Click and Windows will install the verified CoolStar driver. 4. Restart Your System

Expand or Processor to identify your chip (e.g., Celeron N4000 is Gemini Lake; Celeron N5100 is Jasper Lake). Step 2: Enable Test Signing (If Required)

Once purchased, you can download the verified installer directly from your account in the License Manager portal. This is the only method to get a legitimate, up-to-date, and malware-free driver package.

After downloading the ZIP file, open PowerShell and run:

If the driver installs successfully but you still hear nothing, right-click the speaker icon in your system tray and select . Ensure the output device is set to your Chromebook's internal speakers rather than a digital output channel. Device Manager Error Code 10 or 39

Unofficial, modified, or outdated drivers cause frequent Blue Screens of Death (BSOD).

To help you get the exact right files for your device, let me know: What do you have? What CPU/Processor is listed in your settings? Which version of Windows are you currently running? Share public link

Intel provides generic SST drivers, but Chromebooks often use custom audio routing configurations that generic drivers cannot interpret. This results in the dreaded "No Audio Output Device Installed" error in Windows.

CoolStar reverse-engineered and patched the driver to bypass these issues, restoring full functionality including:

You will likely see an item with a yellow warning triangle labeled "Intel Smart Sound Technology" or "Audio Device". 3. Update the Driver

Intel SST audio architecture spans multiple CPU generations. CoolStar has developed drivers targeting specific chipsets:

Always restart Windows to initialize the audio service. ⚠️ Important Troubleshooting

Note: As of 2024-2025, the repository is read-only and archived. The last release tag is v1.0 (2018).