Dell inspiron 1420 安装Ubuntu 13.04 后无线网上不能用！

[cuim33]

Dell inspiron 1420 安装Ubuntu 13.04 后无线网上不能用！
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)
Subsystem: Dell Wireless 1395 WLAN Mini-Card
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f9ffc000 (64-bit, non-prefetchable)
Capabilities: <access denied>
Kernel driver in use: b43-pci-bridge
请各位大虾提供帮助！

[smallapple]

又是bcm4312
看看我的折腾过程
viewtopic.php?f=86&t=343638

[cuim33]

又是bcm4312
看看我的折腾过程
viewtopic.php?f=86&t=343638

谢谢，我弄好啦！
解决步骤：

1. sudo apt-get remove bcmwl-kernel-source

2. sudo apt-get install b43-fwcutter

3. sudo apt-get install firmware-b43-lpphy-installer

4. sudo reboot