Compaq Evo N410c Hardware Manual page 32

Pointing Devices and Keyboard
Adjust Screen Brightness (Fn+F10)
Press
Fn+F10
Click and drag upward on the slide bar to increase screen
brightness or downward to decrease screen brightness. You also
can adjust the brightness with the left and right arrow keys.
Display System Information (Fn+esc)
Press
Fn+esc
components and software version numbers.
Press
Fn+esc
from the screen.
✎
In some operating systems, the System BIOS date, which may
display in a decimal format, is the version number of the
system ROM.
3–6
to display the screen brightness control slide bar.
to display information about system hardware
a second time to remove the system information
Hardware Guide