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Compaq nc8430
HP Compaq nc8430
237 pages
Manual
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5–44
Maintenance and Serv
ice Gui
de
Re
mo
val and R
e
placemen
t Pr
ocedur
es
9.
Disconnect the LED board cable
1
from the system board.
10.
Remov
e the switch cover
2
.
R
emo
v
ing the S
w
itc
h Co
ver
Re
v
erse the abov
e procedure to install the switch cov
er
.
133
135
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Specifications
6
1 Product Description
7
Features
8
Resetting the Computer
10
Power Management
11
External Components
12
Right-Side Components
14
Rear Panel Components
15
Left-Side Components
16
Top Components
21
Bottom Components
25
Design Overview
26
2 Troubleshooting
27
Computer Setup
27
Using Computer Setup
27
Selecting from the File Menu
28
Selecting from the Security Menu
29
Selecting from the Advanced Menu
30
Selecting from the Tools Menu
30
Troubleshooting Flowcharts
31
Flowchart 2.1—Initial Troubleshooting
33
Flowchart 2.2—No Power, Part
34
Flowchart 2.3—No Power, Part
35
Flowchart 2.4—No Power, Part
36
Flowchart 2.5—No Power, Part
37
Flowchart 2.6—No Video, Part
38
Flowchart 2.7—No Video, Part
39
Flowchart 2.9—No Operating System (Os) Loading
41
Flowchart 2.13—No os Loading, Diskette Drive
45
3 Illustrated Parts Catalog
53
Serial Number Location
53
Computer Major Components
54
Plastics Kit
68
Mass Storage Devices
70
Miscellaneous (Not Illustrated)
72
Sequential Part Number Listing
74
4 Removal and Replacement Preliminaries
83
Tools Required
83
Service Considerations
84
Plastic Parts
84
Cables and Connectors
84
Preventing Damage to Removable Drives
85
Preventing Electrostatic Damage
86
Packaging and Transporting Precautions
87
Workstation Precautions
88
Grounding Equipment and Methods
89
Typical Electrostatic Voltage Levels
90
5 Removal and Replacement Procedures
91
Serial Number
92
Disassembly Sequence Chart
93
Preparing the Computer for Disassembly
95
Hard Drive
96
Computer Feet
100
Optical Drive
101
External Memory Module
103
Bluetooth Module
106
Keyboard
108
Fan Assembly
113
Heat Sink
118
Processor
121
Internal Memory Module
123
RTC Battery
125
Touchpad
126
Mini Card Module
129
Switch Cover
132
Display Assembly
135
Top Cover
139
Modem Module
143
System Board
145
System Board Frame
152
Serial Connector Module
155
Usb/Audio Board
157
Hard Drives
164
System Dma
170
System Interrupts
171
System Memory Map
176
Screw Listing
177
Safeguarding Your Data
199
Backing up the System
200
Backing up Specific Files or Folders
200
Backing up the Entire Hard Drive
201
Scheduling Backups
203
Creating Recovery Discs
204
Performing a Recovery
205
Performing a Recovery from the Recovery Discs
205
Performing a Recovery from the Hard Drive
206
Initiating a Recovery in Windows
206
Recovery Partition
206
Connector Pin Assignments
221
Universal Serial Bus
222
External Monitor
224
Power Cord Set Requirements
227
Conductor Power Cord Set
227
General Requirements
228
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