HP Compaq 421 Manuals

Manuals and User Guides for HP Compaq 421. We have 3 HP Compaq 421 manuals available for free PDF download: Maintenance And Service Manual

HP Compaq 421 Maintenance And Service Manual (172 pages)

Notebook PC

Brand: HP | Category: Laptop | Size: 5.6 MB

Table of Contents
5
1 Product Description

9
2 External Component Identification

18
- Top Components
  18
  - Touchpad
    18
  - Lights
    19
  - Buttons, Switch, and Speaker
    21
  - Keys
    22
- Front Components
  24
- Right-Side Components
  24
- Left-Side Components
  26
- Bottom Components
  27
- Multimedia Components
  28
- Wireless Antennas (Select Models Only)
  30
- Additional Hardware Components
  31
3 Illustrated Parts Catalog

32
- Service Tag
  32
- Computer Major Components
  34
- Display Assembly Components
  41
- Plastics Kit
  43
- Cables
  44
- Mass Storage Devices
  45
- Miscellaneous Parts
  47
- Sequential Part Number Listing
  48
4 Removal and Replacement Procedures

57
- Preliminary Replacement Requirements
  57
  - Tools Required
    57
  - Service Considerations
    57
    
    Plastic Parts
    57
    
    Cables and Connectors
    58
    
    Drive Handling
    58
  - Grounding Guidelines
    59
    
    Electrostatic Discharge Damage
    59
    
    Packaging and Transporting Guidelines
    60
    
    Workstation Guidelines
    60
    
    Equipment Guidelines
    61
- Component Replacement Procedures
  62
  - Service Tag
    62
  - Computer Feet
    63
  - Battery
    64
  - Service Door
    64
  - Hard Drive
    67
  - Memory Module
    72
  - WLAN Module
    74
  - Optical Drive
    76
  - Fan
    77
  - Heat Sink
    78
  - Processor
    79
  - Palm Rest
    81
  - Keyboard
    86
  - Top Cover
    90
  - Power Switch Board
    95
  - Bluetooth Module
    97
  - USB Connector Assembly
    98
  - Speaker
    100
  - Display Assembly
    101
  - System Board
    110
  - Main Battery Connector
    114
  - RTC Battery
    116
  - Modem Module
    117
  - Audio Board
    119
5 Computer Setup

121
- Computer Setup in Windows
  121
  - Starting Computer Setup
    121
  - Using Computer Setup
    121
    
    Navigating and Selecting in Computer Setup
    121
    
    Restoring Factory Settings in Computer Setup
    122
  - Computer Setup Menus
    123
    
    File Menu
    123
    
    Security Menu
    125
    
    System Configuration Menu
    126
- Computer Setup in Linux
  131
  - Starting Computer Setup
    131
  - Using Computer Setup
    132
    
    Navigating and Selecting in Computer Setup
    132
    
    Restoring Factory Settings in Computer Setup
    132
  - Computer Setup Menus
    133
    
    File Menu
    133
    
    Diagnostics Menu
    134
    
    Security Menu
    134
    
    System Configuration Menu
    135
6 Specifications

137
7 Backup and Recovery

145
- Backup and Recovery in Windows 7
  145
  - Overview
    145
  - Backing up Your Information
    145
  - Performing a Recovery
    147
  - Using the Windows Recovery Tools
    147
  - Using F11
    148
  - Using a Windows 7 Operating System DVD (Purchased Separately)
    148
- Backup and Recovery in Windows Vista
  149
  - Overview
    149
  - Backing up Your Information
    149
  - Performing a Recovery
    150
  - Using the Windows Recovery Tools
    151
  - Using F11
    151
  - Using a Windows Vista Operating System DVD (Purchased Separately)
    152
- Backup and Recovery in Windows XP
  153
  - Overview
    153
  - Backing up Your Information
    153
  - Performing a Recovery
    154
- Recovering Your Information
  154
- Recovering the Operating System and Programs
  154
8 Connector Pin Assignments

156
- Audio-In (Microphone)
  156
- Audio-Out (Headphone)
  156
- External Monitor
  157
- Hdmi
  158
- Modem)
  159
- Network)
  160
- Universal Serial Bus
  160
9 Power Cord Set Requirements

161
- Requirements for All Countries and Regions
  161
- Requirements for Specific Countries and Regions
  162
10 Recycling

163
- Battery
  163
- Display
  163
Index

169

HP Compaq 421 Maintenance And Service Manual (165 pages)

Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Notebook PCs - Maintenance and Service Guide

Brand: HP | Category: Laptop | Size: 5.24 MB

Table of Contents
5
1 Product Description

9
2 External Component Identification

18
- Top Components
  18
  - Touchpad
    18
  - Lights
    19
  - Buttons, Switch, and Speaker
    21
  - Keys
    22
- Front Components
  24
- Right-Side Components
  24
- Left-Side Components
  26
- Bottom Components
  27
- Multimedia Components
  28
- Wireless Antennas (Select Models Only)
  30
- Additional Hardware Components
  31
3 Illustrated Parts Catalog

32
- Service Tag
  32
- Computer Major Components
  34
- Display Assembly Components
  40
- Plastics Kit
  41
- Cables
  42
- Mass Storage Devices
  44
- Miscellaneous Parts
  45
- Sequential Part Number Listing
  47
4 Removal and Replacement Procedures

54
- Preliminary Replacement Requirements
  54
  - Tools Required
    54
  - Service Considerations
    54
    
    Plastic Parts
    54
    
    Cables and Connectors
    55
    
    Drive Handling
    55
  - Grounding Guidelines
    56
    
    Electrostatic Discharge Damage
    56
    
    Packaging and Transporting Guidelines
    57
    
    Workstation Guidelines
    57
    
    Equipment Guidelines
    58
- Component Replacement Procedures
  59
  - Service Tag
    59
  - Computer Feet
    60
  - Battery
    61
  - Service Door
    61
  - Hard Drive
    64
  - Memory Module
    67
  - WLAN Module
    69
  - Optical Drive
    70
  - Fan
    72
  - Heat Sink
    73
  - Processor
    74
  - Palm Rest
    76
  - Keyboard
    81
  - Top Cover
    85
  - Power Switch Board
    90
  - Bluetooth Module
    92
  - USB Connector Assembly
    93
  - Speaker
    95
  - Display Assembly
    96
  - System Board
    104
  - Main Battery Connector
    108
  - RTC Battery
    110
  - Modem Module
    111
  - Audio Board
    113
5 Computer Setup

115
- Computer Setup in Windows
  115
  - Starting Computer Setup
    115
  - Using Computer Setup
    115
    
    Navigating and Selecting in Computer Setup
    115
    
    Restoring Factory Settings in Computer Setup
    116
  - Computer Setup Menus
    117
    
    File Menu
    117
    
    Security Menu
    119
    
    System Configuration Menu
    120
- Computer Setup in Linux
  124
  - Starting Computer Setup
    124
  - Using Computer Setup
    125
    
    Navigating and Selecting in Computer Setup
    125
    
    Restoring Factory Settings in Computer Setup
    125
  - Computer Setup Menus
    126
    
    File Menu
    126
    
    Diagnostics Menu
    127
    
    Security Menu
    127
    
    System Configuration Menu
    128
6 Specifications

130
7 Backup and Recovery

138
- Backup and Recovery in Windows 7
  138
  - Overview
    138
  - Backing up Your Information
    138
  - Performing a Recovery
    140
  - Using the Windows Recovery Tools
    140
  - Using F11
    141
  - Using a Windows 7 Operating System DVD (Purchased Separately)
    141
- Backup and Recovery in Windows Vista
  142
  - Overview
    142
  - Backing up Your Information
    142
  - Performing a Recovery
    143
  - Using the Windows Recovery Tools
    144
  - Using F11
    144
  - Using a Windows Vista Operating System DVD (Purchased Separately)
    145
- Backup and Recovery in Windows XP
  146
  - Overview
    146
  - Backing up Your Information
    146
  - Performing a Recovery
    147
    
    Recovering the Operating System and Programs
    147
    
    Recovering Your Information
    147
8 Connector Pin Assignments

149
- Audio-In (Microphone)
  149
- Audio-Out (Headphone)
  149
- External Monitor
  150
- Hdmi
  151
- Modem)
  152
- Network)
  153
- Universal Serial Bus
  153
9 Power Cord Set Requirements

154
- Requirements for All Countries and Regions
  154
- Requirements for Specific Countries and Regions
  155
10 Recycling

156
- Battery
  156
- Display
  156
Index

162

HP Compaq 421 Maintenance And Service Manual (160 pages)

Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 Notebook PCs - Maintenance and Service Guide

Brand: HP | Category: Laptop | Size: 5.22 MB

Table of Contents
7
1 Product Description

11
2 External Component Identification

19
- Top Components
  19
  - Touchpad
    19
  - Lights
    20
  - Buttons, Switch, and Speaker
    21
  - Keys
    22
- Front Components
  24
- Right-Side Components
  24
- Left-Side Components
  25
- Bottom Components
  26
- Multimedia Components
  27
- Wireless Antennas (Select Models Only)
  29
- Additional Hardware Components
  30
3 Illustrated Parts Catalog

31
- Service Tag
  31
- Computer Major Components
  33
- Display Assembly Components
  39
- Plastics Kit
  40
- Cables
  41
- Mass Storage Devices
  43
- Miscellaneous Parts
  44
- Sequential Part Number Listing
  45
4 Removal and Replacement Procedures

52
- Preliminary Replacement Requirements
  52
  - Tools Required
    52
  - Service Considerations
    52
    
    Plastic Parts
    52
    
    Cables and Connectors
    53
    
    Drive Handling
    53
  - Grounding Guidelines
    54
    
    Electrostatic Discharge Damage
    54
    
    Packaging and Transporting Guidelines
    55
    
    Workstation Guidelines
    55
    
    Equipment Guidelines
    56
- Component Replacement Procedures
  57
  - Service Tag
    57
  - Computer Feet
    58
  - Battery
    59
  - Service Door
    59
  - Hard Drive
    62
  - Memory Module
    65
  - WLAN Module
    67
  - Optical Drive
    68
  - Fan
    70
  - Heat Sink
    71
  - Processor
    72
  - Palm Rest
    74
  - Keyboard
    79
  - Top Cover
    83
  - Power Switch Board
    88
  - Bluetooth Module
    90
  - USB Connector Assembly
    91
  - Speaker
    93
  - Display Assembly
    94
  - System Board
    102
  - Main Battery Connector
    106
  - RTC Battery
    108
  - Modem Module
    109
  - Audio Board
    110
5 Computer Setup

113
- Computer Setup in Windows
  113
  - Starting Computer Setup
    113
  - Using Computer Setup
    113
    
    Navigating and Selecting in Computer Setup
    113
    
    Restoring Factory Settings in Computer Setup
    114
  - Computer Setup Menus
    115
    
    File Menu
    115
    
    Security Menu
    116
    
    System Configuration Menu
    117
- Computer Setup in Linux
  121
  - Starting Computer Setup
    121
  - Using Computer Setup
    122
    
    Navigating and Selecting in Computer Setup
    122
    
    Restoring Factory Settings in Computer Setup
    122
  - Computer Setup Menus
    123
    
    File Menu
    123
    
    Diagnostics Menu
    124
    
    Security Menu
    124
    
    System Configuration Menu
    125
6 Specifications

127
7 Backup and Recovery

134
- Backup and Recovery in Windows 7
  134
  - Overview
    134
  - Backing up Your Information
    134
  - Performing a Recovery
    136
  - Using the Windows Recovery Tools
    136
  - Using F11
    137
  - Using a Windows 7 Operating System DVD (Purchased Separately)
    137
- Backup and Recovery in Windows Vista
  138
  - Overview
    138
  - Backing up Your Information
    138
  - Performing a Recovery
    139
  - Using the Windows Recovery Tools
    140
  - Using F11
    140
  - Using a Windows Vista Operating System DVD (Purchased Separately)
    141
- Backup and Recovery in Windows XP
  142
  - Overview
    142
  - Backing up Your Information
    142
  - Performing a Recovery
    143
    
    Recovering the Operating System and Programs
    143
    
    Recovering Your Information
    143
8 Connector Pin Assignments

144
- Audio-In (Microphone)
  144
- Audio-Out (Headphone)
  144
- External Monitor
  145
- Hdmi
  146
- Modem)
  147
- Network)
  148
- Universal Serial Bus
  148
9 Power Cord Set Requirements

149
- Requirements for All Countries and Regions
  149
- Requirements for Specific Countries and Regions
  150
10 Recycling

151
- Battery
  151
- Display
  151
Index

157

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HP Compaq 421 Manuals

HP Compaq 421 Maintenance And Service Manual (172 pages)

Table of Contents

1 Product Description

2 External Component Identification

3 Illustrated Parts Catalog

4 Removal and Replacement Procedures

5 Computer Setup

6 Specifications

7 Backup and Recovery

8 Connector Pin Assignments

9 Power Cord Set Requirements

10 Recycling

Index

HP Compaq 421 Maintenance And Service Manual (165 pages)

Table of Contents

1 Product Description

2 External Component Identification

3 Illustrated Parts Catalog

4 Removal and Replacement Procedures

5 Computer Setup

6 Specifications

7 Backup and Recovery

8 Connector Pin Assignments

9 Power Cord Set Requirements

10 Recycling

Index

HP Compaq 421 Maintenance And Service Manual (160 pages)

Table of Contents

1 Product Description

2 External Component Identification

3 Illustrated Parts Catalog

4 Removal and Replacement Procedures

5 Computer Setup

6 Specifications

7 Backup and Recovery

8 Connector Pin Assignments

9 Power Cord Set Requirements

10 Recycling

Index

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