Not sure what caused this, but my ThinkPad X220 touchpad has quit responding. This is definitely a software issue: The touchpad works fine when I boot from a thumbdrive.)
Circumstances:
Using 12.04, I ran an update from Update Manager (a bunch of them, didn't pay much attention to the contents) yesterday.
Later, upon opening the laptop, I got a black screen with a cursor arrow, which I could move around the screen using touchpad. No amount of sleeping/waking restored the screen, so I had to do a hard reboot with the on/off button. (This happened once before, and after the reboot that time nothing appeared to be damaged.)
When I got back to the desktop this time, the touchpad had stopped working. I uninstalled Synaptiks and reinstalled it, no effect.
Meanwhile, the TrackPoint still works, so I'm not dead in the water. But I'd prefer to be using the touchpad, as I've become semi-addicted to two-finger scrolling.
So my question is:
Will it help to uninstall everything having to do with the touchpad -- what packages would they be? -- and then reinstall them? (I don't want to disable mouse/TrackPoint, obviously.)
Or is there something else I should try?
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