Acer 4820T User Manual Page 21
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Chapter 1 11
Bottom View
Indicators
The computer has several easy-to-read status indicators.
No. Icon Item Description
1 Battery bay Houses the computer's battery pack.
2 Battery lock Locks the battery in position.
3 Hard disk bay Houses the computer's hard disk (secured
with screws).
4 Memory
compartment
Houses the computer's main memory.
5 Ventilation slots
and cooling fan
Enable the computer to stay cool, even after
prolonged use.
Note: Do not cover or obstruct the fan opening.
6 Battery release
latch
Releases the battery for removal.
Icon Function Description
Power Indicates the computer's power status.
1
2
3
4
5
6
- Acer Aspire 4820T 1
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- Mini Card 12
- Optical Drive 12
- Communication 12
- Optional Items 14
- Warranty 15
- Environment 15
- System Block Diagram 16
- Your Acer Notebook tour 17
- Closed Front View 19
- Left View 19
- Right View 20
- Indicators 21
- TouchPad Basics 23
- Using the Keyboard 24
- Windows Keys 25
- Hot Keys 26
- • Intel® WiFi Link 1000 28
- Item Specification 30
- ACPI 2.0 32
- 24 Chapter 1 34
- System Utilities 35
- Aspire 4820T BIOS 36
- Security 38
- Setting a Password 39
- Removing a Password 39
- Changing a Password 40
- Chapter 2 31 41
- BIOS Flash Utilities 43
- DOS Flash Utility 44
- Chapter 2 35 45
- WinFlash Utility 46
- Using Boot Sequence Selector 49
- Using DMITools 50
- 42 Chapter 2 52
- Disassembly Requirements 53
- Chapter 3 53
- General Information 54
- Removing the Battery Pack 56
- Removing the SD dummy card 57
- Removing the SIM card 58
- Removing the Lower Cover 59
- Chapter 3 51 61
- Step Size Quantity Screw Type 61
- ODD Bracket M2.0*3L 2 61
- Removing the DIMM Modules 62
- Removing the WLAN Module 63
- Main Unit Disassembly Process 65
- Removing the Keyboard 66
- Chapter 3 57 67
- Removing the Upper Cover 68
- Removing the LED Board 71
- Removing the Switch Board 72
- Removing the USB Board 74
- Chapter 3 65 75
- Removing the 3G Module 76
- Removing the Bluetooth Module 77
- 68 Chapter 3 78
- Removing the Mainboard 79
- Removing the Thermal Module 81
- Removing the CPU 82
- Removing the RTC Battery 83
- Removing the Right Speaker 84
- Removing the LCD Module 85
- Removing the DC-In Cable 86
- Removing the LCD Bezel 88
- Removing the Camera Module 89
- Removing the LCD Panel 90
- Removing the FPC Cable 91
- Removing the Hinges 92
- Removing the Antennas 93
- 84 Chapter 3 94
- 86 Chapter 3 96
- Replacing the FPC Cable 97
- Replacing the LCD Panel 97
- Replacing the Webcam 98
- Replacing the LCD Bezel 99
- 90 Chapter 3 100
- Replacing the DC-In Cable 101
- Replacing the LCD Module 102
- Replacing the Right Speaker 102
- Replacing the RTC Battery 103
- Replacing the Thermal Module 104
- Replacing the CPU 104
- Replacing the Mainboard 105
- Chapter 3 97 107
- Replacing the 3G Module 108
- Chapter 3 99 109
- Replacing the USB Board 110
- Chapter 3 101 111
- Replacing the Switch Board 112
- Replacing the LED Board 112
- Replacing the Upper Cover 113
- 104 Chapter 3 114
- Chapter 3 105 115
- Replacing the Keyboard 116
- Chapter 3 107 117
- Replacing the WLAN Board 118
- Replacing the DIMM Modules 118
- Replacing the ODD Module 119
- Replacing the Lower Covers 120
- Replacing the Dummy Card 121
- Replacing the SIM card 121
- Replacing the Battery Pack 122
- Troubleshooting 123
- Power On Issue 124
- No Display Issue 125
- Random Loss of BIOS Settings 126
- LCD Failure 127
- Built-In Keyboard Failure 127
- TouchPad Failure 128
- Internal Speaker Failure 128
- Sound Problems 129
- Microphone Problems 129
- HDD Not Operating Correctly 130
- ODD Failure 131
- Discs Do Not Play 132
- Discs Do Not Burn Properly 132
- Playback is Choppy 132
- Drive Not Detected 133
- Drive Read Failure 133
- Wireless Function Failure 134
- Thermal Unit Failure 134
- External Mouse Failure 135
- Other Failures 135
- Intermittent Problems 136
- Undetermined Problems 136
- Post Codes 137
- 132 Chapter 4 142
- Chapter 5 143
- Bottom View 144
- Clearing Password Check 145
- BIOS Recovery by Crisis Disk 146
- Chapter 6 147
- LCD Assembly 148
- Chassis Assembly 149
- 140 Chapter 6 150
- Acer Aspire 4820T FRU List 151
- 142 Chapter 6 152
- Chapter 6 143 153
- 144 Chapter 6 154
- Chapter 6 145 155
- 146 Chapter 6 156
- Screw List 157
- Acer Aspire 4820T Series 158
- Appendix A 158
- Appendix A 208 220
- Test Compatible Components 221
- Microsoft 222
- 7 Environment Test 222
- Online Support Information 223
- 212 Appendix C 224
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