HP EliteBook 820 G1

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Inserting a battery ............................................................................. 32

Removing a battery .......................................................................... 33

Conserving battery power ................................................................................. 34

Storing a user-replaceable battery .................................................................... 34

Disposing of a user-replaceable battery ............................................................ 35

Replacing a user-replaceable battery ............................................................... 35

Using external AC power ................................................................................................... 35

Testing an AC adapter ...................................................................................... 36

7 External cards and devices .......................................................................................................................... 37

Using Memory Card Readers ............................................................................................................. 37

Inserting a memory card .................................................................................................... 37

Removing a digital card ..................................................................................................... 38

Using smart cards .............................................................................................................................. 38

Inserting a smart card ........................................................................................................ 39

Removing a smart card ...................................................................................................... 39

Using a USB device ........................................................................................................................... 39

Connecting a USB device .................................................................................................. 40

Removing a USB device .................................................................................................... 40

Using optional external devices .......................................................................................................... 40

Using optional external drives ............................................................................................ 41

8 Drives ............................................................................................................................................................. 42

Handling drives ................................................................................................................................... 42

Using hard drives ............................................................................................................................... 42

Removing or replacing the service door ............................................................................ 43

Removing the service door ............................................................................... 43

Replacing the service door ................................................................................ 43

Replacing or upgrading the hard drive ............................................................................... 44

Removing the hard drive ................................................................................... 44

Installing a hard drive ........................................................................................ 45

Improving hard drive performance ..................................................................................... 46

Using Disk Defragmenter .................................................................................. 46

Using Disk Cleanup ........................................................................................... 47

Using HP 3D DriveGuard ................................................................................................... 47

Identifying HP 3D DriveGuard status ................................................................ 47

9 Security .......................................................................................................................................................... 49

Protecting the computer ..................................................................................................................... 49

Using passwords ................................................................................................................................ 50

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