Alienware FX light issues

Summary: Solution for common Alienware FX Light issues.

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What is FX light? This is a bunch of background leds integrated into the keyboard on Alienware systems in order to create ambient effects which enhance the gaming experience.

You may experience issues with this function such as:

  • FX light color can not control
  • Right FX light not working
  • FX board error

For the most part updating Alienware Command Center to the latest version will resolve these issues.  This download is available from the Dell Drivers and Downloads site, under the Application section.  If this does not help, please see some of the other options to assist with troubleshooting your problem:


The Alienware Command Center may stop behaving as expected after a recent software or hardware change, for example a Windows or Driver update. If this happens it is recommended to:


  • Drain all power from the computer. This process consists on:

    • Turn off the computer
    • Unplug the power cable and battery (for laptops)
    • Press and hold the power button for about 20 seconds (the computer is not expected to turn ON)
    • Reconnect the power cable
    • Turn the system on
  • Update the computer BIOS to the latest versionfrom our Drivers Page

  • Uninstall and Reinstall the Alienware Command Center Software as per the instructions on our article How to Remove and Reinstall the Alienware Command Center

    Video: Alienware: Reinstall Alienware Command Center

Dimmed or No Lights

First go to the AlienxFX taskbar icon and make sure these options are checked:

  • Dim Lighting Zones.
  • Keep Status Zones on During Go Dark.


SLN299379_en_US__2icon If you choose the "Go Dark" option please be aware that all system lights will go off therefore to enable all lights back again choose the "Go light" option.

 In case you have done that already and issue persists, run the AlienFX Tester as shown on the following video:

Video: Test your system lights using the AlienFX Tester (English Only)

If the AlienFX Tester works fine then:

  • Right Click the AlienFX icon in the tray bar, select "Enable inactivity timer" and choose "Never go Inactive".
  • Uninstall the Alienware Command Center from your system as per the instructions on our article How to Remove and Reinstall the Alienware Command Center.
  • For Windows 7 Only:

    • Uninstall the .NET Framework 3.5, 4.0 and 4.5.
    • Restart the computer.
    • Install the .NET Framework 3.5 and 4.5. You can get them from here.
  • Download the latest Alienware Command Center from our Drivers Page

  • If issue persists please go to "Control Panel", "Programs and Features" and choose uninstall Command Center, when setup loads, run the "Repair" option. This will solve any software corruption in the AlienFX firmware while installing.


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Last Published Date

21 Feb 2021



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