My case fans are spinning but my PC’s temperature readings are still too high while connected to the PWM PC Fan Controller

Updated: 22-Sep-2025 | Answer ID: 5682
This article details a few ways to fix PCs with temperatures that are still too high, even with case fans already spinning while connected to the Razer PWM PC Fan Controller.
Razer PWM PC Fan Controller | RZ34-02140 Support
 

Follow the steps below to resolve high PC temperature readings when connected to the PWM PC Fan Conctroller.

  • Increase the fan speed of your case fans via Razer Synapse.
  • Move your computer to a cooler area.
  • Stop overclocking.
  • Clean the air vents and case fans.

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