HP Pavilion dv4 Maintenance And Service Manual page 6

Component replacement procedures ........................................................................................ 39
5 Setup Utility (BIOS) and System Diagnostics .................................................................... 99
Using Setup Utility .................................................................................................................. 99
Using System Diagnostics ...................................................................................................... 103
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Electrostatic discharge damage .................................................................. 35
Packaging and transporting guidelines ........................................ 37
Service tag ............................................................................................................. 39
Computer feet ......................................................................................................... 40
Battery ................................................................................................................... 41
SIM ....................................................................................................................... 42
WLAN module ........................................................................................................ 44
WWAN module ..................................................................................................... 47
RTC battery ............................................................................................................ 49
Memory module ...................................................................................................... 50
Optical drive .......................................................................................................... 52
Hard drive ............................................................................................................. 55
Keyboard ............................................................................................................... 57
Top cover ............................................................................................................... 60
Power button board ................................................................................................. 65
TouchPad LED board ............................................................................................... 67
TouchPad button board ............................................................................................ 69
Optical drive connector cable ................................................................................... 71
Audio/USB board ................................................................................................... 73
Power connector cable ............................................................................................ 74
System board ......................................................................................................... 76
Heat sink ................................................................................................................ 80
Processor ............................................................................................................... 85
Fan ....................................................................................................................... 88
Speakers ................................................................................................................ 90
Display assembly .................................................................................................... 91
Starting Setup Utility ................................................................................................ 99
Changing the language of Setup Utility ...................................................................... 99
Navigating and selecting in Setup Utility .................................................................. 100
Displaying system information ................................................................................. 100
Restoring factory settings in Setup Utility ................................................................... 101
Exiting Setup Utility ............................................................................................... 101
Updating the BIOS ................................................................................................ 101
Determining the BIOS version .................................................................. 102
Downloading a BIOS update ................................................................... 102