16.04 - Prohibited alert sign popup when typing - Ask Ubuntu


i have ubuntu gnome 16.04 running on hp 250 g5 w4q07ea laptop. suddenly, in last few weeks, particular problem appeared. when i'm typing, prohibited sign pops , stops typing. when sign goes away, allows me continue typing normally. suggestions may causing issue , ways fix it?

image of problem

video of problem

finally found solution. laptop cooling pad causing problem. searching problem trying each 1 of external devices,(usbs, hdds, mouse, cooling-pad, etc.). have mouse on laptop, removed pad , works way it's supposed to. everyone.


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