Fix Realtek RTL8822BE WIFI Adapter Not Working Error Code 10/43/45/56/39 Windows 11/10 PC

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Published on July 13, 2025 12:00:00 AM ● Video Link: https://www.youtube.com/watch?v=2G891ajWhh8

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Step 1) Run these commands
ipconfig/flushdns
ipconfig /release
ipconfig /renew
netsh winsock reset
netsh int ip reset
Step 2) Perform Power cycle- Shut down your computer, unplug the power cable for 1-2 minutes, turn off WIFI router, wait for few seconds and restart your WIFI router, connect the power cable back to PC and then restart your computer
Step 3) Disable and enable network adapter
Step 4) Start WLAN AutoConfig service
Step 5) Perform network reset (Make sure you have the WIFI password)
Step 6) Reinstall Network Driver (Make sure you have the WIFI password)
Step 7) Install Wireless driver from your system manufacturer website, connect Ethernet cable and go online, in case you don’t have Ethernet cable or computer does not have an Ethernet port then use another computer with internet access and download the wireless driver to the USB flash drive/hard drive and use the USB flash drive/hard drive to install the wireless driver to the faulty computer.
Step 8) Reset your PC (Reset may result in data/Apps loss so create a backup before the reset)