I have a laptop, it’s a Dell Inspiron 15 [3000 Series] who’s wireless doesn’t work out the box.
This is how I installed the driver to get it working.
1, check which model of Broadcome you have
[paulmellors@sheldon ~]$ lspci | grep Network
06:00.0 Network controller: Broadcom Limited BCM43142 802.11b/g/n (rev 01)
2. Install RPM Fusion for your system from here
3. Install broadcom-wl
[root@sheldon paulmellors]# dnf install broadcom-wl
Reboot, and your wireless should be available now.
I use the i3 window manager, so I had to also install the network-manager-applet so I could load nm-applet, but it worked once I’d added the comment to the i3 config.