HP Pavilion DV4-1421 Manuals

Manuals and User Guides for HP Pavilion DV4-1421. We have 1 HP Pavilion DV4-1421 manual available for free PDF download: Maintenance And Service Manual

HP Pavilion DV4-1421 Maintenance And Service Manual

HP Pavilion DV4-1421 Maintenance And Service Manual (196 pages)

Entertainment PC

Brand: HP | Category: Laptop | Size: 6.05 MB

Table of Contents

Table of Contents
5
1 Product Description

9
2 External Component Identification

16
- Top Components
  16
  - Touchpad
    16
  - Lights
    17
  - Buttons, Speakers, and Fingerprint Reader
    18
  - Keys
    21
  - Display
    22
- Front Components
  23
- Rear Component
  24
- Right-Side Components
  24
- Left-Side Components
  25
- Bottom Components
  26
- Wireless Antennae
  27
3 Illustrated Parts Catalog

28
- Serial Number Location
  28
- Computer Major Components
  29
- Display Assembly Components
  33
- Plastics Kit
  36
- Mass Storage Devices
  37
- Miscellaneous Parts
  40
- Sequential Part Number Listing
  44
4 Removal and Replacement Procedures

55
- Preliminary Replacement Requirements
  55
  - Tools Required
    55
  - Service Considerations
    55
    
    Plastic Parts
    55
    
    Cables and Connectors
    56
    
    Drive Handling
    56
  - Grounding Guidelines
    57
    
    Electrostatic Discharge Damage
    57
    
    Packaging and Transporting Guidelines
    58
    
    Workstation Guidelines
    58
    
    Equipment Guidelines
    59
  - Unknown User Password
    60
- Component Replacement Procedures
  61
  - Serial Number
    61
  - Computer Feet
    62
  - Battery
    63
  - Sim
    64
  - Optical Drive
    65
  - Hard Drive
    67
  - WLAN Module
    70
  - WWAN Module
    73
  - Memory Module
    75
  - RTC Battery
    77
  - Camera/Microphone Module for Standard Display Assembly
    78
  - Keyboard
    80
  - Keyboard Cover
    82
  - Bluetooth Module
    84
  - Speaker Assembly
    85
  - SIM Connector Board
    87
  - Display Assembly
    88
    
    Standard Display Assembly
    92
    
    Flush Glass Display Assembly
    95
    
    Remove the Display Panel Cable
    97
    
    Detach the Wireless Antenna Transceivers (3) from the Display Enclosure
    98
    
    Remove the Display Hinges
    98
    
    Remove the Wireless Antenna Cables from the Clips (2) Built into the Display Enclosure
    98
  - Top Cover
    100
  - Touchpad
    103
  - Fingerprint Reader Board
    105
  - Modem Module
    107
  - Audio Board
    109
  - USB Board
    111
  - TV Tuner Antenna
    113
  - System Board
    115
  - Power Button Board
    118
  - Modem Module Cable
    120
  - Fan and Heat Sink
    122
    
    Heat Sink Assembly for Discrete Graphics System
    123
    
    Heat Sink Assembly for UMA Graphics System
    124
  - Processor
    126
5 Setup Utility

129
- Starting the Setup Utility
  129
- Changing the Language of the Setup Utility
  129
- Navigating and Selecting in the Setup Utility
  130
- Displaying System Information
  130
- Restoring Default Settings in the Setup Utility
  131
- Exiting the Setup Utility
  131
- Setup Utility Menus
  132
- Diagnostics Menu
  133
6 Specifications

134
7 Screw Listing

149
- Phillips PM1.5×9.0 Slotted Screw
  150
- Phillips PM2.0×3.0 Broadhead Screw
  151
- Phillips PM2.0×4.0 Screw
  152
- Phillips PM2.0×10.0 Captive Screw
  156
- Phillips PM2.5×3.0 Screw
  157
- Phillips PM2.5×4.0 Screw
  158
- Phillips PM2.5×6.0 Screw
  163
- Phillips PM2.5×6.0 Captive Screw
  165
- Phillips PM2.5×7.0 Screw
  166
- Phillips PM2.5×9.0 Screw
  167
- Phillips PM2.5×17.0 Screw
  169
- Phillips PM3.0×4.0 Screw
  170
8 Backup and Recovery

171
- Recovering System Information
  171
  - Backing up Your Information
    171
    
    When to Back up
    171
    
    Backup Suggestions
    172
    
    Create a System Restore Point
    172
    
    Using System Restore Points
    172
    
    When to Create Restore Points
    172
    
    Restore to a Previous Date and Time
    173
  - Creating Recovery Discs
    173
  - Performing a Recovery
    174
    
    Recovering from the Dedicated Recovery Partition (Select Models Only)
    174
    
    Recovering from the Recovery Discs
    174
9 Connector Pin Assignments

176
- Audio-In (Microphone)
  176
- Audio-Out (Headphone)
  177
- External Monitor
  178
- Modem)
  179
- Network)
  180
- Hdmi
  181
- Universal Serial Bus
  182
10 Power Cord Set Requirements

183
- Requirements for All Countries or Regions
  183
- Requirements for Specific Countries or Regions
  184
11 Recycling

185
- Battery
  185
- Display
  185
Index

191

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