System Settings will lose icons if the Appearance > Theme is set to High Contrast. The Launcher can also lose some icons. Changing back to the default Ambiance will restore icons after a while but not necessarily immediately.

How can High Contrast be used without the loss of icons?

This pertains to Ubuntu 16.04.


This is a bug there where the fix was just released days ago !

Ugrade your packages to these versions and it should fix your issues

gnome-themes-standard | 3.18.0-2ubuntu2
gnome-accessibility-themes | 3.18.0-2ubuntu2

However, these are in the repository xenial-proposed currently.

You might want to add the following with your favourite editor

sudo nano /etc/apt/sources.list

replace "us" with the country where you are

deb http://us.archive.ubuntu.com/ubuntu/ xenial-proposed main universe multiverse

then update

sudo apt-get update

and to upgrade only these packages do

sudo apt-get install gnome-themes-standard gnome-accessibility-themes

then i would suggest to comment out the proposed reposoitory, as to not upgrade other packages

sudo nano /etc/apt/sources.list

add a # before the line

#deb http://us.archive.ubuntu.com/ubuntu/ xenial-proposed main universe multiverse

and update again

sudo apt-get update

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