unity - My mouse starts acting like it can't click on things? - Ask Ubuntu

this fresh install of ubuntu. 1 monitor works perfect. when switched away default driver use 2 monitors started acting funny. after while on computer mouse stop working when click new window. have backtrack last window was, close (or dock window want type in, in case of ff tab) , use mouse or keyboard. after starts doing it'll few minutes until you've tied proverbial click knot , have manually restart computer. i've tried using 3 drivers here issue happens on of them.

i used cubby's post here. worked:

sudo apt install --reinstall inputattach 

edit this fixed it.

compiz --replace & unity --reset 

it's still broke. thought things fixed didn't. breaks after couple minutes. takes couple hours. when happens can type in 1 window click in another.

update - it's couple weeks later , i'm still having problem. under additional drivers > nvidea corporation there new version of nvidea binary driver i'm using. believe it's 375.0 not going check because doing cause issue start happening. tried switching hdmi cables left monitor right , vice versa didn't work. thing helps @ all, sometimes,

ctrl + alt + t unity --replace 

half time works. other half have restart computer. on forums problem users mouse checked different mouse , same problem.

can please?