Locate your wireless adapter. If it lacks a driver, it will typically appear under as an "Unknown device" or "802.11n WLAN Adapter" with a yellow warning triangle. Right-click the device and choose Update driver . Select Browse my computer for drivers .
Solution: Reinstall the driver. Go to , right-click the device, choose Uninstall device , check "Attempt to remove the driver for this device," then restart your PC. Windows 11 should reinstall the driver automatically. Low Wi-Fi Speed or Disconnection: Locate your wireless adapter
The Realtek 8723DU is not a new chip. While Windows 10 drivers exist, Windows 11’s stricter driver signing and updated network stack often break compatibility. The default Microsoft driver might give you internet for 5 minutes before dropping the connection, or it may refuse to see any networks at all. Select Browse my computer for drivers