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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.
you can use this key to refresh the active window of a webpage or Windows Explorer. In Microsoft word when you press this key, you can go to Find and
replace window. Pressing SHIFT + F5 is helpful for moving to previous revision
To restore the windows size you can press CTRL + F5 To quit the Word program you can simply press ALT + F5
You can change Frames or pane in Windows Explorer or a Webpage by pressing F6. In Microsoft word, pressing F6 will go to the next pane or frame.
SHIFT + F6 will take you to the previous pane or frame.
CTRL + F6 will help you to go to the next window.
CTRL + SHIFT + F6 can be used to go to the previous window
Hope you find this information helpful.
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1. try to do system restore first from the time system was working fine. reboot system. if fails. 2. update your anti virus then run a full system scan. reboot system. if fails. 3. update the bios. download the latest bios for your system from the dell support drivers and download section. reboot system. if fails. 4. reseat the keyboard cable. if fails. 5. reinstall the OS. if fails 6. replace keyboard.
There should be a function key that is a light blue on the lower left. Hold that down and hit the NUM lock key at the upper right.
What happened is that you turned the numlock on just like on a regular keyboard but on a laptop, its a secondary function key where the letters double as numbers when the function numlock is turned on.