If your PC has a backlit keyboard, press the F5 key on the keyboard to turn the light on or off. (It might be necessary to press the fn (function) key at...
ONN Internet Journals - Press the F5 button when you want to Refresh your computer. The button works for every computer program that you are currently working on, it does not refresh
How to refresh the computer why need This? F5 Key Tutorial. {Hindi} - YouTube
F5 and play pause key on a laptop keyboard Stock Photo - Alamy