Hi Ryu,
Welcome to the Microsoft Q&A Forum.
In Windows 11, display power sounds are managed as part of the overall system sound scheme, rather than as an individual experience option. If your goal is to adjust or silence that sound, you can do so using the classic sound configuration:
- Press Win + R, type
mmsys.cpl, and press Enter
- Open the Sounds tab
- Under Program Events, look for items such as System Notification, Device Connect, or similar system events
- You can set a specific event to None or assign a different sound, depending on your preference
- Also look for "Play Windows Startup sound"
I look forward to receiving your update. Let me know if you need further assistance, feel free to ask me by clicking "Add Comment" or "Add Answer" if you cannot add comment so your response will be visible. Thanks for your effort.
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