
This usually occurs with Conexant SmartAudio HD, Realtek, VIA HD Audio sound chips, and Sony and Asus laptops. However, at the same time, usually (but not always) in this case the sound card in Device Manager is called "Device with high definition audio support" (and this is a sure sign that there is no drivers installed for it). Note that there may be more than one SST device in the system device list, follow the steps for all of them.
CONEXANT SMARTAUDIO HD WINDOWS 10 TOO QUIET INSTALL
If there are other supported drivers listed, such as "High Definition Audio Device", select it, click "Next" and install it. Then select "Search for drivers on this computer" - "Select a driver from the list of drivers available on my computer". If so, right click on the device and select "Update Driver". Expand the "System Devices" section and check if there are any devices with the letters SST (Smart Sound Technology) in the name. Go to Device Manager (you can do this through the menu that opens when you right-click the Start button). If you are missing sound after installing a new version of Windows 10 (such as an update to 1809 October 2018 Update), please try the following two methods to fix the situation first. Windows 10 sound does not work after upgrading to a new version 5 The sound has become quiet, hoarse, or the volume is automatically reduced. 4 Playback devices and their optional parameters. 3 Sound or microphone has stopped working on your Asus laptop (may apply to others as well).
2.1 Installing drivers for sound in Windows 10. 2 No sound in Windows 10 after updating or installing the system. 1 Windows 10 sound does not work after upgrading to a new version.