HP 240 HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 5

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Table of contents 1 Product description ...1 2 External component identification ...8 Front ...8 Right side ...9 Left side ...10 Display ...12 Top ...13 TouchPad ...13 Lights ...14 Buttons ...15 Keys ...16 Bottom ...17 3 Illustrated parts catalog ...18 Computer major components ...18 Display assembly subcomponents ...23 Mass storage devices ...25 Plastics Kit ...26 Miscellaneous parts ...27 Sequential part number listing ...28 4 Removal and replacement procedures ...33 Preliminary replacement requirements 33 Tools required ...33 Service considerations ...33 Plastic parts ...33 Cables and connectors 33 Drive handling 34 Grounding guidelines ...34 Electrostatic discharge damage 34 v

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Table of contents
1
Product description
........................................................................................................................................
1
2
External component identification
................................................................................................................
8
Front
.....................................................................................................................................................
8
Right side
.............................................................................................................................................
9
Left side
..............................................................................................................................................
10
Display
................................................................................................................................................
12
Top
.....................................................................................................................................................
13
TouchPad
..........................................................................................................................
13
Lights
.................................................................................................................................
14
Buttons
...............................................................................................................................
15
Keys
...................................................................................................................................
16
Bottom
................................................................................................................................................
17
3
Illustrated parts catalog
...............................................................................................................................
18
Computer major components
.............................................................................................................
18
Display assembly subcomponents
.....................................................................................................
23
Mass storage devices
.........................................................................................................................
25
Plastics Kit
..........................................................................................................................................
26
Miscellaneous parts
............................................................................................................................
27
Sequential part number listing
............................................................................................................
28
4
Removal and replacement procedures
.......................................................................................................
33
Preliminary replacement requirements
...............................................................................................
33
Tools required
....................................................................................................................
33
Service considerations
.......................................................................................................
33
Plastic parts
.......................................................................................................
33
Cables and connectors
.....................................................................................
33
Drive handling
...................................................................................................
34
Grounding guidelines
.........................................................................................................
34
Electrostatic discharge damage
........................................................................
34
v