how do I dim my HP laptop screen?

[faraboverubies3]

I need help. Please see the title of this thread.

 

[Dark Lord of Tech]

HP states:
To make the display brighter, hold the fn key on the keyboard and press the f10 key repeatedly, or this key . Or.
To make the display dimmer, hold the fn key on the keyboard and press the f9 key repeatedly, or this key .