Vnc connection

can any one know , help me
vnc connection established successfully but click event not support
1)snapdragon 410c required root for click event for remote vnc ,i tried to root by kingoroot app but not succeed,it sudden off during root.
2)i want turn wifi on automatically too when board start so i easy to connection through vnc

what release are you using?

I installed vnc4server in 16.03 and I am having no problems.
This is my xstartup script.

root@linaro-alip:~/.vnc# cat xstartup
#!/bin/sh
startlxde-linaro &