HP EliteBook 840 G2 Notebook PC Service Manual

TouchPad ........................................................................................................................................... 82
USB/VGA connector board ................................................................................................................ 83
Heat sink ............................................................................................................................................ 84
Power button board .......................................................................................................................... 88
Fingerprint reader board ................................................................................................................... 90
System board .................................................................................................................................... 91
Speaker assembly ............................................................................................................................. 97
Display assembly .............................................................................................................................. 99
7 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) .................................................... 105
Using Computer Setup ....................................................................................................................................... 105
Starting Computer Setup ................................................................................................................ 105
Navigating and selecting in Computer Setup ................................................................................. 105
Restoring factory settings in Computer Setup ............................................................................... 106
Updating the BIOS ........................................................................................................................... 107
Determining the BIOS version ...................................................................................... 107
Downloading a BIOS update ......................................................................................... 107
Using MultiBoot ................................................................................................................................................. 109
About the boot device order ........................................................................................................... 109
Choosing MultiBoot preferences .................................................................................................... 109
Setting a new boot order in Computer Setup .............................................................. 109
Dynamically choosing a boot device using the f9 prompt ........................................... 110
Setting a MultiBoot Express prompt ............................................................................ 110
Entering MultiBoot Express preferences ..................................................................... 111
Using HP PC Hardware Diagnostics (UEFI) ........................................................................................................ 111
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ............................................... 111
Using HP Sure Start (select models only) ....................................................................................... 112
8 Specifications ........................................................................................................................................... 113
Computer specifications .................................................................................................................................... 113
9 Backup and recovery .................................................................................................................................. 115
Backing up your information ............................................................................................................................. 115
Performing a system recovery .......................................................................................................................... 115
Using the Windows recovery tools ................................................................................................. 116
Using f11 recovery tools ................................................................................................................. 116
Using Windows operating system media (purchased separately) ................................................ 117
Using Windows Refresh or Windows Reset .................................................................................... 118
Using HP Software Setup ................................................................................................................ 118
ENWW ix

HP EliteBook 840 G2 Notebook PC Specifications

General

Brand	HP
Model	EliteBook 840 G2 Notebook PC
Category	Desktop
Language	English