Installing Ubuntu 10.04 (Lucid Lynx) on a ThinkPad X220

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Wireless

In order to get wireless to work (it did not connect to any AP on my machine), you have to create the file /etc/modprobe.d/intel-5300-iwlagn-disable11n.conf with the following content:

options iwlagn 11n_disable=0

Then reload the wireless driver:

sudo modprobe -r iwlagn
sudo modprobe iwlagn