| Driver Name | Manufacturer | Version | Target Platforms / Hardware IDs | Key Features / Notes | | :--- | :--- | :--- | :--- | :--- | | | CoolStar | 1.0.7.0 | For devices with Hardware ID: CSAUDIO\ADSP&CTLR_VEN_8086&CTLR_DEV_9D70 | A version specifically for certain SST devices requiring a signed license. | | CoolStar SOF Audio | CoolStar | 1.0.5.0 | For devices with Hardware ID: CSAUDIO\ADSP&CTLR_VEN_8086&CTLR_DEV_4DC8 | An alternative open-source audio solution for Intel platforms. | | CoolStar Audio (Haswell/Broadwell) | CoolStar | Open Source | Tested on Google Pixel 2 (i7-5500U) | An open-source alternative for older Intel architectures. Requires a binary blob ( IntcSST2.bin ) for operation. | | CoolStar SST Audio (AVS) | CoolStar | Varies | Often a paid, licensed version (approx. $10) for newer Intel hardware (e.g., Skylake+) | A premium driver that typically offers better stability and performance but requires a paid license file. |
If CoolStar drivers do not work, some users on budget devices have success with Intel's generic SST drivers, although functionality might be reduced. Conclusion
Restart your computer. You will see a small "Test Mode" watermark in the bottom-right corner of your desktop. Step 2: Download the Correct Driver Package
If you completed the installation but still have no sound, try these troubleshooting steps: Audio Device Shows "Code 10" or "Code 39" This means the driver failed to load.
Type the following command and press Enter: bcdedit /set testsigning on coolstar sst audio driver new download
Download the latest .zip or .exe package matching your CPU generation (e.g., SST Audio Driver for Gemini Lake/Jasper Lake ).
If you’re a Chromebook user who has taken the bold step of installing Windows on your device, you’ve likely found that getting audio to work properly can be one of the biggest challenges. The internal audio hardware of many Chromebooks simply isn't supported by standard Windows drivers. This is where the comes into play.
CoolStar works closely with the Chrultrabook community. The official community documentation page provides direct, up-to-date links to the signed driver repositories alongside step-by-step installation guides tailored to individual motherboard codenames. Step-by-Step Installation Guide
The driver is a specialized piece of software designed by the developer CoolStar to enable audio functionality on Chromebooks running the Windows operating system . It primarily targets devices using Intel Sound System Technology (SST), which typically requires custom drivers to function outside of ChromeOS. Driver Details and Recent Updates | Driver Name | Manufacturer | Version |
Various Chromebooks powered by AMD Zen-architecture mobile chips.
Finding the right driver is crucial for success. A key step in getting your Chromebook’s audio to work is ensuring you have installed the correct version of the driver for your specific hardware. The table below summarizes the main drivers available, based on the information found in driver repositories.
Recent versions of the CoolStar SST Audio driver have been optimized for a variety of Chromebook models (often referred to by their board names, such as Bluebird , Cave , Phaser360 , and Snappy ).
The primary and safest method is through CoolStar's official license manager at coolstar.org/chromebook/driverlicense/login.html . Due to the driver's anti-piracy measures, an official paid license is mandatory for the driver to function. Requires a binary blob ( IntcSST2
To help narrow down the exact package you need, could you share the of your Chromebook or its processor type ? If you run into any errors during setup, let me know the exact error message so we can troubleshoot it together. Share public link
Chromebook hardware is strictly optimized for ChromeOS. When you replace the default Google firmware with a custom UEFI firmware (like MrChromebox), Windows installs easily, but critical drivers remain missing.
- Alternative download location for verified audio drivers. How to Install the New CoolStar SST Audio Driver