there is nothingCheck in Device Manager
"Update drivers manually in Windows" https://support.microsoft.com/en-us...-windows-ec62f46c-ff14-c91d-eead-d7126dc1f7b6
At the end, is there something with a yellow exclamation mark?
which network driver?1. Install the network driver so that you can use Windows Update to fix sound.
2. Run audio troubleshooter
https://support.microsoft.com/en-us...61c-40fb-671a-2535c7cd56c8#ID0EDBD=Windows_10
i cant get onto macosOn macOS, you can download BootCampESD.pkg It installs /Library/Application Support/BootCamp/WindowsSupport.dmg that contains the Windows drivers for MacBookPro9,1 & MacBookPro9,2
https://swcdn.apple.com/content/dow...8qgdflw7pn1finqqd40gifh41mvs6/BootCampESD.pkg
Link from https://gist.github.com/nuomi1/16133b89c2b38b7eb197
WindowsSupport.dmg can also be extracted from BootCampESD.pkg with Pacifist https://www.charlessoft.com or Suspicious Package https://mothersruin.com/software/SuspiciousPackage/get.html