropriate tools.
Using a torch or flashlight, check for any visible signs of air ventilation blockage.
Once you identify any blockage, use a hairdryer or a similar air-blowing tool to remove such blockage.

Once you clear the blockage, turn on your computer or laptop to see any noticeable changes. Oftentimes, the issue of overheating will be fixed within this step, and your PC Fan will stop running unnecessarily.

Step 2: Remove the RGB Connection

While investigating the issue on Reddit, R6Gamer96 highlighted that the issue of the PC Fan running without stopping could arise due to an improper RGB connection. Since many s install third-party RGB connectors for aesthetic purposes, this issue is widespread in the gaming community. Here is how you can fix it:

Unplug the RGB connector that links your PC case to the motherboard.
This will stop you from syncing your case lights with your cooler lights.
Install all available updates using Windows Update or your manufacturer’s driver tool, eg, MyASUS utility.
After installing the updates, restart your PC to see if it helps with the running fan issue.

Step 3: Uninstall Fan Utility Apps

If you have installed any third-party fan utility apps that claim to control your U fan speed, then it’s a good time to uninstall them. It is because such apps can interfere with the default fan speed preferences set by your BIOS, and could be the reason why your PC Fan Runs Without Stopping.

Step 4: Change Thermal Paste

Many s on Reddit post mentioned that if your heatsink isn’t securely fastened or the thermal paste has degraded or lost , it won’t be able to effectively transfer heat from the U. As a result, your PC fan will keep running at full speed, trying to cool the U but failing to do so properly. To fix this, follow the steps below:

First, open your U cabinet or Laptop using the appropriate tools.
Open the U heatsink compartment and clean the area using dry tissue paper.
Once clean, apply a fresh layer of thermal paste.
Assemble everything back together and restart your computer to see if it helps.

Step 5: Disable Shady Browser Extensions

If you are noticing the issue of your PC fan continuously running, then the issue could be due to a malicious extension. Many times, you will click on shady websites that will install such malicious extensions on your browser, which can cause unnecessary computations and overheating issues. To fix this, follow the steps below:

Open your browser and navigate to the extensions section.
Here, check for any extensions that you haven’t installed by yourself. If you find any malicious extensions here, remove them.
Once you remove all necessary extensions, restart your PC and see if the fan running issue is resolved.

Step 6: Disable Background Crypto Mining

If you spend most of your time ing software and movies on your computer, then it’s most likely that you have some crypto-related malware on your device. Such malware is designed to operate in the background and eat up your computer resources to solve crypto-related algorithms. As a result, your PC Fan Runs Without Stopping and causes an overheating issue. To fix this, follow the steps below:

Click on the Windows icon and search for Task Manager.
Here, navigate to the Startup Apps section.
Scroll down and identify any unknown or suspicious apps.
Disable any suspicious apps one by one.
Once done, start your PC and see if this helps.

What To Do If My PC Fan Runs Without Stopping: FAQs

Que: Is it dangerous if my fan keeps running all the time?

Ans: Not necessarily, as running of fan is a safety mechanism to prevent overheating. However, if it’s running loudly and non-stop even under no load, it could indicate deeper hardware or software issues.

Que: Should I replace the fan if it never stops?

Ans: First, you must follow all the steps above, and it still the issue isn’t solved, then it’s best to replace the fans as they might be faulty.

Que: Can a software issue cause fans to run continuously?

Ans: If you run heavy background apps such as video editing or crypto mining, they can stress the U, causing the fan to run excessively.

Conclusion

Dealing with a constantly running PC fan can be frustrating, but it’s often fixable with some simple steps. Whether it’s cleaning dust, checking background tasks, or updating drivers, a little effort can bring peace back. Don’t ignore it like me, because your PC’s health depends on proper cooling and maintenance.

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