If you still see a red "X" on the speaker icon, you may also need to install the (for HDA-based SST) or Cirrus Logic Awesome Speaker Amplifier Driver (for Surface devices) alongside CoolStar’s SST driver.
Getting Windows to run flawlessly on a Chromebook is a massive achievement for tech enthusiasts. However, getting the internal audio to work has historically been one of the biggest hurdles. Chromebooks utilize specific Intel Smart Sound Technology (SST) audio systems that do not native support standard Windows audio drivers. coolstar sst audio driver new download
The Complete Guide to the CoolStar SST Audio Driver: Latest Downloads and Installation If you still see a red "X" on
Navigate to the official or CoolStar’s official website . coolstar sst audio driver new download
Right-click the installation file and select "Run as Administrator" .