I am running Lubuntu 16.04.3, These are the steps which fixed the icons on dolphin for me:
1) sudo apt-get install oxygen5-icon-theme libqt5libqgtk2 2) Menu -> Preferences -> Customize Look and Feel -> Icon Theme -> Click on Oxygen -> Apply
:-)
I am running Lubuntu 16.04.3,
These are the steps which fixed the icons on dolphin for me:
1) sudo apt-get install oxygen5-icon-theme libqt5libqgtk2
2) Menu -> Preferences -> Customize Look and Feel -> Icon Theme -> Click on Oxygen -> Apply
:-)