eMachines eMachines HM50-YK Manuals

eMachines eMachines HM50-YK Manuals

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

eMachines eMachines HM50-YK Service Manual

eMachines eMachines HM50-YK Service Manual (200 pages)

Notebook

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

Table of Contents

Table of Contents

7
- Revision History
  2
- System Specifications
  
  11
  - Features
    11
    
    Operating System
    11
    
    Optical Drive
    11
    
    Storage Subsystem
    11
    
    System Memory
    11
    
    Dimensions and Weight
    12
    
    Power Subsystem
    12
    
    Privacy Control
    12
    
    Special Keys and Controls
    12
  - System Block Diagram
    14
  - Your Acer Notebook Tour
    15
    
    Front View
    15
    
    Closed Front View
    16
    
    Left View
    17
    
    Rear View
    17
    
    Bottom View
    18
    
    Right 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-Yk Amd Bios
    36
    
    Information
    36
    
    Main
    37
    
    Security
    38
    
    Changing a Password
    40
    
    Boot
    41
    
    Exit
    42
  - BIOS Flash Utilities
    43
    
    DOS Flash Utility
    44
    
    Winflash Utility
    45
  - Remove HDD/BIOS Password Utilities
    46
    
    Using Boot Sequence Selector
    48
    
    Using Dmitools
    49
    
    Using the Lan Mac Eeprom Utility
    50
- Machine Disassembly and Replacement
  
  51
  - Disassembly Requirements
    51
    
    Disassembly Process
    52
    
    Pre-Disassembly Instructions
    52
  - External Module Disassembly Process
    53
    
    External Modules Disassembly Flowchart
    53
    
    Removing the Battery Pack
    54
    
    Removing the SD Dummy Card
    55
    
    Removing the Lower Covers
    56
    
    Removing the Optical Drive Module
    57
    
    Removing the DIMM Modules
    59
    
    Removing the WLAN Module
    60
    
    Removing the Hard Disk Drive Module
    62
  - Main Unit Disassembly Process
    64
    
    Main Unit Disassembly Flowchart
    64
    
    Removing the Switch Cover
    65
    
    Removing the Keyboard
    66
    
    Removing the LCD Module
    67
    
    Removing the Upper Cover
    71
    
    Removing the Power Board
    75
    
    Removing the Left Speaker Module
    76
    
    Removing the Right Speaker Module
    78
    
    Removing the Touchpad Bracket
    80
    
    Removing the Mainboard
    82
    
    Removing the RTC Battery
    83
    
    Removing the Thermal Module
    84
    
    Removing the CPU Fan
    86
    
    Removing the CPU
    88
  - LCD Module Disassembly Process
    89
    
    LCD Module Disassembly Flowchart
    89
    
    Removing the LCD Bezel
    90
    
    Removing the Camera Module
    91
    
    Removing the LCD Panel
    92
    
    Removing the LCD Brackets and FPC Cable
    94
    
    Removing the Antennas
    96
  - LCD Module Reassembly Procedure
    99
    
    Replacing the Antennas
    99
    
    Replacing the LCD Panel
    102
    
    Replacing the Camera Module
    104
    
    Replacing the LCD Bezel
    105
  - Main Module Reassembly Procedure
    107
    
    Replacing the CPU
    107
    
    Replacing the CPU Fan
    108
    
    Replacing the Thermal Module
    108
    
    Replacing the Mainboard
    109
    
    Replacing the Touchpad Bracket
    110
    
    Replacing the Right Speaker Module
    112
    
    Replacing the Left Speaker Module
    113
    
    Replacing the Power Board
    114
    
    Replacing the Upper Cover
    114
    
    Replacing the LCD Module
    118
    
    Replacing the Keyboard
    123
    
    Replacing the Hard Disk Drive Module
    124
    
    Replacing the Switch Cover
    124
    
    Replacing the DIMM Modules
    126
    
    Replacing the WLAN Module
    126
    
    Replacing the Lower Covers
    127
    
    Replacing the ODD Module
    127
    
    Replacing the SD Dummy Card
    128
    
    Replacing the Battery
    129
Troubleshooting

131
- Common Problems
  131
  - Power on Issue
    132
  - No Display Issue
    133
  - Random Loss of BIOS Settings
    134
  - Built-In Keyboard Failure
    135
  - LCD Failure
    135
- Internal Keyboard Failure
  135
  - Internal Speaker Failure
    136
  - Touchpad Failure
    136
  - Microphone Problems
    137
  - Sound Problems
    137
  - HDD Not Operating Correctly
    138
  - ODD Failure
    139
  - Thermal Unit Failure
    142
  - Wireless Function Failure
    142
- WLAN Failure
  142
  - External Mouse Failure
    143
  - Other Failures
    143
- Other Functions Failure
  143
- Intermittent Failures
  144
- Intermittent Problems
  144
- Undermined Failures
  144
- Undetermined Problems
  144
- Post Codes
  145
- Jumper and Connector Locations
  
  149
  - Top View
    149
  - Bottom View
    150
  - Power Board
    151
  - Clearing Password Check and BIOS Recovery
    152
    
    Clear CMOS Jumper
    152
    
    Clearing Password Check
    152
    
    BIOS Recovery by Crisis Disk
    153
- FRU (Field Replaceable Unit) List
  
  155
  - Emachines HM50-YK Exploded Diagrams
    156
    
    Main Assembly
    156
    
    Base Assembly
    157
    
    Rear Assembly
    158
  - Emachines HM50-YK FRU List
    159
  - Screw List
    166
- Model Definition and Configuration
  
  168
- Test Compatible Components
  
  187
- Online Support Information
  
  195
- Index
  
  197

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