Optionally, you can provide some info for us (about your laptop/hardware) and we can walk you through what to do. Might need to play around with the network manager (GUI is fine) to get it all up and running. If you can figure out what WiFi card you have on your laptop, you can figure out the driver and install if via apt from the terminal. What you see there won’t match exactly for what you need or see, but it will give you an idea of what you need to get WiFi working. You can connect your laptop directly to your router via an Ethernet cable just for that part. You will need a wired connection to get the driver for your WiFi NIC that’s on your laptop. You will need a wired connection to your router somehow either way. If you get it, might need a reboot to get it working. Download, Install, and Update Dell Network Adapter Drivers on Windows 10: Performed. Also Read: Download Realtek Wifi Driver for Windows 10, 8, 7 PC. The post has included the four easy but effective methods to run Dell Network driver update. Honestly can’t remember since I’ve always done it via terminal on my stuff. Download and Update Dell network adapter driver for Windows 10.

Once you get connected to the internet via the Ethernet cable (connect it to your router), you can go to Additional Drivers as shown above and there should be something there for WiFi/network.

Update wifi drivers