HP Compaq Presario,Presario V4000 Hardware And Software Manual page 66

Decrease Brightness (fn+f7)
The
fn+f7
The longer you hold down the
dims. Decreasing screen brightness conserves power.
To increase screen brightness, press the
Increase Brightness (fn+f8)
The
fn+f8
screen. The longer you hold down the
the screen brightens.
To decrease screen brightness, press the
Media Activity Hotkeys (fn+f9 through fn+f12)
The 4 left-hand buttons control media activity. The
3 right-hand buttons control volume.
The following 4 media activity hotkeys can be used to control the
play of an audio CD or a DVD.
To control the play of a video CD in Windows, use the media
activity controls in your Windows video CD player application.
In Windows, you can also control the play of an audio CD, a
DVD, a video CD, or an MP3 file by using the media activity
buttons on your notebook.
Hardware and Software Guide
hotkey decreases the brightness of the notebook screen.
hotkey increases the brightness of the notebook
Keyboard and TouchPad
hotkey, the more the screen
fn+f7
fn+f8
hotkey, the more
fn+f8
fn+f7
hotkey.
hotkey.
3–11