I'm using a laptop with built-in touch-pad that works in Windows 7. But after I switched to Ubuntu 12.04 LTS, it's not working now.
1 Answer
This seems to be a bug in 12.04.2. As stated in comments, a simple fix would be unloading the mouse driver and load it again like this:
sudo modprobe -r psmouse
sudo modprobe psmouse proto=imps
This only keeps the touchpad working on this session. To make it permanent one can create a file like /etc/modprobe.d/psmouse.conf
(you can choose the name you want, but you must keep the extension) with the following content:
options psmouse proto=imps
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2This still happens in 14.04 but this fix still fixes it although I can't get it to execute on start of the machine so I am currently stuck running it manually each time... Mar 4, 2015 at 16:40
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1I came across this issue upgrading from 16.04 to 18.04 on a Dell XPS 13. However: The edit to add psmouse.conf does not work, the fix does not stick after a reboot.– irwinrJul 6, 2018 at 7:50
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1Had the same issue with 18.04 on Dell XPS 13. Unloading psmouse removes scrolling and stuff though :( Dec 14, 2018 at 20:01
sudo modprobe -r psmouse && sudo modprobe psmouse proto=imps