Q: I have an OLPC laptop with Ubuntu that I boot off a 2 GB flash drive. I have been doing this for about two months. Since yesterday after logging on the Ubuntu system for about five minutes, the mouse starts clicking uncontrollably. What should I do to stop this?
A: Are you sure it is a software problem, and not a hardware one? Enter sudo cat /dev/input/mouse0 into a terminal window, with the mouse completely still. If the mouse is working normally, it will be blank until you move the mouse. After you move the mouse, gibberish characters should fill the console. If the mouse passes that test, it is more likely a bug in the X server. Try running sudo dpkg-reconfigure xserver-xorg