HP EliteBook 840 G4 Notebook PC HP EliteBook 848 G4 Notebook PC Maintenance and Service Guide
Component Description
▲ Type power options in the taskbar search box, and then
select Power Options.
‒ or –
Right-click the Power meter icon, and then select Power
Options.
(2) Speakers (2) Produce sound.
(3) Wireless button Turns the wireless feature on or o but does not establish a
wireless connection.
A wireless network must be set up before a wireless connection is
possible.
(4) Volume mute button Mutes and restores speaker sound.
(5) Fingerprint reader (select products only) Allows a ngerprint logon to Windows, instead of a password
logon.
12 Chapter 2 External component identication