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Compaq nc6220
HP Compaq nc6220
229 pages
Manual
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R
emo
v
al and Replace
ment Pr
ocedure
s
Maintenance and S
ervi
ce Guide
6–21
5.
Disconnect the LED board cable from the system board.
Disconnec
ting the LED Boar
d Ca
ble
6.
Remov
e the switch cove
r
.
Re
verse the abo
ve procedure to install the switch cov
er
.
122
124
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
15
Left-Side Components
16
Rear Panel Components
19
Bottom Components
27
Design Overview
28
2 Troubleshooting
29
Computer Setup
29
Using Computer Setup
29
Selecting from the Main Menu
30
Selecting from the Security Menu
31
Selecting from the Advanced Menu
32
Selecting from the Tools Menu
32
Troubleshooting Flowcharts
33
Flowchart 2.1—Initial Troubleshooting
35
Flowchart 2.2—No Power, Part
36
Flowchart 2.3—No Power, Part
37
Flowchart 2.4—No Power, Part
38
Flowchart 2.5—No Power, Part
39
Flowchart 2.6—No Video, Part
40
Flowchart 2.7—No Video, Part
41
Flowchart 2.9—No Operating System (Os) Loading
43
Flowchart 2.13—No os Loading, Diskette Drive
47
Software Update and Recovery
55
Software Updates
55
Accessing Computer Information
56
Obtaining the Support Software CD
57
Software Updates and the HP Web Site
57
Downloading Other Software
59
System Recovery
60
Safeguarding Your Data
61
Using Altiris Local Recovery
61
Using System Restore Points
62
Reinstalling Applications
63
Repairing the Operating System
64
Reinstalling the Operating System
66
Reinstalling Device Drivers and Other Software
68
4 Illustrated Parts Catalog
69
Serial Number Location
69
Computer Major Components
70
Miscellaneous Plastics Kit
80
Spare Part Information
81
Miscellaneous Cable Kit
82
Mass Storage Devices
84
Miscellaneous (Not Illustrated)
85
Sequential Part Number Listing
88
5 Removal and Replacement Preliminaries
95
Tools Required
95
Service Considerations
96
Plastic Parts
96
Cables and Connectors
96
Preventing Damage to Removable Drives
97
Preventing Electrostatic Damage
98
Packaging and Transporting Precautions
99
Workstation Precautions
100
Grounding Equipment and Methods
101
Typical Electrostatic Voltage Levels
102
6 Removal and Replacement Procedures
103
Serial Number
104
Disassembly Sequence Chart
105
Preparing the Computer for Disassembly
107
Hard Drive
109
Computer Feet
113
Bluetooth Board
114
Multibay II Device
115
External Memory Module
116
Keyboard
118
Switch Cover
122
LED Board
124
TPM Security Module
125
Fan
126
Heat Sink
127
Processor
130
Modem Board
132
Internal Memory Module
133
Touchpad
135
Mini PCI Communications Module
137
Display Assembly
139
Top Cover
142
Serial Connector Module
146
Audio Board
148
System Board
152
Hard Drives
163
System Dma
170
System Interrupts
171
System Memory Map
176
Connector Pin Assignments
177
Universal Serial Bus
178
External Monitor
180
Power Cord Set Requirements
183
Conductor Power Cord Set
183
General Requirements
184
Screw Listing
187
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