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From time to time, the Synaptics touchpad on my Samsung N145 Plus will lose "advanced features", like scroll area on the right side. I used to have a script to take care of this, IIRC by doing

sudo rmmod psmouse
sudo modprobe psmouse

But now, this workaround is not working. Enabling and disabling the touchpad via the hotkey doesn't work, either. The problem is also wider, because the physical second (right) button and tap-to-click are also disabled. I am using CrunchBang Linux, based on Debian 7 wheezy.

grep "TouchPad: buttons:" /var/log/Xorg.0.log

gives synaptics: SynPS/2 Synaptics TouchPad: buttons: left right double triple and

synclient -l

gives, among other things,

TapButton1              = 0
EdgeMotionUseAlways     = 0
VertEdgeScroll          = 0

How can I re-enable the right button, tapping for left-click and vertical soft-scrolling on the touchpad, without resorting to a reboot?

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Welp, I was able to put together a new script to run when this happens. It looks like

synclient TapButton1=1
synclient EdgeMotionUseAlways=1
synclient VertEdgeScroll=1

The physical right click fixed itself.

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