Go to Device Manager > Network Adapters > Realtek RTL8192EU > Properties > Advanced. Ensure that Wireless Mode is set to include 802.11n and that Channel Width (or Bandwidth) is configured to Auto or 40MHz rather than forced to 20MHz.
Verify:
Clone a verified community-maintained repository for the chipset (such as the popular drivers maintained by clanhacks or lwfinger on GitHub).
For macOS users—including those running Hackintosh systems—driver support is less official but possible. Given that Apple uses its own Broadcom chips, you will need to look for community-developed kexts (kernel extensions). Driver packages for Realtek chips exist, but their functionality on the latest macOS versions like Monterey, Ventura, and newer is not guaranteed.
Look at the physical USB casing to identify the brand and model number. Go to that manufacturer's official support website.
Follow the on-screen instructions and restart your computer when prompted. Manual Installation via Device Manager If the executable installer fails, follow these steps: Right-click the Start menu and open .
A: The theoretical maximum speed is 300Mbps, thanks to its 2x2 MIMO technology.
If you have installed the driver but the adapter still misbehaves, work through this systematic checklist.