5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 41
Component replacement procedures ................................................................................................................. 41
Battery ............................................................................................................................................... 42
Service door ....................................................................................................................................... 43
Hard drive .......................................................................................................................................... 45
Memory modules .............................................................................................................................. 47
Optical drive ...................................................................................................................................... 49
WLAN/Bluetooth combo card ........................................................................................................... 51
WWAN module ................................................................................................................................... 53
Keyboard ........................................................................................................................................... 55
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 58
Component replacement procedures ................................................................................................................. 58
Top cover ........................................................................................................................................... 58
RTC battery, HP 445 models ............................................................................................................. 61
Speaker assembly ............................................................................................................................. 62
Fingerprint reader assembly ............................................................................................................. 64
Power button board .......................................................................................................................... 65
Function board .................................................................................................................................. 67
Card reader board ............................................................................................................................. 68
USB/audio board ............................................................................................................................... 70
Touchpad button board .................................................................................................................... 72
Fan ..................................................................................................................................................... 74
Battery connector cable .................................................................................................................... 76
System board .................................................................................................................................... 77
Optical drive extension board ........................................................................................................... 83
RTC battery, HP 440 models ............................................................................................................. 84
Heat sink assembly ........................................................................................................................... 86
Display assembly .............................................................................................................................. 89
Power connector and cable ............................................................................................................... 95
7 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) in Windows 8 .................................. 96
Using Computer Setup ......................................................................................................................................... 96
Starting Computer Setup .................................................................................................................. 96
Navigating and selecting in Computer Setup ................................................................................... 96
Restoring factory settings in Computer Setup ................................................................................. 97
Updating the BIOS ............................................................................................................................. 97
Determining the BIOS version ........................................................................................ 97
Downloading a BIOS update ........................................................................................... 98
Using MultiBoot ................................................................................................................................................... 99
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