HP ProBook 4430s Maintenance And Service Manual page 6

Component replacement procedures ........................................................................................ 47
5 Computer Setup (BIOS) and System Diagnostics ............................................................ 111
Using Computer Setup .......................................................................................................... 111
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Grounding guidelines .............................................................................................. 44
Electrostatic discharge damage .................................................................. 44
Packaging and transporting guidelines ........................................ 45
Workstation guidelines .............................................................. 45
Equipment guidelines ................................................................. 46
Service tag ............................................................................................................. 47
Battery ................................................................................................................... 48
SIM ....................................................................................................................... 49
Bottom door ........................................................................................................... 50
Optical drive .......................................................................................................... 51
Hard drive ............................................................................................................. 53
Memory modules .................................................................................................... 55
WWAN module ..................................................................................................... 57
WLAN/Bluetooth combo card .................................................................................. 59
Keyboard ............................................................................................................... 64
Fan ....................................................................................................................... 67
Heat sink ................................................................................................................ 69
Processor ............................................................................................................... 71
Top cover ............................................................................................................... 72
RTC battery ............................................................................................................ 79
Modem module ....................................................................................................... 81
Audio board ........................................................................................................... 83
Speaker assembly ................................................................................................... 84
RJ-11 jack cable ...................................................................................................... 87
Quick Launch board ................................................................................................ 89
USB board ............................................................................................................. 92
System board ......................................................................................................... 93
Card reader board .................................................................................................. 97
Power cable ........................................................................................................... 99
Optical drive connector ......................................................................................... 101
Display assembly .................................................................................................. 103
Starting Computer Setup ........................................................................................ 111
Navigating and selecting in Computer Setup ............................................................ 111
Restoring factory settings in Computer Setup ............................................................. 112
Updating the BIOS ................................................................................................ 113
Determining the BIOS version .................................................................. 113
Downloading a BIOS update ................................................................... 114