HP EliteBook 850 G4 Preowned Laptop Manuals

HP EliteBook 850 G4 Preowned Laptop Manuals

Manuals and User Guides for HP EliteBook 850 G4 Preowned Laptop. We have 1 HP EliteBook 850 G4 Preowned Laptop manual available for free PDF download: Maintenance And Service Manual

HP EliteBook 850 G4 Maintenance And Service Manual

HP EliteBook 850 G4 Maintenance And Service Manual (196 pages)

Brand: HP | Category: Laptop | Size: 10.41 MB

Table of Contents

Table of Contents
7
1 Product Description

13
2 External Component Identification

19
- Right
  19
- Left
  20
- Display
  21
- Top
  22
  - Touchpad
    22
  - Lights
    23
  - Buttons, Speakers, and Fingerprint Reader
    24
  - Keys
    25
  - Using the Hot Keys
    26
- Bottom
  27
- Front
  28
- Labels
  29
3 Illustrated Parts Catalog

30
- Computer Major Components
  30
- Display Assembly Subcomponents
  34
- Plastics Kit
  36
- Mass Storage Devices
  37
- Cable Kit
  38
- Miscellaneous Parts
  39
4 Removal and Replacement Procedures Preliminary Requirements

41
- Tools Required
  41
- Service Considerations
  41
  - Plastic Parts
    41
  - Cables and Connectors
    42
  - Drive Handling
    42
- Grounding Guidelines
  43
  - Electrostatic Discharge Damage
    43
    
    Packaging and Transporting Guidelines
    44
    
    Workstation Guidelines
    44
    
    Equipment Guidelines
    45
5 Removal and Replacement Procedures for Customer Self-Repair Parts

46
- Component Replacement Procedures
  46
  - Bottom Cover
    46
  - Battery
    50
  - Hard Drive
    51
  - Solid-State Drive (SSD)
    53
  - Memory Modules
    55
  - Wlan/Bluetooth Combo Card
    57
  - WWAN Module
    59
  - RTC Battery
    61
  - Keyboard
    62
6 Removal and Replacement Procedures for Authorized Service Provider Parts

65
- Component Replacement Procedures
  65
  - Internal Base Plate
    65
  - Heat Sink/Fan Assembly
    67
  - Fingerprint Reader Assembly
    70
  - Touchpad Board
    71
  - NFC Module
    73
  - Smart Card Reader Board
    74
  - Usb/Audio Board
    76
  - System Board
    77
  - Speaker Assembly
    81
  - Display Assembly
    82
  - Power Button Board
    89
  - Top Cover
    91
7 Interpreting System Validation Diagnostic Front Panel Leds and Audible Codes

92
8 Troubleshooting Guide

94
- Resources
  95
- General Troubleshooting Steps
  95
  - Identify the Issue
    96
    
    Boot up Sequence
    96
    
    Failure Classification
    96
    
    Understand the Issue
    96
    
    Examine the Environment
    98
    
    Manually Updating BIOS and Drivers
    99
    
    Perform a Visual Inspection of Hardware
    99
    
    Remotely Deploying BIOS and Drivers
    99
    
    Update BIOS and Drivers
    99
  - Analyze the Issue
    99
    
    Remove or Uninstall Recently Added Hardware, Software
    99
    
    HP Hardware Diagnostics and Tools
    100
    
    HP PC Hardware Diagnostics (UEFI)
    100
    
    HP Support Assistant (HPSA)
    102
    
    HP BIOS Configuration Utility (BCU)
    103
    
    HP Image Diagnostic Tool
    103
    
    HP Thermal Monitor
    103
    
    Non HP Diagnostics Tools
    103
    
    Status Lights
    104
    
    Status Lights, Blinking Light Codes, Troubleshooting Lights, and POST Error Messages
    104
    
    Blinking Light Codes
    105
    
    POST Error Messages
    105
    
    Power Good (Troubleshooting) Lights
    106
  - Resolve the Issue
    107
    
    Hard Reset
    107
    
    Reseat Cables and Connections
    108
    
    Soft Reset (Default Settings)
    108
    
    Essential Hardware Configuration
    109
    
    Test with Minimum Configuration
    109
    
    Replace the System Board
    110
    
    Safe Mode
    110
    
    Test with Verified Working Configuration (Hardware And/Or Operating System)
    110
  - Verify Solution
    111
- Helpful Hints
  111
  - At Startup
    111
  - During Operation
    112
  - Consulting with HP Service
    112
- Common Issues and Possible Solutions
  113
  - Power-On Issues
    113
    
    No Power
    113
    
    Intermittent Power-On, Shutdown, Reboot
    115
    
    AC Adapter Issue
    116
    
    Battery Not Recognized, Not Charging
    116
    
    Battery Discharges too Fast
    118
    
    Burnt Smell
    119
  - Post
    119
    
    No Video (with Power)
    119
    
    Blinking Lights
    120
- Diagnostics Error Messages
  121
- BIOS Password
  122
- Performance (OS)
  122
  - Intermittent Shutdown
    123
  - Blue Screen
    124
  - Freeze at Windows Logo (Hang/Lockup)
    126
  - Electromagnetic Interference (EMI)
    127
  - No Wake up
    128
  - Unresponsive
    129
  - Slow Performance
    129
  - HP Smart Adapter Warning Message
    130
  - Incorrect Time and Date
    130
- Display
  131
  - Display Anomalies
    131
    
    Symptom
    131
    
    HP PC Hardware Diagnostics (UEFI) for Video Test
    132
    
    Quick Check
    132
    
    Display Assembly Diagram
    133
  - Dead Pixel
    133
  - No Video (Internal)
    133
  - No Video (External)
    134
  - Displayport/Vga
    134
  - Hdmi
    134
  - No or Bad External Video Via Docking
    135
  - Incorrect or Missing Color/Distorted Image
    135
  - Touch Screen
    136
- I/O Devices
  137
  - Keyboard
    137
  - Keyboard Point Stick
    138
  - Keyboard Backlight
    138
  - Touchpad
    139
  - Network Connectivity Ethernet (RJ-45 Jack)
    139
  - Network Connectivity Wireless (WLAN)
    140
  - Wwan
    141
  - Usb
    142
  - Smart Card Reader
    143
  - Speaker, Headphone - Audio Issues
    144
  - Thunderbolt (TB)
    145
- Storage
  146
  - Hard Drive/Solid-State Drive Not Recognized
    147
  - No Boot to Operating System (no Read/Write Error)
    147
    
    Blue Screen (BSOD) Error
    148
    
    Read-Write Error
    148
    
    Slow Performance
    148
    
    Noisy Hard Drive
    149
    
    Fan Error Message - 90B
    150
    
    Mechanical
    150
    
    Noise (Sound)
    151
    
    Fan Runs Constantly
    152
    
    Stuck Power Button
    153
    
    Thermal Shutdown (Hot)
    153
  - Additional Information
    154
    
    Acronyms
    154
    
    BIOS Recovery Code Unable to Find Valid BIOS Recovery Image
    155
    
    Blinking Lights and Boot Error Codes
    155
    
    Memory Module Error
    155
    
    Processor Not Executing Code
    155
    
    Failure - System Board Error
    156
    
    Graphics Controller Error (no Controller)
    156
    
    Intel Trusted Execution Technology (TXT) Error
    156
    
    Sure Start Unable to Find Valid BIOS Boot Block Image
    156
    
    POST Error Messages and User Actions
    157
    
    Sure Start Has Identified a Problem (Manual Recovery Policy Set)
    157
    
    Bug Check Symbolic Names
    159
    
    Common Blue Screen Error Messages
    159
    
    Error Message List
    159
    
    Routine Maintenance for Performance Improvement
    159
    
    Microsoft General Troubleshooting of Windows Bug Check Codes
    160
    
    Use Windows Debugging Tool
    160
    
    Windows Software Development Kit (SDK)
    161
    
    Display Issue: Pixel Anomalies
    165
    
    Cable Management
    166
    
    Connector Types
    167
9 Computer Setup (BIOS), TPM, and HP Sure Start

169
- Using Computer Setup
  169
  - Starting Computer Setup
    169
  - Navigating and Selecting in Computer Setup
    169
  - Restoring Factory Settings in Computer Setup
    169
  - Updating the BIOS
    170
    
    Determining the BIOS Version
    170
    
    Downloading a BIOS Update
    171
  - Changing the Boot Order Using the F9 Prompt
    171
- TPM BIOS Settings (Select Products Only)
  172
- Using HP Sure Start (Select Products Only)
  172
10 Using HP PC Hardware Diagnostics (UEFI)

173
- Downloading HP PC Hardware Diagnostics (UEFI) to a USB Device
  173
11 Backup and Recovery

175
12 Specifications

181
- Computer Specifications
  181
- 39.6-CM (15.6-In) Display Specifications
  182
- Solid-State Drive Specifications
  182
- Hard Drive Specifications
  183
13 Power Cord Set Requirements

184
- Requirements for All Countries
  184
- Requirements for Specific Countries and Regions
  184
14 Statement of Memory Volatility

186
- Nonvolatile Memory Usage
  189
- Questions and Answers
  191
- Using HP Sure Start (Select Models Only)
  192
15 Recycling

193
Index

194

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