trackpad freezes after suspend

Question

after i suspend my computer, my track-pad is non-responsive. the keypad, however still works.

i have tried the solution offered here http://ubuntuforums.org/showthread.php?t=2182922

and here Keyboard and mouse unresponsive after suspend

since i have the same exact problem when i try to use tails with this computer, i wonder if it's something with the track-pad driver?

ubuntu 16.04 xenial lenovo yoga 900

thanks so much

Answer 1

try this:

sudo modprobe -r psmouse
sudo modprobe psmouse

Answer 2

Try switching to tty Ctrl+Alt+F1 and back with Ctrl+Alt+F7.