HP Pavilion dv7-4278nr Entertainment Notebook PC - Manual (Page 14)

Keys
Item Description Function
(1) esc key Press the esc and fn keys at the same time to display system
information.
(2) fn key Press the fn key at the same time as a function key or the esc key
to execute frequently used system functions.
(3) Windows Logo key Displays the Windows Start menu.
(4) Windows Applications key Displays a shortcut menu for items beneath the cursor.
(5) Integrated numeric keypad Functions like the keys on an external numeric keypad.
(6) Action keys Press a function key and the fn key at the same time to execute
frequently used system functions.
4 Chapter 1 Features