Expand , right-click the "QF9700" entry (or "Unknown Device"), and select Update driver . Choose Search automatically for drivers .
Do not expect miracles. The VK-QF9700 is a design from the early 2000s.
This article provides a definitive, step-by-step guide to downloading, installing, and troubleshooting the , ensuring your legacy adapter works with modern security and performance standards.
Official drivers typically support Windows XP through Windows 10 (64-bit). Windows 11 often requires using these older drivers in compatibility mode or manual installation via Device Manager. Installation Guide for Windows 11
immediately after. These steps help resolve Windows 11 Ethernet problems by refreshing the network adapter's connection to the OS. 4. Disable USB Power Saving Windows 11 may disable the adapter to save power.