Because the device lacks modern drivers, you may encounter the following issues on Windows 10:
Because Windows 10 does not natively recognize the specific Product ID of the C100S as an audio device, it treats it as an "Unknown Device" or simply fails to initialize it. The solution lies in tricking Windows into using the drivers intended for the Plantronics .Audio 645, which shares the same internal architecture.
Look at your system tray. You should see a notification stating that Windows is setting up a "USB Audio Device." Setting it as Default:
: The "Polycom C100S Manager" tool is largely obsolete and may not run or communicate with the device on Windows 10. Recommended Action
is a legacy USB speakerphone renowned for its high-fidelity voice quality and seamless Skype integration . While it was originally designed for older operating systems like Windows XP, Vista, and Windows 7, many users still rely on its "legendary" echo cancellation technology today. Setting up the Polycom Communicator C100S Polycom Communicator C100s Windows 10 Driver
You can download the Polycom Communicator C100s Windows 10 driver from the official Polycom website:
Polycom Communicator C100s Windows 10 Driver: Complete Installation & Compatibility Guide
Plug the integrated USB cable of the C100s directly into a on your PC. Avoid unpowered external USB hubs to prevent severe audio distortion or clicking.
Compatibility summary (concise)
Open the and navigate to the Recording tab. Double-click the Polycom microphone.
Locate the Polycom microphone, right-click it, and choose . Click Apply and then OK . Using the Windows 7 Driver in Compatibility Mode (Optional)
: Poly (formerly Polycom) explicitly states that the C100S does not support operating systems beyond Windows 7. Third-Party Drivers : Some driver repositories like DriverScape
I can provide tailored troubleshooting steps based on your setup. Share public link Because the device lacks modern drivers, you may
In the device's properties menu (under the Advanced tab), change the default format from studio quality down to 1 channel, 16-bit, 44100 Hz (CD Quality) or 48000 Hz (DVD Quality) . This matches the native hardware capabilities of the C100s and stops digital clipping.
: Polycom (now part of HP) designated the C100s as End-of-Life (EOL) before Windows 10 became the enterprise standard.
The most successful method for getting the original Polycom Communicator software to run on Windows 10 is using the final official driver package released for Windows 7/8 and running it in Compatibility Mode.