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Acer Aspire X3910 Service Guide - Page 55

Remove the screw D on the rear panel., Lift the board from the chassis., Screw Quantity

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12. Remove the screw (D) on the rear panel. Screw (Quantity) M3xL5 BZN (1) Color Black 13. Lift the board from the chassis. Torque 5.5 to 6.5 kgf-cm Part No. 86.5A5B6.012 NOTE: The mainboard has been highlighted with a yellow rectangle as above image shows. Please detach the mainboard and follow local regulations for disposal. Chapter 3 47

Section	Page
System Components	12
Front Panel	12
Rear Panel	14
Internal Components	15
System LED Indicators	16
CMOS Setup Utility	17
Entering CMOS setup	18
Navigating Through the Setup Utility	18
Setup Utility Menus	19
BIOS Recovery	33
Disassembly Requirements	35
Pre-disassembly Procedure	36
Main Unit Disassembly	37
Removing the Side Panel	38
Removing the Front Bezel	39
Removing the Heat Sink Fan Assembly	40
Removing the Processor	41
Removing the Optical Drive	42
Removing the Hard Disk Drive	45
Removing the Power Supply	46
Removing the Memory Modules	48
Removing the TV Tuner Card	49
Removing the VGA Card	50
Removing the Front I/O and Card Reader Boards	51
Removing the Mainboard	54
Hardware Diagnostic Procedure	57
System Check Procedures	58
Power System Check	58
System External Inspection	58
System Internal Inspection	58
Checkpoints	59
Viewing BIOS checkpoints	59
Bootblock Initialization Code Checkpoints	59
Bootblock Recovery Code Checkpoints	60
POST Code Checkpoints	61
DIM Code Checkpoints	63
Beep Codes	64
Boot Block Beep Codes	64
POST BIOS Beep Codes	64
Error Messages	66
Memory	66
Boot	66
Storage Device	67
Virus Related	68
System Configuration	69
CMOS	70
Miscellaneous	70
USB eModule Error Messages	71
SMBIOS eModule Error Messages	71
CPU eModule Error Messages	71
MPS Table (Multi-processor) eModule Error Messages	71
Online Support Information	72
System Block Diagram	73
Board Layout	74
Mainboard	74
System Jumper	76
X3910 Exploded Diagram	78

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