Fix WiFi Issues on Ubuntu 24.04 LTS Linux

How To WiFi Issues On Ubuntu 24.04 LTS Linux

Follow Things To Do After Installing Ubuntu 24.04 LTS

$ apt update -y 
$ apt upgrade -y 
$ apt update -y
$ apt install build-essential checkinstall
$ apt install ubuntu-restricted-extras
$ apt install software-properties-common

Ensure the Wi-Fi Adapter is Recognized
$ lspci | grep -i network

Check for Wireless Drivers
$ lshw -C network

Install Missing Drivers
$ sudo apt update
$ sudo apt install bcmwl-kernel-source

Verify Network Manager is Running
$ sudo systemctl status NetworkManager
If it's not running, start it with:
$ sudo systemctl start NetworkManager

Check for Disabled Wi-Fi. Sometimes Wi-Fi can be soft or hard blocked. Check this with:
$ rfkill list

If you see "soft blocked" or "hard blocked" for the Wi-Fi adapter, unblock it with:

$ sudo rfkill unblock wifi

Reboot PC
$ sudo reboot

Logs and Diagnostics
$ dmesg | grep -i wifi
$ journalctl -xe | grep NetworkManager

Example Troubleshooting Commands

$ lspci | grep -i network
$ sudo lshw -C network
$ sudo apt update
$ sudo apt install bcmwl-kernel-source
$ sudo systemctl status NetworkManager
$ rfkill list
$ sudo rfkill unblock wifi
$ dmesg | grep -i wifi
$ journalctl -xe | grep NetworkManager