Acer ASPIRE 5251 Manuals

Acer ASPIRE 5251 Manuals

Manuals and User Guides for Acer ASPIRE 5251. We have 2 Acer ASPIRE 5251 manuals available for free PDF download: Quick Manual, Service Manual

Acer ASPIRE 5251 Quick Manual

Acer ASPIRE 5251 Quick Manual (313 pages)

Brand: Acer | Category: Laptop | Size: 13.05 MB

Table of Contents

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Acer ASPIRE 5251 Service Manual

Acer ASPIRE 5251 Service Manual (210 pages)

Acer Laptop User Manual

Brand: Acer | Category: Laptop | Size: 11.2 MB

Table of Contents

Revision History
2
Conventions
4
Table of Contents
7
System Specifications

11
- Features
  11
  - Storage Subsystem
    12
  - Optical Media Drive
    12
  - Privacy Control
    13
  - Dimensions and Weight
    13
  - Power Subsystem
    13
  - Special Keys and Controls
    13
  - Optional Items
    14
- System Block Diagram
  15
- Your Acer Notebook Tour
  16
  - Front View
    16
  - Closed Front View
    17
  - Left View
    17
  - Right View
    18
  - Bottom View
    19
  - Indicators
    19
  - Touchpad Basics
    20
- Using the Keyboard
  21
  - Lock Keys and Embedded Numeric Keypad
    21
  - Windows Keys
    22
  - Hot Keys
    23
- Hardware Specifications and Configurations
  24
System Utilities

35
- BIOS Setup Utility
  35
  - Navigating the BIOS Utility
    35
- Aspire 5251/5551G/5551 BIOS
  36
  - Information
    36
  - Main
    37
  - Security
    38
    
    Setting a Password
    39
    
    Removing a Password
    39
    
    Changing a Password
    40
  - Boot
    41
  - Exit
    42
- BIOS Flash Utilities
  43
  - DOS Flash Utility
    44
  - Winflash Utility
    46
- Remove HDD/BIOS Password Utilities
  47
Machine Disassembly and Replacement

53
- Disassembly Requirements
  53
  - Pre-Disassembly Instructions
    54
  - Disassembly Process
    55
- External Module Disassembly Process
  56
- Main Unit Disassembly Process
  68
  - Main Unit Disassembly Flowchart
    68
  - Removing the Keyboard
    69
  - Removing the Upper Cover
    71
  - Removing the Left Speaker Module
    75
  - Removing the Right Speaker Module
    77
  - Removing the Power Board
    79
  - Removing the Touchpad Bracket
    80
  - Removing the Card Reader Board
    82
  - Removing the USB Board
    83
  - Removing the Bluetooth Board
    85
  - Removing the Mainboard
    86
  - Removing the Thermal Module
    91
  - Removing the CPU
    93
- LCD Module Disassembly Process
  94
  - LCD Module Disassembly Flowchart
    94
  - Removing the LCD Assembly
    95
  - Removing the LCD Bezel
    98
  - Removing the Camera Module
    99
  - Removing the LCD Panel
    100
  - Removing the LCD Brackets and LVDS Cable
    101
  - Removing the Microphone Cable
    104
  - Removing the Antennas
    106
- LCD Module Reassembly Procedure
  108
  - Replacing the Antennas
    108
  - Replacing the Microphone Cable
    110
  - Replacing the LCD Brackets and LVDS Cable
    111
  - Replacing the LCD Panel
    113
  - Replacing the Camera Module
    114
  - Replacing the LCD Bezel
    115
  - Replacing the LCD Assembly
    116
- Main Module Reassembly Procedure
  119
  - Replacing the CPU
    119
  - Replacing the Thermal Module
    120
  - Replacing the Mainboard
    122
  - Replacing the Bluetooth Board
    125
  - Replacing the USB Board
    126
  - Replacing the Card Reader Board
    128
  - Replacing the Touchpad Bracket
    129
  - Replacing the Power Board
    131
  - Replacing the Right Speaker Module
    132
  - Replacing the Left Speaker Module
    133
  - Replacing the Upper Cover
    134
  - Replacing the Keyboard
    137
  - Replacing the Hard Disk Drive Module
    138
  - Replacing the WLAN Module
    139
  - Replacing the DIMM Modules
    140
  - Replacing the 3G Cover
    141
  - Replacing the Logic Lower Door
    142
  - Replacing the ODD Module
    143
  - Replacing the SD Dummy Card
    144
  - Replacing the Battery
    145
Troubleshooting

147
- Common Problems
  147
  - Power on Issue
    148
  - No Display Issue
    149
  - Random Loss of BIOS Settings
    150
  - LCD Failure
    151
  - Built-In Keyboard Failure
    151
  - Touchpad Failure
    152
  - Internal Speaker Failure
    152
    
    Sound Problems
    153
    
    Microphone Problems
    153
  - HDD Not Operating Correctly
    154
  - ODD Failure
    155
  - Wireless Function Failure
    158
  - Thermal Unit Failure
    158
  - External Mouse Failure
    159
  - Other Failures
    159
- Intermittent Problems
  160
- Undetermined Problems
  160
- Post Codes
  161
Jumper and Connector Locations

165
- Top View
  165
- Bottom View
  166
- USB/B Board
  167
- Power Board
  167
- CR/B Board
  168
- Clearing Password Check and BIOS Recovery
  169
  - Clearing Password Check
    169
  - Clear CMOS Jumper
    169
  - BIOS Recovery by Crisis Disk
    170
    
    Bios Recovery Boot Block
    170
    
    BIOS Recovery Hotkey
    170
    
    Steps for BIOS Recovery from USB
    170
FRU (Field Replaceable Unit) List

171
- Aspire 5251/5551G/5551 Exploded Diagrams
  172
  - Main Assembly
    172
  - Base Assembly
    173
  - LED Assembly
    174
- Aspire 5251/5551G/5551 FRU List
  175
- Screw List
  176
Model Definition and Configuration

178
- Aspire 5251
  178
- Aspire 5551G
  180
- Aspire 5551
  189
Test Compatible Components

197
- Microsoft® Windows® 7 Environment Test
  198
Online Support Information

205
Index

207

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