[Solved] ALPS detected PS/2 & Multitouch Gesture not working

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[Solved] ALPS detected PS/2 & Multitouch Gesture not working

Postby jadelord on Sun Jan 06, 2013 7:23 am

I use a Dell Inspiron 5420 and it was so frustrating to use the laptop with Linux until I figured out how to use. A lot of forums discuss this as a Kernel bug, but it is stuff.
The solution may have been posted before, but here are the instructions in full clarity.

For ease save the following in a .sh script file, using any text editor, make it executable by going to 'Properties' and run the file:
Code: Select all
#!/bin/sh
cd /usr/src/
sudo wget http://www.dahetral.com/public-download/psmouse-alps-dst-1.2.tbz
sudo tar jxvf ./psmouse-alps-dst-1.2.tbz -C /
cd /usr/src/psmouse-alps-dst-1.2
sudo dkms add .
sudo dkms build -m psmouse -v alps-dst-1.2
sudo dkms install -m psmouse -v alps-dst-1.2
sudo modprobe psmouse
echo -n "Installation complete"
read text


OR you could run the commands one by one.

I found the solution here http://askubuntu.com/questions/154770/alps-touchpad-on-dell-how-do-i-install-the-dkms-driver-to-enable-multitouch
which leads to the sites.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/606238/comments/152
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/606238/comments/147
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/606238/comments/144
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Re: [Solved] ALPS detected PS/2 & Multitouch Gesture not wor

Postby cipri_tom on Thu Jan 24, 2013 10:58 am

I do not know how to thank you enough for this.
It worked on my Dell N5110. Now I have scrolling! :D either two finger or on the edge. Brilliant! Thanks again!

Although I set my sensivity at maximum, the touchpad doesn't seem to be as responsive as before. maybe it's just me. What I mean is that it doesn't react if the area is not large enough, like using just the tip of the finger...
But anyway, I'm so happy I have the scrolling!
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