HP Notebook PC (AMD) HP 255 G4 Notebook PC - Maintenance and Service Guide
Component Description
▲
Type power in the taskbar search box, and then select
Power and sleep settings.
‒ or –
Right-click the Start button, and then select Power
Options.
Keys
Component Description
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes frequently used system functions when pressed in
combination with the esc key, or the spacebar.
(3) Windows key Windows 7: Displays the Start menu.
Windows 8.1: Returns you to the Start screen from an open app
or the Windows desktop.
NOTE: Pressing the Windows key again will return you to the
previous screen.
Windows 10: Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start
menu.
(4) Action keys Execute frequently used system functions.
(5) num lock key Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(6) Integrated numeric keypad When num lock is on, it can be used like an external numeric
keypad.
12 Chapter 2 External component identication