HP Compaq Presario,Presario CQ57-210 Getting Started page 18

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10 Chapter 2 Getting to know your computer
esc key
Function keys
num lk key (select models only)
Integrated numeric keypad (select models
only)
fn key
Windows logo key
Windows applications key
Description
Displays system information when pressed in combination
with the fn key.
Execute frequently used system functions when pressed in
combination with the fn key.
Alternates between the navigational and numeric functions
on the integrated numeric keypad.
NOTE: The keypad function that is active when the
computer is turned off remains on when the computer is
turned back on.
When the num lk has been enabled, it can be used like an
external numeric keypad.
Executes frequently used system functions when pressed
in combination with a function key or the
Displays the Windows Start menu.
Displays a shortcut menu for items beneath the cursor.
esc key.