HP Notebook PC (Intel) * Models: 15-ay000 - 15-ay099 HP 250 G5 Notebook PC HP 256 G5 Notebook PC - Maintenance and Service Guide

5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 47
Component replacement procedures .................................................................................................................. 47
Battery ............................................................................................................................................... 48
Optical drive ....................................................................................................................................... 49
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 51
Component replacement procedures .................................................................................................................. 51
Bottom cover ..................................................................................................................................... 52
WLAN module .................................................................................................................................... 54
Memory module ................................................................................................................................ 56
Optical drive board ............................................................................................................................ 58
Speakers ............................................................................................................................................ 59
Hard drive .......................................................................................................................................... 60
RTC battery ........................................................................................................................................ 63
USB board .......................................................................................................................................... 64
Solid-state drive (SSD) ...................................................................................................................... 65
Solid-state drive board ..................................................................................................................... 66
Heat sink assembly ........................................................................................................................... 67
Fan ..................................................................................................................................................... 70
TouchPad button board ..................................................................................................................... 72
System board .................................................................................................................................... 73
Display assembly ............................................................................................................................... 77
Power connector cable ...................................................................................................................... 84
Power button board .......................................................................................................................... 85
Top cover/keyboard ........................................................................................................................... 86
7 Using Setup Utility (BIOS) in Windows 7 ......................................................................................................... 89
Starting Setup Utility (BIOS) ................................................................................................................................ 89
Updating the BIOS ................................................................................................................................................ 89
Determining the BIOS version ........................................................................................................... 89
Downloading a BIOS update .............................................................................................................. 89
8 Using Setup Utility (BIOS) in Windows 10 ....................................................................................................... 91
Starting Setup Utility (BIOS) ................................................................................................................................ 91
Updating Setup Utility (BIOS) .............................................................................................................................. 91
Determining the BIOS version ........................................................................................................... 91
Downloading a BIOS update .............................................................................................................. 92
9 Backing up, restoring, and recovering in Windows 7 ....................................................................................... 93
Creating backups ................................................................................................................................................. 93
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