HP 321 - Notebook PC Maintenance And Service Manual page 8

Component replacement procedures ................................................................................................. 47
5 Computer Setup .......................................................................................................................................... 103
Computer Setup in Windows ............................................................................................................ 103
Computer Setup in Linux .................................................................................................................. 111
viii
Grounding guidelines ......................................................................................................... 44
Electrostatic discharge damage ........................................................................ 44
Packaging and transporting guidelines ............................................. 45
Workstation guidelines ..................................................................... 45
Equipment guidelines ....................................................................... 46
Service tag ......................................................................................................................... 47
Computer feet .................................................................................................................... 48
Battery ............................................................................................................................... 49
Service door ....................................................................................................................... 49
Hard drive .......................................................................................................................... 52
Memory module ................................................................................................................. 55
WLAN module .................................................................................................................... 57
Optical drive ....................................................................................................................... 58
Fan ..................................................................................................................................... 60
Heat sink ............................................................................................................................ 61
Processor ........................................................................................................................... 62
Palm rest ............................................................................................................................ 64
Keyboard ........................................................................................................................... 69
Top cover ........................................................................................................................... 73
Power switch board ........................................................................................................... 78
Bluetooth module ............................................................................................................... 80
USB connector assembly .................................................................................................. 81
Speaker ............................................................................................................................. 83
Display assembly ............................................................................................................... 84
System board ..................................................................................................................... 92
Main battery connector ...................................................................................................... 96
RTC battery ....................................................................................................................... 98
Modem module .................................................................................................................. 99
Audio board ..................................................................................................................... 100
Starting Computer Setup ................................................................................................. 103
Using Computer Setup .................................................................................................... 103
Navigating and selecting in Computer Setup .................................................. 103
Restoring factory settings in Computer Setup ................................................. 104
Computer Setup menus ................................................................................................... 105
File menu ........................................................................................................ 105
Security menu ................................................................................................. 106
System Configuration menu ............................................................................ 107
Starting Computer Setup ................................................................................................. 111