Install Ubuntu 12.04 on HP Compaq nc6120

When installing Ubuntu on a HP Compaq nc6120 I encountered some issues:

1. Hanging while booting cd
2. no WLAN

Reason: The Broadcom WLAN adapter (BCM4318)

lspci | grep Network
02:04.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)

What to do:

1. add to the start options (F6 – expert mode):
   

   b43.blacklist=yes

   before the --

2. now you can install ubuntu
3. reboot
4. In the grub options you habe to use the b43.blacklist=yes option again, because w/o this option Ubuntu hangs
   
5. deinstall this packages: bcmwl-kernel-source
6. install this packages: firmware-b43-installer and the b43-fwcutter
7. in /etc/modprobe.d/blacklist.conf put a # in front of the line: blacklist bcm43xx
8. reboot

Sources:
http://lists.infradead.org/pipermail/b43-dev/2012-March/002460.html
http://askubuntu.com/questions/55868/how-to-install-broadcom-wireless-drivers?answertab=votes#tab-top