Power Supply Fan Not Spinning Pc Not Working, Keep your PC running smoothly! Learn the common reasons why your computer fans are not spinning and how to troubleshoot and fix the issue. In this article, we are here to provide you with specific guidelines to fix a CPU fan that is not spinning. This problem can be tough to diagnose. Temperature. Check the PSU fan cable, Test the PSU, etc. This can happen due to dust buildup, a loose component, or as a result of the normal functioning of the fan over time. If your power supply is failing, it may not be able to provide enough power to spin your fans. Sep 7, 2025 · The reasons your computer power supply fan might not be spinning, common issues with PSU fans, and tips on ensuring proper cooling for your system's longevity. Oftentimes, the blockage is actually built-up dust, debris, or other kinds of particles. Feb 28, 2023 · PSU Fan Not Spinning is a very common question asked by many users. Temperature is a very important factor when it comes to power supply fan not working. If one of these capacitors stops working, it can stop the fan from getting the right voltage it needs to start spinning. May 15, 2024 · Inside the power supply, there are several capacitors responsible for regulating the voltage and current going to your computer’s components. The PSU fan is in the zero RPM mode. The higher the load the system has to process – the higher the temperature of the computer, and this is when the PSU fan comes into play. Aug 31, 2024 · Here’s what to look at next: Power Issues Faulty power supply. Zero RPM mode, also known as semi-passive cooling mode, or semi-fanless mode, is basically a feature many modern PSU fans have. Laptops usually have one fan to save on space and weight. If you notice the PSU fan not spinning on startup, it could be that there is some kind of blockage inside the fan. Jan 10, 2025 · A significant aspect of a power supply’s performance is its built-in fan, which helps to regulate temperatures by dissipating heat generated during operation. Mar 3, 2024 · Modern PSU fans only spin when on load. Stay updated with the latest news and stories from around the world on Google News. If you suspect your PSU is the problem, consider borrowing one from a friend or taking your computer to a shop. Desktop fan not spinning? Learn safe checks for power, cables, BIOS settings, dust, and failed fan signs—before you risk damage. Mar 21, 2024 · We talk about what you can do if your Windows computer power supply fan (PSU) is not working or spinning on startup. Motherboard Issues Damaged fan headers. Other times, PSU fan not spinning could be due to low load, connection issues, dust build-up, or a malfunction. Apr 16, 2022 · The power supply fans do not spin at all so I don't know what is happening as I'm a noob at this I checked all the cables and I reinstalled the ones to turn on the pc to make sure that wasn't the problem but it still did not work and turned on immediately after I turn on the power supply Nov 13, 2025 · This article provides information about how to troubleshoot and fix issues if the computer fan is not working, the fan noise is loud, the fan is spinning slowly, and so on. Computer not turning on due to power issues? Check the power source, troubleshoot AC adapter, battery, and power button. Why is My CPU Fan Not Spinning? Depending on the type of fan, there are several reasons you might be facing this . We would like to show you a description here but the site won’t allow us. Follow our easy guide to fix your computer. Apr 25, 2023 · Solve your non-spinning PSU fan woes with our comprehensive guide. Explore troubleshooting tips, practical solutions, and preventive measures for a cooler PC. One of the most common problems concerning a PSU fan is a bent blade. However, many users face a frustrating issue: the power supply fan fails to spin or work on startup. However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. Defective components. Dec 12, 2022 · Whether it be low power from the PSU or dust settled on fans, your PC will inevitably turn off when the fans stop spinning. Builtup dust. Mar 10, 2023 · There are several fans in a computer, including a PSU (power supply unit) fan, CPU (central processing unit) fan, case/chasis fan, and the GPU (graphics processing unit) fan. Sep 12, 2023 · Troubleshooting guide for a Power Supply Unit Fan not spinning. Learn why it happens and how to fix it. Every PSU or Power Supply Unit comes with a fan to keep its internal components cool, especially when the PSU is operating at high loads. swpeh, plmpu, lsayl, uesd, 5z2g, ftgi, fjh8rd, 9fgvq, st3k, fbsf9,