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The Bt878 TV Card – Video Capture driver helps Windows recognize a Conexant-based TV capture card so compatible software can access its video input. It is intended for users setting up an older capture card, restoring a missing driver after reinstalling Windows, or troubleshooting a device that appears as unknown in Device Manager. Although listed in the Audio category, this device’s primary role is video capture; audio functionality may depend on the card’s design and connections.
Key Features
- Device recognition: Enables Windows to identify the capture hardware and make it available to compatible applications.
- Video capture support: Provides the driver interface needed to capture footage from supported sources through the card’s available inputs.
- Legacy system compatibility: Driver packages may target Windows 10, 8.1, 7, Vista, or XP; check the individual package for your exact operating system and architecture.
- Capture software integration: Allows compatible recording or TV-viewing software to communicate with the card. Available features depend on the specific board and application.
How to Install Bt878 TV Card – Video Capture Driver
- Identify your card. Open Device Manager and check the device’s hardware IDs under Properties > Details. Bt878-based boards can differ, so matching the chipset alone may not be enough.
- Verify compatibility. Before choosing a Bt878 TV Card – Video Capture driver download for Windows, confirm that the package supports your board, Windows edition, and 32-bit or 64-bit system. For Windows 10/11 users, do not assume a legacy package works on both: Windows 11 support is not listed for this device.
- Download and prepare. Choose a trusted source offering a free download, check the publisher details, and scan the archive before opening it. Extract the files if necessary.
- Install the driver. Run the included installer, or use Device Manager > Update driver > Browse my computer for drivers to select the extracted folder. Avoid bypassing Windows security checks to force an incompatible driver to load.
- Restart and test. Restart if prompted, then open your capture software and select the card. If video is unavailable, verify the input selection, cables, and software compatibility.
Keep a copy of your working driver before you update. The latest version is worth considering when it addresses a specific issue, but compatibility matters more than a higher version number on older hardware. If an update causes problems, use Device Manager’s Roll Back Driver option when available.
Driver Details
| Device | Bt878 TV Card - Video Capture |
|---|---|
| Vendor | Conexant |
| Category | Audio |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 2, 2026 |
| Updated | November 2, 2026 |