Since this is a legacy device, Windows 10 and 11 may block the driver due to "Memory Integrity" settings. You may need to disable this in Windows Security to allow the older driver to load. Technical Specifications Interface: USB 2.0 Standards: IEEE 802.11 b/g/n Frequency: 2.4 GHz Security: WEP, WPA, WPA2 Summary Checklist Check if the chipset is Atheros-based for PC use. Use a USB extension to avoid physical interference. Enable 2.4GHz Wi-Fi on your router. Install legacy drivers for Windows 10/11 compatibility.
If you are trying to use this adapter on a PC rather than a TV, you will likely need to manually point Windows to the correct files. sharp wireless lan adapter wn8522b driver
Are you trying to install this on a , or are you setting it up for a Sharp AQUOS TV ? Since this is a legacy device, Windows 10
Ensure the adapter is pushed all the way into the port. Because the WN8522B is wide, it sometimes hits the TV bezel, preventing a full connection. Using a short USB extension cable can solve this. Use a USB extension to avoid physical interference
Navigate to Menu > Setup > Network Setup > Wireless Setup . Troubleshooting Common Issues
Look for an "Unknown Device" or "802.11 n WLAN" under "Other devices."
Ensure your TV firmware is updated via an Ethernet cable before switching to wireless.