I am a Ubuntu 18.04 system, there is a software upgrade tips, then go to the upgrade, the upgrade prompt search dog input method has problems, but did not care, and then run the android studio when computer stuck. Such a long time, no way, can only choose to manually restart the computer.
After the restart silly, enter the password desktop icons are gone, tried a variety of ways, are not resolved, finally https://askubuntu.com/questions/477542/ubuntu-14-04-only-wallpaper-and -a-mouse-cursor-is- showing
Find a solution
rm -r ~/.config
rm -r ~/.compiz
sudo restart lightdm Then enter sudo reboot
After the computer to normal ~ ~ ~
My feeling is updated Sogou input method there is a problem. Lead to Show Desktop Icons.
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There are many, such as a graphics card problem, it is necessary to re-install the graphics driver, on-line in many ways.
There is a re-install the desktop: https://blog.csdn.net/sinat_33718563/article/details/80249674