In specific administrative scenarios where Lenovo utilities are restricted, the Windows Update system delivers generic WHQL-certified Realtek drivers that provide stable, baseline operational capability.
Uncheck "Allow the computer to turn off this device to save power." C. Update Network Firmware (Router Side) realtek rtl8852be wifi 6 802.11ax pcie adapter lenovo
# For older kernels (<6.2), compile out-of-tree driver git clone https://github.com/lwfinger/rtw89.git make && sudo make install Perform a hard EC (Embedded Controller) reset
In short, the Realtek RTL8852BE can get the job done, but it's a card you endure, not one you desire. unplug the power charger
Perform a hard EC (Embedded Controller) reset. Shut down your Lenovo laptop, unplug the power charger, press and hold the physical power button down for a full 60 seconds , then reboot normally to force Windows to re-enumerate the hardware bus. Slow Speeds on 5 GHz Bands The Cause: Outdated router firmware or channel congestion.