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Acer EZ1601-01 Service Guide - Page 79

Replacing the Mainboard, Replace

UPC - 884483747368

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Replacing the Mainboard 1. Using both hands, insert the left edge of the mainboard into the Back Cover and lower into place, aligning the mainboard with the screw holes. 2. Replace the five screws in the positions indicated below to secure the mainboard to the back cover. Step Mainboard Size M3.0*5 Quantity 5 Screw Type 71 Chapter 3

Section	Page
System Specifications	9
Features	9
System Block Diagram	12
Your eMachines Computer tour	13
Front View	13
Right View	14
Left View	15
Rear View	15
Using the Keyboard	17
Windows Keys	18
Hardware Specifications and Configurations	19
System Utilities	25
BIOS Setup Utility	25
Navigating the BIOS Utility	25
Information	26
Main	27
Advanced	28
Security	29
Power	32
PC Health	33
Boot	34
Exit	35
BIOS Flash Utilities	36
DOS Flash Utility	37
WinPhlash Utility	38
Using DMI Tools	39
Machine Disassembly and Replacement	42
Disassembly Requirements	42
General Information	42
Pre-disassembly Instructions	42
Disassembly Process	43
Disassembly Flowchart	43
Removing the Stand Assembly	45
Removing the LCD Bezel	48
Removing the Switch Board	50
Removing the Support Legs	51
Removing the LCD Module	53
Removing the Inverter Board	55
Removing the LVDS cable and LCD Brackets	57
Removing the ODD Module	59
Removing the ODD Board and Cable	62
Removing the Speakers	63
Removing the WLAN Antennas	64
Removing the RTC Battery	66
Removing the Power Board Cable	67
Removing the HDD Module	68
Removing the WLAN Board	70
Removing the Mainboard	72
Removing the Thermal Module	75
Removing the Memory Module	76
Reassembly Procedure	77
Replacing the Memory Modules	77
Replacing the Thermal Module	77
Replacing the Mainboard	79
Replacing the WLAN Board	82
Replacing the HDD Modules	83
Replacing the Power Board Cable	85
Replacing the RTC Battery	86
Replacing the WLAN Antennas	86
Replacing the Speakers	88
Replacing the ODD Board and Cable	90
Replacing the ODD	91
Replacing the LCD Brackets and Cable	93
Replacing the Inverter Board	94
Replacing the LCD Module	96
Replacing the Support Legs	98
Replacing the Switch Board	99
Replacing the LCD Bezel	100
Replacing the Stand Assembly	101
Troubleshooting	104
Common Problems	104
Component Failure	105
Wireless Failure	109
LCD Failure	111
General Troubleshooting Issues	113
Intermittent Problems	116
Undetermined Problems	116
Jumper and Connector Locations	117
Top View	117
Bottom View	118
Clearing Password Check and BIOS Recovery	119
Clearing Password Check	119
BIOS Recovery by Crisis Disk	120
FRU (Field Replaceable Unit) List	123
eMachines EL7 Exploded Diagrams	123
Main Assembly	123
eMachines EL7 FRU List	125
Screw List	128
Model Definition and Configuration	130
Test Compatible Components	140
Microsoft® Windows® Vista Environment Test	141
Online Support Information	150

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