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Acer Aspire 4553 Acer Aspire 4553, 4553G Service Guide - Page 117

Replacing the Lower Covers, Secure the five captive screws to hold the covers in place.

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Replacing the Lower Covers 1. Replace the HDD Cover as shown. IMPORTANT:Press down around the perimeter of the cover to ensure that the all the securing tabs are snapped correctly. 2. Secure the five captive screws to hold the covers in place. Chapter 3 107

Section	Page
System Specifications	11
Features	11
System Block Diagram	16
Your Acer Aspire Notebook tour	17
Front View	17
Closed Front View	19
Left View	19
Right View	20
Bottom View	20
Indicators	21
TouchPad Basics	22
Using the Keyboard	23
Lock Keys and embedded numeric keypad	23
Windows Keys	24
Hot Keys	25
Hardware Specifications and Configurations	26
System Utilities	41
BIOS Setup Utility	41
Navigating the BIOS Utility	41
Aspire 4553/4553G BIOS	42
Information	42
Main	43
Security	44
Boot	46
Exit	47
BIOS Flash Utilities	48
DOS Flash Utility	49
WinFlash Utility	50
Remove HDD/BIOS Password Utilities	51
Machine Disassembly and Replacement	57
Disassembly Requirements	57
General Information	58
Pre-disassembly Instructions	58
Disassembly Process	58
External Module Disassembly Process	59
External Modules Disassembly Flowchart	59
Removing the Battery Pack	60
Removing the SD dummy card	61
Removing the Lower Cover	62
Removing the Optical Drive Module	63
Removing the DIMM Modules	65
Removing the WLAN Module	66
Removing the Hard Disk Drive Module	68
Main Unit Disassembly Process	69
Main Unit Disassembly Flowchart	69
Removing the Keyboard	70
Removing the Upper Cover	71
Removing the Power Switch Board	74
Removing the Function Board	75
Removing the USB Board	77
Removing the Bluetooth Module	78
Removing the LCD Module	79
Removing the Mainboard	82
Removing the Thermal Module	83
Removing the PCH Thermal Module	85
Removing the CPU	85
Removing the RTC Battery	86
LCD Module Disassembly Process	87
LCD Module Disassembly Flowchart	87
Removing the LCD Bezel	88
Removing the Camera Module	89
Removing the LCD Panel	90
Removing the FPC Cable	91
Removing the Microphone Module	92
Removing the Antennas	93
Removing the Hinges	94
LCD Module Reassembly Procedure	95
Replacing the MIC and WiFi Antennas	95
Replacing the FPC Cable	96
Replacing the LCD Panel	97
Replacing the Webcam	98
Replacing the LCD Bezel	99
Main Module Reassembly Procedure	100
Replacing the RTC Battery	100
Replacing the CPU	100
Replacing the Thermal Module	101
Replacing the PCH Thermal Module	102
Replacing the LCD Module	104
Replacing the Bluetooth Module	107
Replacing the USB Board	108
Replacing the Function Board	109
Replacing the Power Switch Board	109
Replacing the Upper Cover	110
Replacing the Keyboard	113
Replacing the ODD Module	114
Replacing the Hard Disk Drive Module	114
Replacing the WLAN Board	116
Replacing the DIMM Modules	116
Replacing the Lower Covers	117
Replacing the Dummy Cards	118
Replacing the Battery Pack	118
Troubleshooting	119
Common Problems	119
Power On Issue	120
No Display Issue	121
Random Loss of BIOS Settings	122
LCD Failure	123
Built-In Keyboard Failure	123
TouchPad Failure	124
Internal Speaker Failure	124
HDD Not Operating Correctly	126
ODD Failure	127
Wireless Function Failure	130
Thermal Unit Failure	130
External Mouse Failure	131
Other Failures	131
Intermittent Problems	132
Undetermined Problems	132
Post Codes	133
Jumper and Connector Locations	137
Top View	137
Bottom View	138
Clearing Password Check and BIOS Recovery	139
Clearing Password Check	139
Clear CMOS Jumper	139
BIOS Recovery by Crisis Disk	140
FRU (Field Replaceable Unit) List	141
Aspire 4553/4553G Exploded Diagrams	142
LCD Assembly	142
FRU List	145
Screw List	157
Model Definition and Configuration	158
Aspire 4553/4553G	158
Test Compatible Components	183
Microsoft® Windows® 7 Environment Test	184
Online Support Information	193

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