We talk about what you can do if your Windows computer power supply fan (PSU) is not working or spinning on startup. Check the PSU fan cable, Test the PSU, etc.

If your CPU fan is not spinning but you get no display on your Windows 11/10 computer, these fixes will surely help you resolve the problem.

Further reading: How to set up your PC fans for maximum cooling How DC case fans work A DC fan is a computer fan that is operated with direct current from the PC power supply or via your motherboard.