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Acer Aspire G5900 Service Guide - Page 38

Removing the Heat Sink Fan Assembly

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Removing the Heat Sink Fan Assembly WARNING:The heat sink becomes very hot when the system is on. NEVER touch the heat sink with any metal or with your hands. 1. Disconnect the fan cable from the mainboard. 2. Use a long-nosed screwdriver to loosen the four screws on the heat sink, in the order as shown below. Chapter 3 30

Section	Page
Predator G5900 Service Guide	1
Revision History	2
Copyright	3
Disclaimer	4
Conventions	5
Table of Contents	7
System Tour	9
Features	9
Block Diagram	12
System Components	13
Front Panel	13
Rear Panel	14
Hardware Specifications and Configurations	15
Power Management Function(ACPI support function)	18
System Utilities	19
CMOS Setup Utility	19
Entering CMOS setup	20
Navigating Through the Setup Utility	20
Setup Utility Menus	21
System Disassembly	34
Disassembly Requirements	34
Pre-disassembly Procedure	35
Removing the Side Panel	36
Removing the Front Bezel	37
Removing the Heat Sink Fan Assembly	38
Removing the Processor	40
Removing the VGA Card	41
Removing the Wireless LAN Card	43
Removing the Memory Module	44
Removing the System Fan	45
Removing the Daughter Board	46
Removing Other Side Panel	48
Removing the Hard Disk Drive	49
Removing the Removable Hard Disk Drive	51
Removing the Optical Drive	54
Removing the Power Supply	56
Removing the Motherboard	57
Removing the Card Reader	60
Removing the Top Cover	62
Removing the Power Switch and LED Cable Assembly	63
Removing the Front I/O and USB Board	65
System Troubleshooting	67
Hardware Diagnostic Procedure	67
System Check Procedures	68
Power System Check	68
System External Inspection	68
System Internal Inspection	68
Beep Codes	69
Checkpoints	70
Viewing BIOS checkpoints	70
Bootblock Initialization Code Checkpoints	70
Bootblock Recovery Code Checkpoints	72
BIOS Recovery	73
Jumper and Connector Information	74
M/B Placement	74
Jumper Setting	76
Setting Jumper	76
FRU (Field Replaceable Unit) List	82
Predator G5900 Exploded Diagram	83
Predator G5900 FRU List	85
Intel RAID SOP	90
1.INTEL® MATRIX STORAGE TECHNOLOGY CHECK(DOS)	90

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