Before Icon Brightness was appearing Hotkey (FN+Arrow Right) Whenever i wanted to change my brightness the icon appears on right side of Ubuntu.
But then it suddenly stopped working, it was changing the Icon to lower brightness or upper, without brightness effects to screen.
After i changed:
Now problem was resolved whenever i hit hokey brightness was changing, but without brightness indicator Icon??
How can i bring back brightness indicator whenever i change brightness it indicates "Line of Brightness" it is.??
My Laptop: Acer Aspire E1 570G Ubuntu 14.04
Thanks for HELP!