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Anything with an F on it has to be used in conjunction with the depression of the Fn key in unison. Anything else will be controlled by either the shift in unison or with the control key in unison with the desired key.
Compaq Presario computers provide users with a row of
function keys for added keyboard functionality. Function keys can serve a dual
purpose as well.
Function keys are located at the top of Compaq Presario
By learning how function keys work on a Compaq Presario you
can take advantage of time saving keyboard shortcuts.Purpose
Use function keys to access menus, save changes and create
Various applications, including Microsoft Office, allow you
to select a function key as a shortcut key for running specific tasks. These
settings are usually found under the Tools, Settings or File menu.
Each Compaq Presario computer has twelve function keys.
The most common used keys are "F2,"
"F8," "F10" and "F12."
The first three are used mainly to access and use the Compaq
BIOS. "F12" is used to access a set of run from options during the
How to Access
Access function keys on a Compaq Presario by pressing any
of the keys on the top row of the keyboard. Access the key's dual purpose by
first pressing the "Fn" key located on the bottom row of keys.
Use function keys as shortcut keys by pressing them anytime
while in the desired application. Remember, you must set them as shortcut keys
Note that some programs may already have certain function
keys set as shortcuts.
Open menus and view the shortcut keys beside each menu item
before setting your own shortcuts.
Each function key has a dual use. Press "Fn" plus
the desired function key for the key's other use.
Below each function number is a small picture within a
square or rectangle.
This dictates the dual use. "F1" opens help and
support. "F2" serves as a printer shortcut.
Open your homepage by pressing "F3."
If you use dual monitors, switch between monitors by using
"F4." "F5" puts your computer in stand-by mode.
Quickly lock your computer by pressing "F6."
"F7" and "F8" adjust the screen's contrast.
Play and pause your music in Windows Media Player or other
default media player by using "F9."
Press "F10" to stop playing media. Skip ahead or
rewind media by using "F11" and "F12."
Other "Fn" Keys
In addition to function keys, the "Fn" key is also
provides other keys with a dual use.
Any key with a small square on the key has a dual purpose
such as the "scroll," "insert" and "delete"
Since laptop keyboards have no number pads, certain keys
serve as the number pad by pressing the "Fn" key.
Fn + F1
Change Display Device.
Fn + F2
Fn + F3
Fn + F4
Decreases brightness on the integrated display only (not on an external
Fn + F5
Increases brightness on the integrated display only (not on an external
Fn + F6
Keyboard backlit(available only if a backlit keyboard is
Fn + F7
Fn + F8
Decrease audio Volume.
Fn + F9
Increase audio Volume.
Fn + F10
CD Previous - Play previous media file.
Fn + F11
CD Play/Pause - If there is Audio CD in system, Media player will play
Fn + F12
CD Next - Play next media file.
At the top of the keyboard are the LCD function keys (F9 - F12). Press and hold the function key (FN, next to the left alt key) and press F10. Use the up and down arrows to change the time. Press FN + F10 again to change between hours, minutes, month etc.