[Solved] System won’t Power Up & can’t Hear CPU Fan Spinning Sound

How-to-Fix-a-Computer-That-Wont-Turn-On-and-Fan-not-spinning

In this article, we will discuss with you How to Fix a Computer that CPU Fan not spinning. You press the power button and see the lights are not ON and also cannot hear any cooling Fan spinning sound.

This can be due to insufficient power supplied to System. Well, let’s check the basic troubleshooting steps to solve this issue.

Steps to Fix a computer that CPU Fan not spinning


  1. Use a Multimeter or Tester to confirm that there is enough AC voltage at the Wall Mount.
  2. Check the AC cord next to make sure it isn’t loosely connected.
  3. Confirm the AC cord connectivity using a Multimeter.
  4. Check if the SMPS switch is Off. (SMPS comes with and without inbuilt switch)
  5. Shot the Power Supply, if SMPS fan spinning that means the issue is in Motherboard, and have to replace it if necessary or repair it. If not spin, change the SMPS with a working one and tries to power on the PC.

Mostly, a poor quality power supply will allow voltage transients to pass through and damage the motherboard also can damage Processor and RAM.

I hope these steps will help to solve the Fan not spinning issue. if still you facing any issue, comment below.

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