User Manuals: eMachines HM50-MV Laptop

Manuals and User Guides for eMachines HM50-MV Laptop. We have 1 eMachines HM50-MV Laptop manual available for free PDF download: Service Manual

eMachines HM50-MV Service Manual

eMachines HM50-MV Service Manual (236 pages)

Brand: eMachines | Category: Laptop | Size: 8 MB

Table of Contents

Revision History
2
Table of Contents
7
System Specifications

11
- Features
  11
  - Dimensions and Weight
    12
  - Privacy Control
    12
  - Power Subsystem
    12
  - Special Keys and Controls
    12
- System Block Diagram
  14
- Your Acer Notebook Tour
  15
  - Front View
    15
  - Closed Front View
    16
  - Rear View
    17
  - Left View
    17
  - Right View
    18
  - Bottom View
    18
  - Indicators
    20
  - Touchpad Basics
    21
- Using the Keyboard
  22
  - Lock Keys and Embedded Numeric Keypad
    22
  - Windows Keys
    23
  - Hot Keys
    24
  - Special Key
    25
- Using the System Utilities
  26
  - Acer Gridvista (Dual-Display Compatible)
    26
- Hardware Specifications and Configurations
  27
System Utilities

35
- BIOS Setup Utility
  35
  - Navigating the BIOS Utility
    35
- HM50-MV Intel BIOS
  36
  - Information
    36
  - Main
    37
  - Advanced
    38
  - Security
    40
    
    Setting a Password
    41
    
    Removing a Password
    41
    
    Changing a Password
    42
  - Power
    43
  - Boot
    45
  - Exit
    46
- BIOS Flash Utilities
  47
  - DOS Flash Utility
    48
  - Winflash Utility
    50
- Remove HDD/BIOS Password Utilities
  51
Machine Disassembly and Replacement

57
- Disassembly Requirements
  57
  - Pre-Disassembly Instructions
    58
  - Disassembly Process
    58
- External Module Disassembly Process
  59
- Main Unit Disassembly Process
  70
  - Main Unit Disassembly Flowchart
    70
  - Removing the Switch Cover
    71
  - Removing the Keyboard
    72
  - Removing the LCD Module
    73
  - Removing the Upper Cover
    77
  - Removing the Power Board
    81
  - Removing the Left Speaker Module
    82
  - Removing the Right Speaker Module
    84
  - Removing the Touchpad Bracket
    86
  - Removing the Mainboard
    88
  - Removing the RTC Battery
    89
  - Removing the Thermal Module
    90
  - Removing the CPU Fan
    92
  - Removing the CPU
    94
- LCD Module Disassembly Process
  95
  - LCD Module Disassembly Flowchart
    95
  - Removing the LCD Bezel
    96
  - Removing the Camera Module
    97
  - Removing the LCD Panel
    98
  - Removing the LCD Brackets and FPC Cable
    100
  - Removing the Antennas
    102
- LCD Module Reassembly Procedure
  105
  - Replacing the Antennas
    105
  - Replacing the LCD Panel
    108
  - Replacing the Camera Module
    110
  - Replacing the LCD Bezel
    111
- Main Module Reassembly Procedure
  113
  - Replacing the CPU
    113
  - Replacing the CPU Fan
    114
  - Replacing the Thermal Module
    114
  - Replacing the Mainboard
    115
  - Replacing the Touchpad Bracket
    116
  - Replacing the Right Speaker Module
    118
  - Replacing the Left Speaker Module
    119
  - Replacing the Power Board
    120
  - Replacing the Upper Cover
    120
  - Replacing the LCD Module
    124
  - Replacing the Keyboard
    129
  - Replacing the Switch Cover
    130
  - Replacing the Hard Disk Drive Module
    130
  - Replacing the WLAN Module
    132
  - Replacing the DIMM Modules
    132
  - Replacing the ODD Module
    133
  - Replacing the Lower Covers
    133
  - Replacing the SD Dummy Card
    134
  - Replacing the Battery
    135
Troubleshooting

137
- Common Problems
  137
  - Power on Issue
    138
  - No Display Issue
    139
  - Random Loss of BIOS Settings
    140
  - LCD Failure
    141
  - Built-In Keyboard Failure
    141
  - Touchpad Failure
    142
  - Internal Speaker Failure
    142
    
    Sound Problems
    143
    
    Microphone Problems
    143
  - HDD Not Operating Correctly
    144
  - ODD Failure
    145
  - Wireless Function Failure
    148
  - Thermal Unit Failure
    148
  - External Mouse Failure
    149
  - Other Failures
    149
- Intermittent Problems
  150
- Undetermined Problems
  150
- Post Codes
  151
  - Sec
    151
  - Memory
    151
  - BDS & Specific Action
    152
  - Each PEIM Entry Point Used in 80_PORT
    154
  - Each Driver Entry Point Used in 80_PORT
    154
  - Each Smmdriver Entry Point Used in 80_PORT
    158
Jumper and Connector Locations

159
- Top View
  159
- Bottom View
  160
- Power Board
  161
- Clearing Password Check and BIOS Recovery
  162
  - Clearing Password Check
    162
  - Steps for Clearing Bios Password Check
    162
  - Clear CMOS Jumper
    162
  - BIOS Recovery by Crisis Disk
    163
FRU (Field Replaceable Unit) List

165
- Emachines HM50-MV Exploded Diagrams
  166
  - Main Assembly
    166
  - Mainboard Assembly
    167
  - Base Assembly
    168
- Emachines HM50-MV FRU List
  169
- Screw List
  178
Model Definition and Configuration

180
Test Compatible Components

217
Online Support Information

231

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