Go to the device's in Device Manager and click the Advanced tab.
This usually indicates a mismatch between the security protocols of your modern router and the capabilities of the aging 802.11n driver.
What is the current listed in your Device Manager? Share public link Go to the device's in Device Manager and
: This is the safest manual source for official drivers. Search for Microsoft Update Catalog to find versions compatible with Windows 10 and 11. Windows Update
Many users have success with a community-maintained driver. Share public link : This is the safest
Is your Realtek 8723DU an (built into a laptop/mini PC) or an external USB dongle ?
Legacy adapters on modern operating systems can run into performance quirks. Use these troubleshooting steps to fix common points of failure. Issue 1: Frequent Disconnections or Dropped Signals Is your Realtek 8723DU an (built into a
Windows 11 may aggressively turn off the USB port to save power, failing to wake the network adapter back up when the system wakes from sleep. Step-by-Step Guide to Download and Install the Driver