Based on the model number U13-PC-211, you are referring to a Canopus (now Grass Valley) ADVC-55 Advanced Digital Video Converter.
The Canopus U13-PC-211 (also known as the Small Cyclone or ACEDVio) is a legacy PCI video capture card designed for high-quality analog-to-digital video conversion. canopus u13-pc-211 driver
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list various Canopus drivers, though these are not official manufacturer sites and should be used with caution. Archive.org Based on the model number U13-PC-211 , you
If you see "U13" anywhere: This is probably the FCC ID prefix for Canopus Co., Ltd. It appears on regulatory labels, not as a device model. The "PC-211" could be an internal board revision number. Chipset Driver: Look for the Conexant CX231xx Video
Since you cannot "reinstall a driver," troubleshooting relies on the connection and the capture software.