[ubuntu] Attaching external equipment broke the keyboard & touchpad

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http://ubuntuforums.org – My girlfriend has a Samsung NC20 laptop/netbook(/whatever), running Ubuntu 10.10. When she attached a Dell monitor her laptop touchpad stopped working. She's also found that attaching an external keyboard (a Dell rt7d50) has screwed with her laptop keyboard (doesn't register most of the keys at all, & some of the keys that did work weren't right -pressing 'y' gave '4' for example). However, on the login screen, the keyboard & touchpad both work fine. It's only when she logs in they mess up (rebooting, with & without the external attachments, hasn't fixed the issue). She also said (Hardware)