If you cannot connect to a modern router, check if your router is set to WPA3 only. This legacy adapter primarily supports WPA2 or lower; you may need to enable a "Legacy" or "Mixed" security mode on your router.

Modern Windows versions often lack built-in support for the ZD1211 chipset.

The device is natively compatible with these systems. Official driver packages typically include a or ZyDAS configuration utility to help manage wireless profiles and connection parameters. 3. Linux Support

Ensure the adapter is plugged directly into a USB port on the back of your computer. Connecting to a front-panel port or an unpowered USB hub can lead to insufficient power, causing signal loss or chipset overheating.