The CoolStar SST Audio (WDM) driver enables sound on Windows-converted Chromebooks, supporting Broadwell and Haswell devices like the Pixelbook and HP Chromebook 13 G1. The driver (v1.0.2.0) can be downloaded via CoolStar’s GitHub or specialized driver databases. Access the repository at
coolstar/driverinstallers: Driver Installers for various ... - GitHub coolstar sst audio driver download
Driver Installers for various chromebook drivers on Windows - coolstar/driverinstallers. coolstar/csaudiosstcatpt: Intel Broadwell SST WDM Driver The CoolStar SST Audio (WDM) driver enables sound
Before downloading anything, Alex needed to know why there was no sound. He learned that Macs from 2013 to 2015 don't use standard audio hardware. They use something called an Intel SST (Smart Sound Technology) audio controller. In Device Manager, under "Audio inputs and outputs",
Because Intel kept the inner workings of this chip a tightly guarded secret, standard Linux kernels didn't know how to talk to it. It was like trying to have a conversation with someone who spoke a different language.
Enter CoolStar—a legendary developer in the Hackintosh and Linux communities who had essentially written a translation dictionary. CoolStar had patched the Linux kernel to understand SST audio. All Alex had to do was install it.
CoolStarMic.inf from the GitHub repo (some versions include it separately).