Hi, I use a HP EliteBook equipped with an Intel Centrino Advanced-N 6205 network adapter, it uses the iwlwifi module, on Ubuntu 12.04. I often cannot connect to my wireless network. Other computers connect without problems. It is not reproducible, but it occurs, say once per week. If it doesn't connect, nothing helps, not even a reboot. I find the following messages in my syslog: Aug 6 15:34:49 dejon NetworkManager[1042]: <warn> (wlan0): DHCPv4 request timed out. The more detailed syslog is attached. DHCP works for all other computers. If I connect this computer via cable it also works without problems. So it seems to be related to this particular computer and its wireless configuration. But I have no clue how to investigate further. Any ideas what might be the cause? Marco
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syslog
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