Polycom Communicator C100s Windows 10 Driver Work Jun 2026

Because the C100s houses an internal sound processing card, Windows 10 can control it using native audio protocols, disregarding the proprietary call-control buttons. POLYCOM CX100S AND WIN 10 - HP Support Community

Keep the USB cable disconnected from your PC.

Polycom (now part of HP/Poly) officially designated the Communicator C100s as End-of-Life (EOL) several years ago. Consequently, there is no official, dedicated "Windows 10 driver" package available on the manufacturer's website.

Click on for both input and output to adjust master volume sliders to acceptable baselines (recommended: 70–80% to avoid digital clipping).

If Device Manager shows an "Unknown USB Device (Device Descriptor Request Failed)" error:

Because the C100s houses an internal sound processing card, Windows 10 can control it using native audio protocols, disregarding the proprietary call-control buttons. POLYCOM CX100S AND WIN 10 - HP Support Community

Keep the USB cable disconnected from your PC.

Polycom (now part of HP/Poly) officially designated the Communicator C100s as End-of-Life (EOL) several years ago. Consequently, there is no official, dedicated "Windows 10 driver" package available on the manufacturer's website.

Click on for both input and output to adjust master volume sliders to acceptable baselines (recommended: 70–80% to avoid digital clipping).

If Device Manager shows an "Unknown USB Device (Device Descriptor Request Failed)" error: