Intel does not endorse this driver, and you should only use it if the official drivers have failed you. That said, for thousands of users, this driver has resurrected "dead" audio jacks and speakers on laptops that manufacturers abandoned.
Because these are custom, third-party drivers, Windows requires a specific installation sequence to accept them. Step 1: Enable Test Signing (If Required)
| 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. | coolstar sst audio driver new download
For the absolute newest experimental releases and beta testing blocks, the community Discord server is highly active. Developers frequently post updated test drivers in dedicated announcements or support channels before pushing them to the main website helper tool.
Navigate to coolstar.org or the dedicated coolstar.org/chromebook/windows.html deployment page. Intel does not endorse this driver, and you
To help narrow down the exact package you need, what do you have, or what Intel CPU generation is it running? Share public link
Ensure you enabled if using an unsigned package. Step 1: Enable Test Signing (If Required) |
Even with the new CoolStar driver, problems can arise. Here are the top fixes.
: Some users report that while headphone audio is "awesome," internal speaker volume may be lower than it was on ChromeOS.