[ubuntu] Touchpad tab disappeared from Mouse settings

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http://ubuntuforums.org – Hi all, I recently installed Ubuntu 12.04 LTS (64 bit) on my Samsung Series 9 NP900X3B (dual boot with Windows). After the install the touchpad was working out of the box but the right click didn't seem to work after some time, so I found this command on a different thread and ran it: echo options psmouse proto=exps > /etc/modprobe.d/psmouse.modprobe After this the right click worked okay, but the two-finger scroll was disabled and I found out that the entire Touchpad tab from Mouse and Touchpad Settings was missing. Here's what I get from xinput list: ⎡ Virtual core pointer (Hardware)