"Enable Wireless" is gray on ubuntu 11.10 (Dell Vostro 1520)

[Tab Gilbert]

description: Wireless interface
      product: BCM4312 802.11b/g LP-PHY

I am no expert but I am pretty sure you need to install

--fwcutter is a tool which can extract firmware from various source files.
It's written for BCM43xx driver files

which is available in the Ubuntu Software Center.

tab


On Fri, Nov 25, 2011 at 18:17, Peng Yu <pengyu.ut at gmail.com> wrote:

> On Fri, Nov 25, 2011 at 6:03 PM, Peng Yu <pengyu.ut at gmail.com> wrote:
> > Hi,
> >
> > I installed ubuntu 11.10 on Dell Vostro 1520. When I click on the up
> > and down arrows on the top bar, I see "Enable Wireless" menu item is
> > gray. Is it because the wireless network card is not properly
> > recognized by ubuntu? Does anybody know how to fix the problem?
>
> I have the following output of these commands.
>
> ~$ sudo lshw -C network
>  *-network
>       description: Ethernet interface
>       product: RTL8111/8168B PCI Express Gigabit Ethernet controller
>       vendor: Realtek Semiconductor Co., Ltd.
>       physical id: 0
>       bus info: pci at 0000:08:00.0
>       logical name: eth0
>       version: 03
>       serial: 00:24:e8:9c:24:44
>       size: 100Mbit/s
>       capacity: 1Gbit/s
>       width: 64 bits
>       clock: 33MHz
>       capabilities: pm msi pciexpress msix vpd bus_master cap_list
> rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt
> 1000bt-fd autonegotiation
>       configuration: autonegotiation=on broadcast=yes driver=r8169
> driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168d-1.fw
> ip=192.168.1.116 latency=0 link=yes multicast=yes port=MII
> speed=100Mbit/s
>       resources: irq:47 ioport:4000(size=256)
> memory:fe004000-fe004fff memory:fe000000-fe003fff
> memory:fe020000-fe03ffff
>  *-network DISABLED
>       description: Wireless interface
>       product: BCM4312 802.11b/g LP-PHY
>       vendor: Broadcom Corporation
>       physical id: 0
>       bus info: pci at 0000:0e:00.0
>       logical name: eth2
>       version: 01
>       serial: 00:24:2c:a1:1a:30
>       width: 64 bits
>       clock: 33MHz
>       capabilities: pm msi pciexpress bus_master cap_list ethernet
> physical wireless
>       configuration: broadcast=yes driver=wl0
> driverversion=5.100.82.38 latency=0 multicast=yes wireless=IEEE
> 802.11bg
>       resources: irq:18 memory:f6000000-f6003fff
>
> ~$ iwconfig
> lo        no wireless extensions.
>
> eth0      no wireless extensions.
>
> eth2      IEEE 802.11  Access Point: Not-Associated
>          Link Quality:5  Signal level:0  Noise level:0
>          Rx invalid nwid:0  invalid crypt:0  invalid misc:0
>
>
>
> --
> Regards,
> Peng
>
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