HP ProSignia 486 Manuals

Manuals and User Guides for HP ProSignia 486. We have 1 HP ProSignia 486 manual available for free PDF download: Maintenance And Service Manual

HP ProSignia 486 Maintenance And Service Manual

HP ProSignia 486 Maintenance And Service Manual (144 pages)

HP ProSignia 120: User Guide

Brand: HP | Category: Laptop | Size: 2.84 MB

Table of Contents

Table of Contents
2
Using this Guide

6
- Symbols
  6
- Technician Notes
  7
- Serial Number
  7
  - Laser Safety
    7
  - CDRH Regulations
    7
  - Battery Notice
    8
  - Serial Number
    9
- Locating Additional Information
  9
Chapter 1 PRODUCT DESCRIPTION

10
- Computer Features and Models
  10
  - Features
    11
  - Models
    11
  - Software Fulfillment
    12
- Computer Options
  12
  - Convenience Base II
    12
  - System Memory Options
    12
  - External Battery Charger
    13
  - External Keyboards and Pointing Devices
    13
  - External Monitors
    13
- External Computer Components
  13
  - Left Side Components
    14
  - Front Components
    15
  - Top Components
    16
  - Right Side Components
    17
  - Rear Components
    18
  - Bottom Components
    19
  - Status Panel Lights
    20
- Design Overview
  21
  - System Unit
    21
  - Internal Boards
    21
  - C Onnectors
    22
  - Video System
    22
Chapter 2 TROUBLESHOOTING

23
- Preliminary Steps
  24
- Clearing Passwords
  25
- Power-On Self-Test (POST)
  25
- POST Error Messages
  26
- Fatal Error Messages
  28
- Compaq Utilities
  29
  - Computer Setup
    29
  - Computer Checkup (TEST)
    31
  - Running View System Information (INSPECT)
    36
  - Running Compaq Diagnostics
    37
  - Boot Sequencing
    37
  - Factory Default Settings
    38
- Troubleshooting Without Diagnostics
  39
  - Before Replacing Parts
    39
  - Checklist for Solving Problems
    39
    
    Solving Audio Problems
    40
    
    Solving Battery Problems
    42
    
    Solving Battery and Battery Gauge Problems
    42
    
    Solving Diskette and Diskette Drive Problems
    44
    
    Solving Hard Drive Problems
    45
    
    Solving Hardware Installation Problems
    46
    
    Infrared Port
    47
    
    Solving Modem Problems
    48
    
    Solving Pc Card Problems
    51
    
    Solving Power Problems
    52
    
    Solving Screen Problems
    53
    
    Solving Usb Problems
    54
Chapter 3 ILLUSTRATED PARTS CATALOG

55
- System Unit
  56
- Mass Storage Devices
  58
- Cables and Power Cords
  60
- Standard and Optional Boards
  61
- Options
  63
- Miscellaneous Parts
  64
- Documentation
  65
Chapter 4 REMOVAL and REPLACEMENT PRELIMINARIES

66
Chapter 5 REMOVAL and REPLACEMENT PROCEDURES

72
- Serial Number
  72
- Disassembly Sequence
  73
- Preparing the Computer for Disassembly
  74
  - Disconnecting the AC Power
    74
  - Battery Pack Removal
    75
  - Multibay Devices
    76
  - Pcmcia
    77
- Computer Tilt Feet
  78
- Internal Modem
  79
  - IR (Infrared) Module
    81
- Hard Drive
  82
- Keyboard
  85
  - Keyboard Removal
    87
  - Memory Board
    88
  - Lithium Real Time Clock Battery
    91
  - Optical Disc Bay
    93
- Display Assembly
  94
  - Hinge Covers
    94
  - Display Assembly
    96
- Top Cover Assembly
  98
  - DC-DC Converter and Audio Board Shield
    102
  - DC-DC Converter
    103
  - Audio Board
    104
  - Fan
    105
  - System Board
    106
  - Integrated AC Adapter
    109
Chapter 6 SPECIFICATIONS

110
- Computer
  111
- Display
  112
- Hard Drive
  113
- Diskette Drive
  114
- Drive
  115
- ZIP Drive
  116
- CD-ROM Drive
  117
- DVD-ROM Drive
  118
- Battery Packs
  119
- Convenience Base II
  120
- External Power Supplies
  121
- System Interrupts
  123
- System DMA
  123
- System I/O Address
  124
- System Memory Map
  126
Appendix A CONNECTORS

127
Appendix B POWER CORD SET REQUIREMENTS

133
- 3-Conductor Power Cord Set
  133
  - General Requirements
    133
  - Country-Specific Requirements
    134
  - Notes
    134
Appendix C CONVENIENCE BASE

135
- Models and Features
  135
- Convenience Base Features
  137
- Convenience Base II Components
  138
  - Front and Right Side Components
    138
  - Rear Components
    139
Index

141

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