| Problem | Solution | |---------|----------| | | Try a different USB port (avoid USB 3.0 if possible). Check if LED on dongle lights up. | | Driver installs but no Wi-Fi | Disable Windows Fast Startup (Power Options → Choose what power buttons do → Turn off fast startup). | | Code 10 / Code 43 error | Uninstall the device in Device Manager → Unplug → Reboot → Plug back in. | | Linux not working | Blacklist conflicting drivers: sudo nano /etc/modprobe.d/blacklist-rtl.conf → Add blacklist rtl8xxxu → Reboot with rtl8188fu module. | | Low speed or disconnects | Change USB Selective Suspend settings (Power Options → Advanced → USB settings → Disable). |
Driver and OS support