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HP ProBook 645 G1 Notebook PC User Manual

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6 Power management ...................................................................................................................................... 42

Shutting down the computer ............................................................................................................... 42
Setting power options ......................................................................................................................... 42

Using power-saving states ................................................................................................. 42

Intel Rapid Start Technology (select models only) ............................................ 43
Initiating and exiting Sleep ................................................................................ 43
Enabling and exiting user-initiated Hibernation ................................................. 43
Using the power meter and power settings ....................................................... 44
Setting password protection on wakeup ........................................................... 44

Using battery power ........................................................................................................... 44

Finding additional battery information ............................................................... 45
Using Battery Check ......................................................................................... 45
Displaying the remaining battery charge ........................................................... 45
Maximizing battery discharge time .................................................................... 45
Managing low battery levels .............................................................................. 45

Identifying low battery levels ............................................................. 46
Resolving a low battery level ............................................................ 46

Inserting or removing the battery ...................................................................... 46

Inserting a battery ............................................................................. 46
Removing a battery .......................................................................... 47

Conserving battery power ................................................................................. 47
Storing a user-replaceable battery (select models only) ................................... 47
Disposing of a user-replaceable battery (select models only) ........................... 48
Replacing a user-replaceable battery (select models only) .............................. 48

Using external AC power ................................................................................................... 48

Testing an AC adapter ...................................................................................... 49

Switchable graphics/dual graphics (select models only) ................................................... 49

Using switchable graphics (select models only) ................................................ 49
Using dual graphics (select models only) .......................................................... 50

7 External cards and devices .......................................................................................................................... 51

Using memory card readers (select models only) .............................................................................. 51

Inserting a memory card .................................................................................................... 51
Removing a memory card .................................................................................................. 51

Using ExpressCards (select models only) .......................................................................................... 52

Configuring an ExpressCard .............................................................................................. 52
Inserting an ExpressCard .................................................................................................. 53
Removing an ExpressCard ................................................................................................ 54

Using smart cards (select models only) ............................................................................................. 54

Inserting a smart card ........................................................................................................ 55
Removing a smart card ...................................................................................................... 55

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