Win10 cannot output sound

Recently, a few friends discovered that computer microphones do not have audio output devices. Nowadays, both desktop computers and laptops have microphone functions. This also provides us with great convenience, but many friends are using it. Zhonghui suddenly found that his computer microphone had no sound. Let’s take a look at the specific solutions.

Solution for win10 without audio output device

1. Win R key combination (Start Menu-Run) and enter regedit

2. After entering the registry, click on HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96C-E325-11CE-BFC1-08002BE10318}, find UpperFilters on the right, right-click to delete, and exit registration Table

3. Enter the device manager, click on the "Sound" item, uninstall all sound devices with exclamation marks and delete the driver

4. Click "Operation" in the upper left corner, select "Scan for hardware changes", and refresh again

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