HP 255 G4 - Product description; External component identification

Table of contents
1 Product description ....................................................................................................................................... 1
2 External component identification ................................................................................................................. 5
Display ................................................................................................................................................................... 5
Right side ............................................................................................................................................................... 6
Left side ................................................................................................................................................................. 7
Top ......................................................................................................................................................................... 8
TouchPad ............................................................................................................................................. 8
Lights ................................................................................................................................................... 9
Buttons .............................................................................................................................................. 10
Keys ................................................................................................................................................... 11
Bottom ................................................................................................................................................................. 12
Labels ................................................................................................................................................................... 13
3 Illustrated parts catalog .............................................................................................................................. 15
Computer major components ............................................................................................................................. 15
Mass storage devices .......................................................................................................................................... 18
Miscellaneous parts ............................................................................................................................................. 19
Display assembly subcomponents ..................................................................................................................... 20
4 Removal and replacement procedures preliminary requirements .................................................................... 23
Tools required ...................................................................................................................................................... 23
Service considerations ........................................................................................................................................ 23
Plastic parts ....................................................................................................................................... 23
Cables and connectors ...................................................................................................................... 23
Drive handling ................................................................................................................................... 24
Grounding guidelines ........................................................................................................................................... 24
Electrostatic discharge damage ....................................................................................................... 24
Packaging and transporting guidelines ......................................................................... 25
Workstation guidelines ................................................................................ 25
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 27
Component replacement procedures ................................................................................................................. 27
Battery ............................................................................................................................................... 28
Optical drive ...................................................................................................................................... 29
v