昨天我在基于 Intel 的 iMac 上安装了 Ubuntu。但是，安装后发现 Ubuntu 无法使用内部 Airport Extreme 卡连接 WiFi。我该如何解决这个问题？
该命令lshw -C network告诉我：
*-network
description: Ethernet interface
product: MCP79 Ethernet
vendor: NVIDIA Corporation
physical id: a
bus info: pci@0000:00:0a.0
logical name: enp0s10
version: b1
serial: 00:25:4b:b1:8f:e2
size: 100Mbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 66MHz
capabilities: pm msi bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=forcedeth driverversion=0.64 duplex=full ip=192.168.0.27 latency=0 link=yes maxlatency=20 mingnt=1 multicast=yes port=MII speed=100Mbit/s
resources: irq:27 memory:93586000-93586fff ioport:21e0(size=8) memory:93589000-935890ff memory:93589300-9358930f
*-network
description: Network controller
product: BCM4322 802.11a/b/g/n Wireless LAN Controller
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:04:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:18 memory:93200000-93203fff