Few days ago I updated my laptop from 13.10 to 14.04 by reinstalling everything and I started having troubles with my Broadcom card. It was working well with previous version, so i don't know what is going wrong now.
By following wiki pages and other answers here is what i did:

  • found out my model, which is BCM43228 14e4:4359
  • installed dkms and bcmw-kernel-source from installation cd

At this point if I check with lsmod I see that module wl, which should be the one used by my card, is correctly loaded. I am able to connect to my network (after about 15 seconds), but the connection is extremely slow (can't even perform an apt-get update till the end).
What elese could I try? I need my laptop for my courses, so I would like to fix this issue as soon as possible. Thank you in advance.


I'm having the same problem and I'm about to try installing b43. Only do this if you are sure because I'm a total newb and I don't know what I'm talking about really. But basically I think this is an open source version. And that should be better because the developers can test and modify the drivers. Here is a guide to installing: http://www.howopensource.com/2012/10/install-broadcom-b43-legacy-wireless-driver-in-ubuntu-12-10-12-04/

If you haven't already read this: https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

Here is a totally different idea (rolling back the driver): How to downgrade Broadcom wireless drivers bcmwl-kernel-source?

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  • Thanks for your comment. Actually I reinstalled Ubuntu using a usb wifi dongle and enabling 3rd party software download, so it automatically selected the right driver (which is still wl, so I don't know what actually changed) and now it seems to work properly. I suggest you to do the same, with ethernet is even better (unfortunately my laptop has no ethernet port). – Pyrox Sep 30 '14 at 19:25

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