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I'm trying to get my broadcom wireless adapter working, ubuntu MATE 18.04.

Running lshw -C network shows e.g.

product: BCM4321 802.11a/b/g/n
logical name: wlp3s0
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271

Running

rfkill list all

Does not show my wireless being soft or hard blocked.

Running lspci shows that my hardware is Broadcom Limited BCM 4321 802.11 a/c/g/n (rev 05)

So the proprietary driver seems to be installed, hardware is fine AFAICT, but running sudo iwlist wlp3s0 scan yields no results, and the 'wireless networks' option on the network applet is greyed out. I don't hide my SSID, it just seems like I can't connect to any networks. Wrong driver perhaps? How can I tell?

Also, the computer is a 2009 Mac Mini if that matters.

Jared Smith
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  • I don’t think bcmwl-kernel-source is correct for your device. – chili555 Oct 23 '18 at 20:32
  • @chili555 I hit the "Install 3rd party drivers" option during the install, that's the one that it installed. Since apt list | grep bcm didn't turn up anything else I didn't think too much about it. I'll look up my actual hardware in the list and see if I can get the correct driver installed. – Jared Smith Oct 24 '18 at 11:11
  • @chili555 it was the firmware-b43-installer. Thanks for that link, it didn't turn up in my google searches and the stack exchange auto-suggester didn't bring it up when I was writing the question. – Jared Smith Oct 26 '18 at 15:58

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