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Corsair Fan Not Lighting Up [FIXED]

Learn how the issue can be fixed by checking for faulty connections, updating the software, and more.

Corsair fans are well-known for their high-quality performance and eye-catching RGB lighting. However, it can be frustrating when the fan’s lighting fails to work as expected. This Corsair fan not lighting up issue can be caused due to several reasons, from loose connections to software issues, and it can affect any model of Corsair fan.

Key Takeaways

  • Corsair fans are known for high-quality performance and eye-catching RGB lighting but can experience lighting issues for various reasons.
  • Common causes of Corsair fans not lighting up are loose connections or damaged cables, incorrect fan installation, faulty fan controller or lighting hub, software or firmware issues, power supply issues, and overheating.
  • To troubleshoot the Corsair fan not lighting up issue, you can check physical connections and cables, reinstall the fan or lighting hub, and update software and firmware.

Common Causes of Corsair Fan Not Lighting Up

Identifying the common causes of the Corsair fan not lighting up is the first step in troubleshooting and resolving this issue. Let’s discuss some common causes of this problem.

Also Read: How To Fix Graphics Card Fans Not Spinning

Loose Connection Or Damaged Cable

Loose connections or damaged cables are among the most common causes of the issue. When the cable that connects the fan to the lighting hub or the motherboard becomes loose or damaged, it can result in intermittent or complete loss of lighting.

This issue can also arise if the cable is not inserted properly or the connector pins are bent or damaged. Sometimes, the cable may be damaged due to wear and tear or improper handling during installation or maintenance.

Incorrect Fan Installation

Incorrect fan installation can also cause issue. When the fan is not installed correctly, it can result in a poor connection between the fan and the lighting hub or motherboard.

This can lead to a loss of power or data transmission, which can cause the fan to fail to light up properly. Additionally, if the fan is not securely mounted, it may cause the cable connection to become loose or damaged over time.

Faulty Fan Controller Or Lighting Hub

A faulty fan controller or lighting hub can cause the issue. The fan controller or lighting hub transmits power and data to the fan’s lighting system.

Corsair Fan Not Lighting Up
Faulty Fan Controller

If the controller or hub is malfunctioning, it can result in a loss of power or data transmission, leading to a failure of the fan to light up. This issue can also arise if the fan controller or lighting hub is not compatible with the fan or if it is not configured correctly.

Software Or Firmware Issues

Problems with the Corsair fan lights can also result from software or firmware problems. Corsair fans typically come with software that allows users to control the fan’s lighting effects and speed. Firmware is the software embedded in the fan’s hardware, and it controls how the fan communicates with the computer’s operating system.

If the software is outdated or malfunctioning, it may result in the fan failing to light up or not functioning properly. Similarly, firmware issues can cause the fan to stop lighting up or malfunction. Firmware issues can occur due to compatibility issues, software conflicts, or other software-related issues.

Power Supply Issues

Power supply issues can also lead to problem. The fan might not turn on or work properly if it doesn’t have enough power. This issue can arise if the power supply is not providing enough power or if there are issues with the power supply cables.

Power surges and other types of electrical interference can also cause problems with the power supply.

Cooler Master MWE Gold Modular Power Supply
Cooler Master MWE Gold Modular Power Supply – Image Credits (Tech4Gamers)

Also Read: How To Find Out Your Power Supply Without Opening Computer


Overheating can cause this issue in a few different ways. One of the most common ways is by causing damage to the lighting components of the fan. High temperatures can cause the LED lights to burn out or become damaged. This leads to a loss of lighting functionality.

Additionally, overheating can cause your system to shut down or become unstable, leading to power interruptions or signal to your Corsair fan. The fan’s lighting may flicker or go out entirely due to these interruptions.

Faulty Fan Controller

Overheating can also cause your Corsair fan to malfunction due to stress or damage to other components, such as the bearings or motor. This can result in losing lighting functionality or other fan performance issues.

Also Read: How To Lower GPU Temperature? 

Troubleshooting Corsair Fan Not Lighting Up Issue

Several troubleshooting steps can help address the the issue and restore its proper functionality. Let’s discuss them one by one.

Checking Physical Connections And Cables

If the fan is not lighting up, checking the cable connections between the fan and the lighting hub or motherboard is important. Ensure the connector pins are not broken or damaged and the cable is inserted correctly.

Check the cables as well for any indications of wear and tear. If the cables are damaged, it may be necessary to replace them. Additionally, check the physical connection of the fan to the case and ensure that it is securely mounted in place.

Reinstalling The Fan Or Lighting Hub

If the fan is not lighting up, it may be due to a problem with the installation or configuration of the fan or lighting hub. To address this issue, it may be necessary to reinstall the fan and lighting hub or to reset the configuration to default settings.

Start by disconnecting the fan and lighting hub from the computer and then reconnect them carefully. Ensure the cables are connected properly, and the fan is securely mounted.

Corsair Fan Not Lighting Up
Reinstalling The Fan – Credits [YT/MSI HOW-TO CHANNEL]
Changing the fan or lighting hub or contacting technical support could be essential if the problem doesn’t disappear. 

Also Read: How To Remove AMD CPU Fan 

Updating Software And Firmware

If the fan is not lighting up, it may be due to outdated or malfunctioning software or firmware. To address this issue, checking for any available updates for the fan software and firmware is recommended.

This can be done by visiting the Corsair website and downloading the latest fan and lighting hub updates. Once the updates have been downloaded, install them following the instructions provided.

It is important to note that installing updates can sometimes reset the settings to default, so it may be necessary to reconfigure the settings for the fan and lighting effects after the update. Updating the software and firmware is a good troubleshooting step when the issue occurs and can often resolve the problem quickly and easily.

Checking Power Supply And Voltage

It can be resolved if the issue is due to insufficient power supply or incorrect voltage levels. To address this issue, it is recommended to check the power supply cables and the voltage levels to ensure they provide enough power to the fan.

A low-quality power supply or cables can cause the voltage to drop, leading to the failure of the fan to light up. It is important to use a high-quality power supply designed for gaming or high-performance computers. Additionally, check for any signs of wear or damage to the power supply cables and replace them if necessary. A voltmeter can be used to check the voltage levels if there is any doubt. 

Corsair Fan Not Lighting Up
A Multimeter To Check The Voltage

Also Read: How To Check Insufficient Power Supply

Checking For Conflicts With Other Software Or Hardware

When troubleshooting the issue, one potential cause to consider is conflicts with other software or hardware installed on the computer. This can occur when two or more programs or devices simultaneously try to use the same resources, such as the USB ports or the graphics card.

Review the list of installed software and hardware components to check for conflicts. If any software or hardware components are found to be conflicting, try disabling or uninstalling them temporarily to see if the issue is fixed. 

It is also recommended to check the USB ports to ensure they function correctly. 

RMA Or Contacting Corsair Support

If all the troubleshooting steps fail to resolve the issue, it may be necessary to consider returning the product for repair or contacting Corsair support. The procedure for returning a product to the manufacturer for repair or replacement is known as an RMA (Return Merchandise Authorization).

To initiate the RMA process, visit the Corsair website and follow the instructions for returning a product for repair. Before returning the product, it is recommended to ensure that all troubleshooting steps have been attempted and documented to avoid unnecessary delays. Additionally, contacting Corsair support can be helpful in addressing the Corsair fan lighting issue.

Corsair support can provide additional troubleshooting steps, advice, or assistance in the RMA process. It is recommended to provide detailed information about the issue, including any troubleshooting steps taken, to help Corsair support to diagnose the issue quickly and accurately.

Tips For Preventing Corsair Fan Not Lighting Issues In Future

Here are some additional tips to prevent Corsair fans not lighting issues in the future:

Check For Software Updates

Corsair frequently releases firmware and software updates to improve the performance and reliability of its products. It’s important to check for and install updates for your Corsair fan. In order to ensure it’s running with the latest features and fixes.

Monitor Your System Temperature

High system temperatures can affect the performance and lifespan of your Corsair fan’s lighting components. Monitoring your system temperature with software such as HWMonitor or SpeedFan can help you identify potential heat-related issues and take steps to mitigate them, such as improving your system’s airflow or adding more cooling solutions.

Corsair Fan Not Lighting Up
HWMonitor Interface

Avoid Overclocking

Overclocking your system can cause stress and damage your hardware, including your Corsair fan’s lighting components. It’s recommended to avoid overclocking or to do it with caution and under controlled conditions to prevent any issues with your hardware.

Also Read: How To Turn Off Overclocking? 

Perform Regular Hardware Checks

Regularly checking your hardware, including your Corsair fan, can help you identify potential issues early on and take steps to prevent them from getting worse. Some software solutions, such as Corsair iCUE, can help you monitor your Corsair fan’s performance and detect any anomalies.

Read The Manual And Follow The Instructions

It’s crucial to thoroughly read the manual and adhere to the Corsair instructions before installing or setting up your Corsair fan. This can help you avoid common installation or configuration mistakes that can lead to issues with your fan’s lighting or other features.

By following these tips, you can prevent the issue in the future and ensure that your Corsair fan continues to work properly and look great for a long time.


This was everything you needed to know about the Corsair fan, not lighting issues. As you can see, several methods can help fix the problem. 

Frequently Asked Questions

Can the use of third-party RGB software can cause Corsair fan lighting issues?

Using third-party RGB software to control your Corsair fan’s lighting can cause compatibility issues and lead to malfunctions or failures. Using the recommended software or hardware is crucial to ensure that your specific fan model runs smoothly and consistently.

Can using too many RGB components affect Corsair fan lighting functionality?

Using too many RGB components, such as multiple fans or LED strips, can cause power or signal issues affecting your Corsair fan’s lighting functionality. Ensuring your system has enough power to support your RGB components is important.

Can a non-Corsair fan controller cause Corsair fan lighting issues?

Using a non-Corsair fan controller to control your Corsair fan’s lighting can cause compatibility issues and lead to malfunctions or failures. Using recommended software or hardware for your Corsair fan model is essential for smooth and reliable operation.

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