No Ethernet network after new installation

I installed Zorin Pro as the only system of my PC, and there is no ethernet. I tried to access network using usb tethering with my phone, but it doesn't work. What should I do? The system works perfectly with my laptop but not my PC.

What is the terminal output of

sudo lshw -c network

OR

sudo apt install inxi && inxi -N

If you use your phone to download .deb files, you can transfer them by usb cable (faster than Bluetooth) and get your system right. We will need to have your network card specs in order to help you find the driver you need and the instructions to install it. Please answer aravisian's recommendations and then we can assist you in getting the card working.