You should be looking for settings related to Power Management and Suspend Mode. Since the BIOS interface is different for motherboards coming from different manufacturers, I cannot provide an exact walkthrough. That said, to change the sleep state settings, you’ll need to head into your system’s BIOS.
If yes, I suggest that you disable it and turn on the S3 sleep state instead. Unfortunately, it also has drawbacks, including a continuously running CPU fan.Īs such, if you own a new PC or laptop, it’s worth checking if Modern Standby is enabled. It provides a smooth on-off experience, similar to locking and unlocking your mobile phones. Modern systems (especially laptops) are configured with S0 as the default sleep state, replacing the traditional S3 sleep state, where the CPU is turned off, and subsequently the CPU fans. In some sleep states - S0 & S1 - the CPU is still active, which explains why the fans are still on.įurthermore, S0, also known as Modern Standby, is becoming more popular. Disable Modern Standbyĭid you know that Windows has different sleeping states? Now, to troubleshoot Hardware and Devices on Windows 11, you can follow the same exact steps we discussed with Windows 10.Īfter running both Power and Hardware troubleshooters, put your Windows PC to sleep and check if the fans are still running. How to run the Windows Troubleshooter on Windows 10įollow the given steps to run the Windows 10 troubleshooter for your PC fans and the sleep mode: Here are dedicated step-by-step guides on how to run the troubleshooters on both Windows 10 and Windows 11. Now, since your PC fans are running while Windows is in Sleep Mode, you might have some hardware configuration issues or problems with the Power settings.Īs such, I’d recommend that you run the Windows Troubleshooter for Hardware & Devices and Power to cover all potential problems that might be causing the issue.
Windows PCs come with a set of tools called the Windows Troubleshooter that can automatically diagnose and fix basic problems in your system. One of the easiest and most straightforward ways to fix problems on Windows is to let the OS do it for you. I’d suggest that you apply these solutions in order, as we’ll start with the most likely fixes. In this article, I’ll go over each of these points in detail so you can follow along and stop your PC fans from running in sleep mode.īesides discussing step-by-step guides, I’ll also go over why these fixes work and the potential underlying issues.
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