no wireless

[akanzin]

Hello. I'm the new one, and I have prbl with wireless on my netbook Dell 1012. I was try a while and I've got this mesage:
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:05:00.0
logical name: eth0
version: 02
serial: 00:26:b9:a9:19:c2
size: 10Mbit/s
capacity: 100Mbit/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 autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:42 ioport:2000(size=256) memory:f0f20000-f0f20fff memory:f0f10000-f0f1ffff memory:f0f40000-f0f5ffff
*-network
description: Network controller
product: BCM4312 802.11b/g LP-PHY
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:07:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:17 memory:f0100000-f0103fff
*-network DISABLED
description: Wireless interface
physical id: 2
logical name: wlan0
serial: 70:1a:04:d5:44:36
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=b43 driverversion=2.6.38-8-generic firmware=N/A link=no multicast=yes wireless=IEEE 802.11bg
Can anyone help me to fix it? Thanks.