If the computer shows an exclamation point next to the device or claims it is unrecognized, try these steps:
Without this driver, your computer may recognize that a USB device is plugged in, but it will not understand how to process the video stream, control the camera’s pan/tilt functions, or utilize the microphone array (if equipped). This driver ensures that applications like Zoom, Microsoft Teams, OBS Studio, or vMix see the Sony camera as a standard UVC (USB Video Class) device—but with enhanced proprietary controls.
Disclaimer: Driver version numbers are subject to change. Always verify the latest version on Sony’s official professional support portal.
October 2025 Article ID: SONY-USB-CAM-B409241 Disclaimer: Sony Corporation and VAIO Corporation are not affiliated with this guide. This article is for educational purposes. Always back up your system before installing drivers. Sony Usb Camera B4.09.24.1 Driver
What (e.g., Windows 11, Windows 10, macOS) are you running?
If an older version of the driver is installed, uninstall it via first. Step 3: Run the Installer
: Windows 11’s Virtual Camera feature can conflict. Disable any virtual camera software (e.g., OBS Virtual Cam, Snap Camera) before troubleshooting. If the computer shows an exclamation point next
Here are some references I used while writing this paper:
The Sony USB Camera B4.09.24.1 driver was released before Windows 11 existed. However, extensive user testing shows it can work with minor tweaks:
Windows Device Manager displays a yellow exclamation mark next to the camera, often accompanied by Error Code 10 (Device cannot start) or Error Code 43 (Device reported problems). Always verify the latest version on Sony’s official
Because Sony never released an official, consumer-facing Windows 10 or Windows 11 driver for this device, users must rely on specific third-party integration methods to get it running. Hardware Specifications
Follow this precise sequence to avoid "Code 10" or "Code 31" errors.