In 2018, a hero emerges on a German tech forum. They have reverse-engineered the C100s’s USB descriptors. They discover that Polycom used a proprietary chip (C-Media based, but heavily modified). The Windows 10 generic driver can enable the microphone array—but only if you manually edit the .inf file of an old C-Media driver and force-install it via "Have Disk."
The steps are maddening:
For some, it works. The C100s suddenly shows up as "Polycom C100s Advanced Audio Device." The noise cancellation returns. The buttons? No. Those are gone forever. But the core—the reason you loved this puck—lives again. Polycom Communicator C100s Windows 10 Driver
Introduction: A Classic Speakerphone in a Modern OS World
The Polycom Communicator C100s is a beloved piece of hardware. Released over a decade ago, this portable USB speakerphone was a game-changer for early adopters of VoIP and softphones like Skype. Its superior audio pickup (thanks to Polycom’s legendary Acoustic Clarity Technology) made it a staple in conference rooms and home offices. In 2018, a hero emerges on a German tech forum
However, as Microsoft pushes forward with Windows 10 and 11, many users face a hard truth: The C100s is an orphaned device. Polycom (now part of HP) has officially marked this device as End of Life (EOL).
So, what happens when you plug your trusty C100s into a Windows 10 machine? Does it work? Is there a specific driver? This 2,500-word guide covers everything you need to know about the Polycom Communicator C100s driver situation on Windows 10, including workarounds, manual fixes, and modern alternatives. For some, it works
If the manual driver selection above does not work, or if you prefer an automated installation, you can use legacy software. While the specific "Polycom Communicator Software" is outdated, the underlying drivers were distributed via Plantronics (sometimes branded as Broadcomm).
However, for most users, Method 1 is cleaner as it does not install background services that run at startup.