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I have found this solution from a thread a while ago but its temporary fix only:

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

~~ Salem's answer to Synaptic touchpad on laptop not working

My question is how to make a permanent file like he was talking about. I don't have any idea how to do that in Ubuntu.

That answer (sudo modprobe -r psmouse && sudo modprobe psmouse proto=imps) works on my 12.04 system but after I have shut down my laptop the weird problem comes back. I don't really know how to make the solution permanent because what he said was that it is just a temporary fix.

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  • Cheers sir @Eliah hehe~~
    – Jdx Bro
    Aug 1 '14 at 4:00
0

Open a Terminal by type CTRL + ALT+T

Copy and paste this

echo "options psmouse proto=imps" | sudo tee /etc/modprobe.d/psmouse.conf

Enter your password, and you should be good to go.

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  • Sir after i hit my password i don't see any progress and when i try to exit the terminal it says that there is a process running..How would i know if its done or if its really processing?Does it really takes time?Thanks~ @ElefantPhace
    – Jdx Bro
    Aug 1 '14 at 3:21
  • ls /etc/modprobe.d/ | grep psmouse should output psmouse.confand no it takes no time at all. What process does it say is still running? Aug 1 '14 at 3:25
  • here's what i did i typed the echo "options psmouse proto=imps" then it shows: options psmouse proto=imps Afterwards i typed the sudo tee /etc/modprobe.d/psmouse.conf then i entered my password then nothing follows it shows nothing and when i try to close it, it says theres still process running but i dont know which process was that says still running.. Im confused xD
    – Jdx Bro
    Aug 1 '14 at 3:36
  • Close that terminal and start over. Don't separate. Copy and paste it exactly as I posted Aug 1 '14 at 3:37
  • Alright I think its okay now. Thanks for the help sir! Cheers~
    – Jdx Bro
    Aug 1 '14 at 3:57

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