If you are reading this, chances are you have a laptop (likely an HP or Lenovo) that runs on the Realtek RTL8723DE Wi-Fi card. And chances are, it isn't working right out of the box.
After spending six hours compiling broken GitHub repos, I found the only reliable solution. Open a terminal (using a USB tether or Ethernet) and run: realtek rtl8723de 802.11b g n pcie adapter driver
sudo apt update sudo apt install git dkms build-essential git clone https://github.com/lwfinger/rtlwifi_new.git cd rtlwifi_new git checkout extended sudo make install sudo modprobe -r rtl8723de sudo modprobe rtl8723de Here is the secret that nobody tells you: The RTL8723DE often suffers from "ant_gain" issues. If you have Wi-Fi but the signal is 1 bar right next to the router, run this: If you are reading this, chances are you