[教学] 如何关闭火狐浏览器的声音？-Turn Off Sound in Firefox

[教学] 如何关闭火狐浏览器的声音？-HOW TO: Turn Off/Disable Sound in Firefox for Windows 7





一，去时钟旁点击喇叭
1) Click on the audio icon at the bottom right of your screen (taskbar).

二，点击Mixer
2) Click on the word ‘Mixer’.

三，你会看见Firefox的插件
3) Scroll to the right and you will see something called ‘Plugin Container for Firefox’.

四，点击消音
4) Click on the button Mute.