Multitouch two-finger scrolling/pinch zoom no longer working?
I purchased my laptop - Samsung 350V5C-A06 - just a couple of days ago. I am using Windows 8 as standard, with a Synaptic multitouch touchpad. However, I discovered today that two-finger scrolling is no longer working, as well as pinch zoom. I went
on to the Synaptic Control Panel and both of these options were ticked. In reality, however, it does not respond to the normal gestures.
I have not made any changes to my laptop in between.
I searched for a newer drive (through the Windows Control Panel) and it said it was updated. I don't know where to go from here and ideally do not want to download 3rd-party software as these are features which were working only yesterday.
I tried Method 1 to no avail. For method 2: Because this laptop is brand new I don't have any recovery points except for the day I bought it - the 2nd January. As I have quite a bit saved I would prefer to do that as a last resort if possible; I'm hoping
it's just a setting I have accidentally turned off or something.
1. I don't know what you mean. I think the rest of the touchpad works fine.
2. I do not. The status is: "This device is working properly." Furthermore, it is up to date and its events go way back into 2012 when I had nothing to do with it.
3. I haven't updated it (to my knowledge)
4. I haven't done anything to the computer (again, to my knowledge) except downloading standard programs and some apps, but I don't see how these could be the problem.
For me a reboot- that is a complete shutdown and cold boot with no hibernate, will clear the problem, but then if I allow the machine to sleep or hibernate again, the problem will return.
No problems in the device man, nothing in the troubleshooter, however, the synaptics software is not recognising the device as a touchpad and complains about the touchpad not being installed.
Having a slight suspicion here - I used taskman to locate, and kill any synaptics pointing device processes, and then started the synaptic software again - first by starting "synaptics info", then the "synaptics settings". This seems to work which indicates
there is some kind of unclean state in the synaptics pointing device helper that is causing this. The settings version I have says "Synaptics Touchpad 7.5". Looking on the net - synaptics do not offer software to end users - it is down to the OEM's (read your
laptop brand) to integrate and update them.
However - my machine is a Samsung laptop, and there own SW Update tool does show a touchpad update - so I'll see if that remedies the problem - if not - at least killing that process and forcing it to start gives me a workaround.
For the windows Gurus - does the touchpad have some kind of unique device instance (not model) ID in the HAL somewhere, and is this possibly not retained (ie given a new one) between sleep/starting states?