If you have any USB devices attached to your computer, disconnect them from the ports.You are likely to get a message that says an audio stream is currently in use when you force Sleep mode. Disable all other sounds and notifications on your computer.Sometimes the sleep option may be missing. Check your power settings and ensure Sleep mode is enabled.Perform the below basic checks before moving onto the more advanced steps: What can I do to fix my Realtek audio driver from preventing sleep on my PC? USB devices – USB audio devices such headphones or other devices such as printers and external hard drives can prevent a computer from going into sleep mode.Third-party power management tools often have similar settings that prevent your PC from entering sleep mode. Power management tools – If you have installed third-party power management tools, your PC may not enter sleep mode.Driver issues – If you have recently updated drivers for any of your hardware components such as graphics card, these might be interrupting with Windows’s ability to sleep properly.Some virus scanners can prevent your PC from going to sleep by keeping certain processes running at all times. Antivirus programs – Antivirus software often monitors your system for malicious activity.At times, a lot of non-essential services are running on your PC. Background apps – If you have a lot of applications open, or even just one that’s not responding, your computer may not be able to sleep until those apps have finished running.Examine any behavior and check whether it coincides with the recent installation of a new app. Software conflicts – Some programs might be preventing Windows from sleeping properly.To get the best power efficiency from Windows, you may need to tweak some settings. It’s also possible that the computer is simply not in a sleep state. Power settings – Your PC’s power settings may be set to never sleep, hibernate or turn off.There are a number of reasons why your computer may not be sleeping. What is preventing your PC from sleeping? However, most recently, users seem to have problems with their Realtek audio driver preventing their PCs from going to sleep mode. Sleep mode allows your computer to save power and avoid overheating.ĭoes your PC shut down instead of going to sleep mode? This seems to be a common occurrence. Home › Fix › PC Software › Realtek Audio Driver Is Preventing Sleep: 5 Ways to Fix ItĪre you one of those people who keeps your PC running around the clock? If so, then you probably know the importance of sleep mode.

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