Wifi card Bradcom BCM4312 is detected but cant find any network at Fedora 24

asked 2016-09-21 12:28:29 -0500

Walker82 gravatar image

Hi. I'm using Fedora 24 in a Dell Inspiron 1440 with Broadcom BCM4312 wifi card. After installing fedora, my wifi card was not detected out of box. I had to do a lot of google research before I found this page and follow it instructions. After reboot, my wifi card was finaly detected but it cannot see any network. When I select "select network" it shows an empty list with the message "no networks". I know there is at least twot networks that I can see and connect through my smartphone.

$ lsmod | egrep 'b43|wl'
  wl                   6447104  0
  cfg80211              569344  1 wl
$ dmesg | grep b43
$ sudo iwlist scan
  wlp12s0   Interface doesn't support scanning : Invalid argument
  lo        Interface doesn't support scanning.
  enp0s29f7u3  Interface doesn't support scanning.
  enp9s0    Interface doesn't support scanning.

Any tips?

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What is the output of lspci | grep -i net?

ssieb gravatar imagessieb ( 2016-09-21 13:24:54 -0500 )edit

$ lspci | grep -i net

  0c:00.0 Network controller: Broadcom Limited BCM4312 802.11b/g LP-PHY (rev 01)

Thank you, Samuel-Sieb

Walker82 gravatar imageWalker82 ( 2016-09-21 14:24:16 -0500 )edit

Do you have a USB ethernet device connected? I'm wondering what the enp0s29f7u3 interface is, but that's most likely irrelevant.

In a terminal as root run journalctl -fa. In another terminal as root run modprobe -r wl and modprobe wl and see if anything interesting shows up in the journal.

ssieb gravatar imagessieb ( 2016-10-03 14:13:43 -0500 )edit