Require specific, legacy Ralink RT3572 drivers, which must be installed via an executable setup file or through Device Manager. 3. Linux and macOS
Look for legacy Ralink RT3572 or RT5572 USB wireless drivers.
Sharp Wireless LAN Adapter WN8522B is a legacy USB dongle primarily designed for Sharp AQUOS smart TVs and specific older Sharp PC-SV/XV laptop series
Choose . If Windows finds a matching Ralink RT3572 driver, it will install automatically.
The Marvell 88W8335 is supported by the libertas kernel module (though reliability is poor on modern kernels).
Before attempting to install software, it is important to understand the hardware:
Power cycle your TV. Unplug the TV from the wall outlet, wait 60 seconds, plug it back in, and insert the adapter.
Locate the unrecognized wireless device (it may appear under "Other Devices" with a yellow warning triangle). Right-click the device and choose . Select "Browse my computer for drivers" .
: The device uses a specific Vendor ID (VID) and Product ID (PID) that tells an operating system what it is. On a PC, Windows may label it as "Unknown Device" because the ID doesn't match standard database entries.
Use a USB 2.0 port instead of a USB 3.0 (blue) port. Some older chipsets experience timing conflicts when plugged into newer USB 3.0/3.2 ports. Issue 3: Cannot find 5GHz networks
: Often, with the driver download, there will be a readme file with installation instructions. These instructions are usually specific to your adapter and might offer model-specific guidance.
If the driver is installed but the device is not working, consider the following steps: Windows 10/11 Compatibility If the driver fails to install, try : Right-click the setup.exe file in the driver folder. Select Properties > Compatibility .
As with many hardware devices, the WN8522B required a driver to function properly. The driver acted as a bridge between the operating system and the adapter, enabling the computer to communicate with the adapter and access wireless networks.
: When plugged into a compatible Sharp AQUOS TV, no manual driver installation is required. The necessary software is embedded within the TV's firmware. If the adapter is not recognized, the solution is typically a firmware update for the television itself rather than a standalone driver download.
: You can check the Sharp USA Product Downloads or the Sharp Europe Download Centre . Note that these often focus on printers/copiers; for TV accessories like the WN8522B, you may need to search by the TV model number rather than the adapter itself.
chipset. While Sharp does not always provide a standalone download page for this specific dongle, it frequently uses the same drivers as the or generic Ralink/MediaTek 802.11n USB adapters. 2. Recommended Download Sources Sharp Official Support:

This is very helpful.
Thank you