I have an HP Notebook 15-rb001ne laptop with Realtek RTL8723BE internal WiFi card and I have installed Ubuntu 18.10 on the laptop and I can say that everything looks good and the system is working smoothly except one thing, the internal WiFi card.
When I go to Settings, there is no WiFi menu even if the aireplane mode is disabled, but when I type sudo lspci -v
command in the terminal and press Enter, the internal WiFi card is listed with all its details and features and when typing uname -r, the kernel version is 4.18.0-12 generic.
How can I install the correct driver to get the WiFi card working?
How can I fix this problem without having to buy an external WiFi card?
sudo modprobe rtl8723be && dmesg | grep rtl