win10 调整音量时左上角的内容框怎么关闭

在浏览器输入栏中输入：edge://flags/#hardware-media-key-handling
然后改成Disable 即可

参考地址：https://www.thewindowsclub.com/disable-hardware-media-key-handling-in-microsoft-edge#:~:text=%EE%80%80Hardware%20Media%20Key%20Handling%EE%80%81%20is%20one%20of%20the,%EE%80%80media%EE%80%81%20keys%20of%20the%20keyboard%20to%20play%20