Acer 4740G User Manual download pdf (Page 75)

Chapter 3 65

5. Push the Switch Cover downward (1) and lift the leftside of the cover upward (2) to release the securing pins.

6. Lift the left side of the Switch Cover first and gently rotate it from left to right while lifting the right side clear of

the casing.

7. Lift the Switch Cover clear of the chassis.

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 217 218

Aspire 4740/4740G Series 1
Service Guide 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 10
System Specifications 11
Environment 13
System Block Diagram 14
Your Acer Notebook tour 15
Closed Front View 17
Left View 18
Right View 19
Rear View 19
Easy-Launch Buttons 21
Indicators 21
Using the Keyboard 23
Windows Keys 24
Hot Keys 25
Special Key 26
Using the System Utilities 27
Chapter 1 23 33
• Samsung LTN140AT01-G01 35
• AUO B140XW01 35
• LG LP140WH1 35
• CMO N140B6 - L02 35
System Utilities 39
Information 40
Security 42
Setting a Password 43
Removing a Password 43
Set Supervisor Password 44
BIOS Flash Utility 47
DOS Flash Utility 48
Chapter 2 39 49
WinFlash Utility 50
Removing BIOS Passwords: 52
Cleaning BIOS Passwords 53
Miscellaneous Utilities 54
46 Chapter 2 56
Disassembly Requirements 57
Chapter 3 57
General Information 58
Removing the Battery Pack 60
Removing the SD Dummy Card 61
Removing the Lower Covers 62
Chapter 3 53 63
Removing the WLAN Module 64
Chapter 3 55 65
Removing the DIMM Modules 66
58 Chapter 3 68
Step Size Quantity Screw Type 68
HDD Carrier M3*3 4 68
Main Unit Disassembly Process 71
Removing the Hinge Covers 73
Removing the Switch Cover 74
Chapter 3 65 75
Removing the Keyboard 76
Removing the Speaker Module 77
68 Chapter 3 78
Removing the LCD Module 79
70 Chapter 3 80
Chapter 3 71 81
Chapter 3 73 83
Removing the Upper Cover 84
78 Chapter 3 88
Removing the TouchPad Bracket 89
80 Chapter 3 90
Removing the Media Board 91
82 Chapter 3 92
Media Board M2.5*3 2 92
Removing the USB Board 93
84 Chapter 3 94
Removing the Modem Module 95
Removing the Bluetooth Module 96
Chapter 3 87 97
Bluetooth Module M2.5*3 1 97
Removing the Mainboard 98
Chapter 3 89 99
Removing the RJ-11 Port 100
Chapter 3 91 101
Removing the Thermal Module 102
Removing the CPU 104
Removing the LCD Bezel 106
Chapter 3 97 107
Removing the Camera Module 108
Removing the LCD Panel 109
100 Chapter 3 110
Removing the Antennas 112
Removing the MIC Module 113
Replacing the MIC Module 114
Replacing the Antennas 115
Chapter 3 107 117
Replacing the LCD Panel 118
Chapter 3 109 119
Replacing the Camera Module 120
Replacing the LCD Bezel 121
Replacing the CPU 122
Replacing the Thermal Module 123
Replacing the RJ-11 Port 124
Replacing the Mainboard 125
Replacing the Modem Module 127
Replacing the USB Board 127
Replacing the Media Board 128
Chapter 3 119 129
Chapter 3 121 131
Replacing the Upper Cover 132
124 Chapter 3 134
Replacing the LCD Module 135
Replacing the Speaker Module 138
Replacing the Keyboard 139
Replacing the Switch Cover 140
Chapter 3 131 141
Replacing the Hinge Covers 142
Replacing the ODD Module 143
Replacing the DIMM Modules 144
Replacing the WLAN Module 145
Replacing the Lower Covers 145
Replacing the Battery 146
Troubleshooting 147
Power On Issue 148
No Display Issue 149
Random Loss of BIOS Settings 150
LCD Failure 151
Built-In Keyboard Failure 151
Touchpad Failure 152
Internal Speaker Failure 152
Sound Problems 153
Internal Microphone Failure 154
HDD Not Operating Correctly 155
ODD Failure 156
Discs Do Not Play 157
Discs Do Not Burn Properly 157
Playback is Choppy 157
Drive Not Detected 158
Drive Read Failure 158
USB Failure (Rightside) 159
Modem Function Failure 159
Wireless Function Failure 160
Bluetooth Function Failure 160
EasyTouch Button Failure 161
Media Board Failure 161
Fingerprint Reader Failure 162
Thermal Unit Failure 162
External Mouse Failure 163
Other Failures 163
Intermittent Problems 164
Undetermined Problems 164
Post Codes 165
Top View 171
Chapter 5 171
Bottom View 172
Clearing Password Check 173
BIOS Recovery by Crisis Disk 174
Chapter 6 175
Main Module 176
Aspire 4740/4740G FRU List 177
Screw List 185
176 Chapter 6 186
Chapter 6 177 187
Aspire 4740 188
Appendix A 188
Aspire 4740G 194
Appendix A 198 208
Test Compatible Components 209
Microsoft 210
7 Environment Test 210
204 Appendix B 214
Online Support Information 215
206 Appendix C 216

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