The sound level from the built-in microphone is very quiet after updating the audio to driver audio package version 1.7.
It is possible the driver was not properly updated to version 1.7 or the driver could have been corrupted during the download process.
The current driver(s) need to be removed before installing the driver again.
To reinstall the driver, follow the steps below:
Audio inputs and outputs
Microphone Array
Speakers
Audio Processing Objects
Intel SST APO
Sound, Video and Game Controllers
SST for Bluetooth Audio
SST for Digital Microphones
SST for MIPI SoundWire Audio
SST for USB Audio
Realtek SoundWire HW Audio Codec Device Driver
System Devices
SST Technology BUS
SST Detection Verification
SST MIP
Reboot the system
Download the latest Driver Pack for your system
Unzip the Driver Pack to any designated location
Navigate to the AudioPackage-1.7 or later
Right-Click InstallPackage.bat and Select, Run as administrator
This procedure completes the removal and installation of the Audio Driver Pack.
If the issue is not resolved after following the steps mentioned above, it is recommended to run a fresh Windows* installation and reinstall the drivers again by following the Intel® NUC M15 Laptop Kit – Driver installation guide.