Have Dell Insiron 15 with BCM 4312 802.11b/ g LP-phy wireless

Patrick Newberry PNewberry at habitat.org
Wed Apr 24 02:06:52 UTC 2013

Oh sorry, forgot to add:

When I show software sources,

I have using Broadcom 802.11 linux STA wireless driver source from bcmwl-kernel-source (proprietary)

Underneath another icon says
Uknown: unknown
This device is using a manually installed driver
Do not use the device  is checked (the only option in this section is Continue using the manually installed driver.


From: ubuntu-users-bounces at lists.ubuntu.com [mailto:ubuntu-users-bounces at lists.ubuntu.com] On Behalf Of Patrick Newberry
Sent: Tuesday, April 23, 2013 10:00 PM
To: ubuntu-users at lists.ubuntu.com
Subject: Have Dell Insiron 15 with BCM 4312 802.11b/ g LP-phy wireless

Have a dell inspiron 15 with a bcm 4312 lp-phy wireless.

I've followed info on several pages per mr. Google such as


but have gotten to the point where I'm basically just confused :(

There appears to be no hard wire switch for this wireless, but on the F2 key is a wireless symbol for the Dell, but I don't think it does squat with linux.

I tried the  sudo modprobe -r b43 ssb wl

And got no wl found

When I type in iwconfig I get
Eth0 no wireless extensions
Lo  no wireless extensions

That's it

I tried various installs and uninstalls of mcmwl modules.
I do know that I have the low power version of the bcm 4312 wireless card.

Anyway, not sure where to go next.

I am running Ubuntu 12.10


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