Before diving into solutions, verify that your issue is driver-related. Common symptoms include:
If you see any of these, follow the methods below.
Troubleshooting Tips
Conclusion
Updating the WIS09ABGN driver on Windows 10 can resolve various wireless connectivity issues. By following the methods outlined in this article, you should be able to install or update the driver successfully. If you're still experiencing issues, consider seeking further assistance from the manufacturer's support team or a professional technician. wis09abgn driver windows 10
| Problem | Solution | |--------|----------| | Driver installs but Wi-Fi doesn’t work | Disable Driver Signature Enforcement (Shift + Restart → Troubleshoot → Startup Settings → Disable driver signature enforcement). | | Code 10 (Device cannot start) | Uninstall the device, restart, and reinstall using Method 2. | | Adapter disappears after sleep | In Power Options → Change plan settings → Change advanced power settings → Wireless Adapter Settings → Set to Maximum Performance. | | 64-bit driver not available | Use the Ralink RT5390 driver – it shares the same .inf and often works for wis09abgn. |
Microsoft removed native support for many older Ralink chipsets starting with Windows 10 version 1709 (Fall Creators Update). While Windows 7 and Windows 8.1 automatically recognized the RT3070/RT5370 chipset, Windows 10 requires a specific signed driver from 2015 or later. Before diving into solutions, verify that your issue
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.
Provide either:
Method A — Standard installer (EXE or MSI)
Method B — Manual install via Device Manager (INF) If you see any of these, follow the methods below