Detailed instructions and hardware-specific links can be found on CoolStar's Website .
: Some users report that while headphone audio is "awesome," internal speaker volume may be lower than it was on ChromeOS. coolstar sst audio driver new download
Secure Boot or Driver Signature Enforcement is still active. Fix: Disable Secure Boot in your BIOS/UEFI. Then, permanently disable Driver Signature Enforcement using bcdedit /set testsigning on (run as admin, then reboot — you will see "Test Mode" watermark on desktop). coolstar sst audio driver new download