What should I do if the Win10 speaker icon shows a red cross prompt without installing any audio output device?

More and more users have upgraded the official version of win10, and the number of people who upgrade win10 every day is also growing. However, some users have recently reflected after upgrading win10. They found that the speaker in the lower right corner of the taskbar will have a red cross and prompt “No audio output device installed”, what is going on? what can we do about it? The following small series will introduce you to the Win10 speaker icon, the red cross prompt "do not install any audio output device" solution, together to see and understand, I hope to help everyone!

Workaround:

1, volume icon, right click, play device, try to change the default device;

2, in general, the driver problem, If it is good before the update, then try to roll back the sound card driver. If it is not used after the upgrade, then try to use Windows update to see if there is an update (update can upgrade your graphics card driver);

3, if you still can't, then you can try to use the driver wizard, driver master, etc. Perform intelligent detection drive.