Emachines D720 User Manual Page 14
- Page / 174
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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4 Chapter 1
Your Acer Notebook tour
After knowing your computer features, let us show you around your new computer.
Front View
No. Icon Item Description
1 Microphone Internal microphone for sound recording.
2 Integrated
webcam
Web camera for video communication
(for selected models).
3 Display screen Also called Liquid-Crystal Display (LCD),
displays computer output.
4 Power button Turns the computer on and off.
5 Wireless LAN
communication
button/indicator
Enables/disables the wireless LAN function.
Indicates the status of wireless LAN
communication.
6 Speakers Left and right speakers deliver stereo audio
output.
7 Keyboard For entering data into your computer.
8 Palmrest Comfortable support area for your hands when
you use the computer.
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- System Block Diagram 13
- Your Acer Notebook tour 14
- Closed Front View 15
- Rear View 15
- Left View 16
- Right View 17
- Indicators 19
- Using the Keyboard 21
- Windows Keys 22
- Hot Keys 23
- Special Key 24
- Using the System Utilities 25
- System Utilities 31
- Information 32
- ←→ Select Menu Ente 33
- Advanced 34
- Security 36
- Setting a Password 37
- Removing a Password 37
- Changing a Password 38
- BIOS Flash Utilities 43
- DOS Flash Utility 44
- Chapter 2 35 45
- WinFlash Utility 46
- Key in bios_pw 14452 0 48
- 40 Chapter 2 50
- Disassembly Requirements 51
- Chapter 3 51
- General Information 52
- Removing the Battery Pack 54
- Removing the Lower Covers 55
- 46 Chapter 3 56
- Removing the DIMM Modules 57
- Removing the WLAN Module 58
- Chapter 3 49 59
- Chapter 3 51 61
- Step Size Quantity Screw Type 61
- HDD Carrier M3*3 4 61
- Main Unit Disassembly Process 64
- Removing the Switch Cover 65
- 56 Chapter 3 66
- Removing the Keyboard 67
- Removing the Antenna 68
- Chapter 3 59 69
- Removing the LCD Module 70
- Removing the Upper Cover 72
- 64 Chapter 3 74
- Removing the TouchPad Bracket 75
- Removing the Speaker Modules 77
- 68 Chapter 3 78
- Removing the Power Board 79
- Removing the Modem Module 80
- Removing the Main Board 81
- 72 Chapter 3 82
- Removing the CPU Fan 83
- Removing the Thermal Module 84
- Removing the CPU 85
- Removing the LCD Bezel 87
- Removing the Inverter Board 88
- Removing the Camera Module 89
- Removing the LCD Panel 90
- Removing the Antennas 92
- Removing the MIC Module 93
- Replacing the LCD Panel 94
- Replacing the LCD Bezel 98
- Replacing the CPU 99
- Replacing the Thermal Module 99
- Replacing the CPU Fan Module 100
- Replacing the Mainboard 100
- Replacing the Modem Module 101
- Replacing the Power Board 102
- Replacing the Speaker Module 103
- 94 Chapter 3 104
- Replacing the Upper Case 105
- Replacing the LCD Module 107
- 98 Chapter 3 108
- Replacing the Antenna Cable 109
- Replacing the Keyboard 110
- Replacing the Switch Cover 111
- Replacing the ODD Module 112
- Chapter 3 103 113
- Replacing the WLAN Module 114
- Replacing the DIMM Modules 114
- Replacing the Lower Covers 115
- Replacing the Battery 116
- Troubleshooting 117
- Power On Issue 118
- No Display Issue 119
- Random Loss of BIOS Settings 120
- LCD Failure 121
- Built-In Keyboard Failure 121
- TouchPad Failure 122
- Internal Speaker Failure 122
- Sound Problems 123
- Internal Microphone Failure 124
- HDD Not Operating Correctly 125
- ODD Failure 126
- Discs Do Not Play 127
- Discs Do Not Burn Properly 127
- Playback is Choppy 127
- Drive Not Detected 128
- Drive Read Failure 128
- Modem Function Failure 129
- Wireless Function Failure 129
- Thermal Unit Failure 130
- External Mouse Failure 130
- Other Failures 131
- Intermittent Problems 132
- Undetermined Problems 132
- Post Codes 133
- BDS & Specific action: 134
- Top View 139
- Chapter 5 139
- Bottom View 140
- Clearing Password Check 141
- BIOS Recovery by Crisis Disk 142
- Chapter 6 143
- Main Assembly 144
- LCD Panel 145
- 136 Chapter 6 146
- Chapter 6 137 147
- 138 Chapter 6 148
- Chapter 6 139 149
- Screw List 150
- Chapter 6 141 151
- Appendix A 152
- Appendix A 148 158
- 149 Appendix A 159
- Appendix A 150 160
- 151 Appendix A 161
- Appendix A 152 162
- Test Compatible Components 163
- Microsoft 164
- Vista Environment Test 164
- 160 Appendix B 170
- Online Support Information 171
- 162 Appendix C 172
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