HP Notebook PC (AMD) HP 255 G4 Notebook PC - Maintenance and Service Guide

Table of contents
1 Product description ....................................................................................................................................... 1
2 External component identication .................................................................................................................. 5
Display .................................................................................................................................................................... 5
Right side ............................................................................................................................................................... 7
Left side ................................................................................................................................................................. 8
Top .......................................................................................................................................................................... 9
TouchPad ............................................................................................................................................. 9
Lights ................................................................................................................................................. 10
Buttons .............................................................................................................................................. 11
Keys ................................................................................................................................................... 12
Bottom ................................................................................................................................................................. 13
Labels ................................................................................................................................................................... 14
3 Illustrated parts catalog .............................................................................................................................. 17
Computer major components .............................................................................................................................. 17
Mass storage devices ........................................................................................................................................... 21
Miscellaneous parts ............................................................................................................................................. 22
Display assembly subcomponents ...................................................................................................................... 23
4 Removal and replacement procedures preliminary requirements .................................................................... 25
Tools required ...................................................................................................................................................... 25
Service considerations ......................................................................................................................................... 25
Plastic parts ....................................................................................................................................... 25
Cables and connectors ...................................................................................................................... 25
Drive handling ................................................................................................................................... 26
Grounding guidelines ........................................................................................................................................... 26
Electrostatic discharge damage ........................................................................................................ 26
Packaging and transporting guidelines .......................................................................... 27
Workstation guidelines ................................................................................ 27
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 29
Component replacement procedures .................................................................................................................. 29
Battery ............................................................................................................................................... 30
Optical drive ....................................................................................................................................... 31
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