Wi-Fi Router Overheating: How to Fix This Problem?

By Dominic Chooper on September 10, 2023

Is your Wi-Fi router overheating and causing issues in connectivity? Don’t worry; you are not alone.

Overheating of routers is a common event because these devices operate continuously.

Fortunately, there are simple and effective solutions to fix this issue.

In this article, you will learn about the practical steps to avoid and fix Wi-Fi router overheating to enjoy reliable and stable internet connectivity.


Why is the Wi-Fi Router Overheating?

There are a variety of reasons for a router to become hot, such as high workload and different hardware issues.

Some other specific reasons could be:

Here are the effective and simple solutions.

Ways to Fix Wi-Fi Router Overheating

To prevent your router from overheating, you must essentially place it in the right place. It should be an open, hard, and flat space with adequate space around it for proper airflow.

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Do not place it inside the closet to hide it and do not cover the router with a piece of cloth or plastic.

In addition, you may also try:

Also, if you have to change the original adapter, use a compatible one. If the adapter has issues, it will overheat, and, as a result, the router will overheat. Check the label for current and voltage specifications and stick to it.

Method 1: Restart the Router after a Cool-Off Period

You may restart the router to allow it to cool off after a long stretch of operation.


Press the power button

Method 2: Keep Your Router Clean

You must keep the air vents of the router clean to prevent dust accumulation. And, if you are confident, you may also remove the router cover and clean the interior components.


Clean the vents

Now, to clean the interior, follow these steps:

Taking off the rubber caps

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Checking the interior components

Method 3: Place it at the Right Spot

The placement of the router will determine the airflow. Place it at the right spot for adequate ventilation.

Here are a few dos and don’ts.


Flat surface

Router in front of the TV

Router near or on the window under direct sunligh

Method 4: Use Cooling Accessories

Most routers do not come with any sort of fan but just with a small heat sink. Using a fan or other cooling accessories will prevent the router from overheating.

You can place a standard table fan behind the router or place it on one of the many cooling stands with USB fans available in the market.

However, for a cleaner look, if you have some technical knowledge and if the design and space inside the router allows, you can remove the heatsink and place a GPU fan from an old video card in its place. Follow these steps:

Note: Be cautious not to damage any other component in the process.


Pry out the heatsink

Cleaning the old thermal paste

Applying fresh thermal paste and adhesive

Place the fan unit

old USB cable

Making a small passage

Method 5: Update Firmware

Make sure the router firmware is up-to-date. This will reduce stress on the hardware, especially when it is old, and prevent quick heat buildup.

Note: A TP-Link router is used in this demonstration. The interface may differ from one router brand to another but the process is the same.


Default Access details

Username and Password

Clicking on Check for upgrade

Note: Updating may need some time. So, be patient and do not turn off the router until the process is complete.


In conclusion, proper placement, keeping the router clean, and utilizing cooling accessories will significantly reduce the risk of router overheating and enjoy uninterrupted internet connectivity.

Additionally, keeping the router firmware up-to-date is a good practice.