Official support for the TL-WN722N V1 ends at Windows 8.1. While newer hardware versions (V2, V3, and V4) have dedicated Windows 10/11 drivers, the V1 is technically "obsolete" according to TP-Link's compatibility lists . Best Working Solution: Manual Update
Locate the adapter (often listed as "USB 2.0 WLAN" or "Other Device" with a yellow exclamation mark). : Right-click the device and select Update driver . Choose Browse my computer for drivers . Driver Tp Link Tl-wn722n V1 Windows 10
| Problem | Solution | |--------|----------| | “Driver not signed” error | Disable driver signature enforcement: Restart PC → Advanced startup → Disable driver signature enforcement, then install. | | Adapter not detected | Try a different USB port (USB 2.0 preferred). | | Connection drops | Go to Device Manager → Adapter properties → Power Management → Uncheck “Allow the computer to turn off this device”. | | Still not working | Use driver from a community repository (common for monitor mode users). | Official support for the TL-WN722N V1 ends at Windows 8