Since this is a rebranded "EasyCAP" style device, the easiest fix is often using a dedicated driver package.
If you have plugged in an adapter and found it listed as , you are dealing with a Corechip SR9900 Go to product viewer dialog for this item. -based device, often marketed under various brand names. What is USB\VID_0FE6&PID_9900?
If Windows Update fails, you must install the driver manually.
The 0fe6:9900 USB Ethernet adapter is also well-supported in Linux, but it can sometimes require a bit of manual configuration. usb vid-0fe6 amp-pid-9900
Based on the USB IDs provided ( VID: 0Fe6 , PID: 9900 ), you have a (often used to convert analog signals like Composite or S-Video to digital USB).
This article is for informational purposes. The author is not affiliated with Davicom, Realtek, or Microsoft. Always back up your data before installing new drivers.
Some users have reported issues with this adapter randomly disconnecting and reconnecting on Linux. While rare, a common solution is to for the USB port or the device itself. A known workaround is to disable Wi-Fi while using the Ethernet connection, which can sometimes resolve conflicts. Ensuring your system's power settings (like TLP on laptops) are not suspending the USB port is also recommended. Since this is a rebranded "EasyCAP" style device,
Every USB device features a Vendor ID (VID) and a Product ID (PID) embedded into its controllers by the manufacturer. Operating systems read these identifiers to match the device with its appropriate software driver.
SUBSYSTEM=="net", ACTION=="add", ATTRSidVendor=="0fe6", ATTRSidProduct=="9900", KERNEL=="eth*", NAME="usb2"
While it generally works well, the primary issue for some Linux users is random disconnections, often resolvable by or tweaking USB power management settings . This adapter, manufactured under brands like ICS Advent, is a testament to the vibrant ecosystem of generic hardware that powers countless DIY and professional networking projects. If you run into issues, you're not alone, and the solutions are documented in the community experiences we've explored. What is USB\VID_0FE6&PID_9900
We can break down this specific identifier into two main parts:
Linux has native support, but it may require a manual module load.
USB to Internet Adapter not recognized - Raspberry Pi Forums
USB 2.0 ports are usually preferred.