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Acer Aspire 4715Z Aspire 4315 / 4715Z Service Guide - Page 79

Disconnect the audio board cable from the mainboard., Remove the two screws A on

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14. Disconnect the audio board cable from the mainboard. 15. Remove the two screws (A) on the audio board. Step 1~2 Size (Quantity) M2 x L4 (2) 16. Remove the audio board. Color Black Torque 1.6 kgf-cm Chapter 3 69

Section	Page
Cover	1
Table of Contents	7
System Specification	11
Features	11
Your Acer Notebook Tour	13
Front View	13
Closed Front View	14
Left View	14
Right View	15
Rear Panel	15
Bottom Panel	16
Indicators	17
Easy-launch Buttons	18
Touchpad	19
Touchpad Basics	19
Using the Keyboard	21
Lock Keys and Embedded Numeric Keypad	21
Windows Keys	22
Hotkeys	23
Special Keys	24
Using the System Utilities	25
Acer Empowering Technology	25
Empowering Technology Password	25
Acer eNet Management	26
Acer ePower Management	28
Acer ePresentation Management	30
Acer eDataSecurity Management (for selected models)	31
Acer eLock Management	32
Acer eRecovery Management	33
Acer eSettings Management	34
Windows Mobility Center	35
Acer GridVista (dual-display compatible)	36
Launch Manager	37
Norton Internet Security	37
Hardware Specifications and Configurations	38
System Utilities	45
BIOS Setup Utility	45
Entering BIOS Setup	45
BIOS Setup Primary Menus	45
BIOS Setup Navigation Keys	45
Information Menu	46
Main Menu	47
Security Menu	48
Clearing the Supervisor or User Password	49
Boot Menu	51
Exit Menu	52
BIOS Recovery	53
Machine Disassembly and Replacement	55
Disassembly Requirements	55
General Information	56
Pre-disassembly Instructions	56
Disassembly Process	57
External Module Disassembly Process	58
External Modules Disassembly Flowchart	58
Removing the Battery Pack	59
Removing the Express Dummy Card	59
Removing the Lower Cover	60
Removing the DIMM	61
Removing the WLAN Board Module	62
Removing the Hard Disk Drive Module	63
Removing the Optical Drive Module	64
Main Unit Disassembly Process	66
Main Unit Disassembly Flowchart	66
Removing the CPU Heatsink Module	67
Removing the CPU	68
Removing the Keyboard	69
Removing the Middle Cover	70
Removing the LCD Module	71
Separating the Upper Case from the Lower Case	73
Removing the Speaker Modules	75
Removing the Launch Board Bracket	76
Removing the Touchpad Board Module	77
Removing the Audio Board	78
Removing the USB Board	80
Removing the Mainboard	81
Removing the Modem Board	82
Removing the RTC Battery	84
LCD Module Disassembly Process	86
LCD Module Disassembly Flowchart	86
Removing the LCD Bezel	87
Removing the Camera Board	88
Removing the Inverter Board	89
Removing the LCD with Brackets	90
Removing the LCD Brackets	93
Removing the LCD Module Hinges	93
Removing the Antenna	94
Removing the Microphone	95
Troubleshooting	97
System Check Procedures	98
External CD/DVD-ROM Drive Check	98
Keyboard or Auxiliary Input Device Check	98
Memory Check	98
Power System Check	99
Touchpad Check	100
Power-On Self-Test (POST) Error Message	101
Index of Error Messages	102
Phoenix BIOS Beep Codes	104
Index of Symptom-to-FRU Error Message	108
Intermittent Problems	112
Undetermined Problems	113
System Block Diagram and Connector Locations	115
System Block Diagram	115
Board Layout	116
Top View	116
Bottom View	117
Hardware Gap Setting	118
FRU (Field Replaceable Unit) List	119
Aspire 4715Z/4315 Exploded Diagram	120
Aspire 4715Z FRU List (No: LX.AL40C.013)	121
Aspire 4715Z FRU List (No: LX.AL10Y.001/003/015)	129
Aspire 4315 FRU List (No: LX.AKZ0C.007)	137
Model Definition and Configuration	146
Aspire 4715Z/4315	146
Test Compatible Components	147
Microsoft® Windows® Vista™ Compatibility Test	148

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