Posted by: TechSupport
Linksys Alternative: The adapter is hardware-identical to the Linksys WUSB600N v2. Windows 7/8 drivers for the WUSB600N can often be manually installed on Windows 10 via Device Manager. Manual Installation: Plug the stick into your PC. Open Device Manager.
Step 4: Manually Update the Driver
The WIS09ABGN driver is a software component that enables the WIS09ABGN wireless adapter to function properly on Windows 10. The driver acts as a translator between the adapter and the operating system, allowing you to connect to wireless networks and access the internet.
The manufacturer (Ralink, now owned by MediaTek) stopped updating these drivers officially, leaving users with a broken Wi-Fi card after upgrading to Windows 10. wis09abgn driver windows 10
Step 6: Reboot After installation completes, restart your computer. Your Wi-Fi adapter should now appear as "Ralink 802.11n Wireless LAN Card" or similar, and the yellow exclamation mark will disappear.
Struggling with the mysterious "Wis09abgn" device in your Device Manager? You are not alone. Post Title: Solved: WIS09ABGN Driver for Windows 10
Manual Selection: Choose Browse my computer for driver software, then select Let me pick from a list of device drivers on my computer.
Here’s the short version of the “long story” — and the fix that actually works when Windows Update fails: Open Device Manager