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I'm using a laptop with built-in touchpad that's working in Windows 7. But after I switched to Ubuntu 12.04 LTS, it seems to not working now. Any solutions?

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can you check whether it is on? more info here: askubuntu.com/questions/257035/… –  don.joey Feb 28 '13 at 12:05
I have enable it, but it's still not working. –  Herks Feb 28 '13 at 12:11
I had a similar issue on 12.04.02. Press Ctrl+Alt+T to open a terminal and paste those commands to check if they solve your problem: sudo modprobe -r psmouse && sudo modprobe psmouse proto=imps –  Salem Feb 28 '13 at 13:19
Thanks, it's working now. –  Herks Feb 28 '13 at 13:20
@Salem please turn your comment info an answer.. –  don.joey Feb 28 '13 at 14:08

1 Answer 1

up vote 35 down vote accepted

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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Yess! Had same problem and using Google came here and this solution worked. Thanks! –  Tõnu Samuel Sep 14 '13 at 5:03
Works perfectly in my asus! Thanks! –  thameera Sep 24 '13 at 17:55

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