Не работает Wi-Fi на Acer Aspire 7710 (Ubuntu)

$ lspci | grep Wireless
0a:05.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)

$ sudo lshw | grep -i network -A 15
           *-network
                description: Ethernet interface
                product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@0000:02:00.0
                logical name: eth0
                version: 01
                serial: 00:16:d3:44:06:84
                size: 100Mbit/s
                capacity: 1Gbit/s
                width: 64 bits
                clock: 33MHz
                capabilities: pm vpd msi pciexpress 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=N/A ip=192.168.1.16 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
                resources: irq:300 ioport:2000(size=256) memory:c8000000-c8000fff memory:c0000000-c001ffff
--
           *-network UNCLAIMED
                description: Network controller
                product: BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller
                vendor: Broadcom Corporation
                physical id: 5
                bus info: pci@0000:0a:05.0
                version: 02
                width: 32 bits
                clock: 33MHz
                capabilities: bus_master
                configuration: latency=32
                resources: memory:d0004000-d0005fff
           *-pcmcia
                description: CardBus bridge
                product: PCIxx12 Cardbus Controller
                vendor: Texas Instruments
                physical id: 6

$ sudo modprobe -r b43 ssb
$ sudo modprobe b43