System Specifications 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Left View 9 Right View 10 Bottom View 11 11 Indicators 11 TouchPad Basics 13

Using the Keyboard 14

Lock Keys and embedded numeric keypad 14 Windows Keys 15

Hot Keys 16

Hardware Specifications and Configurations 17

System Utilities 25

BIOS Setup Utility 25

Navigating the BIOS Utility 25

Aspire 4820T BIOS 26

Information 26

Main 27

Security 28

Boot 31

Exit 32

BIOS Flash Utilities 33

DOS Flash Utility 34

WinFlash Utility 36

Remove HDD/BIOS Password Utilities 37

Machine Disassembly and Replacement 43

Disassembly Requirements 43

General Information 44

Pre-disassembly Instructions 44

Disassembly Process 44

External Module Disassembly Process 45

External Modules Disassembly Flowchart 45

Removing the Battery Pack 46

Removing the SD dummy card 47

Removing the SIM card 48

Removing the Lower Cover 49

Removing the Optical Drive Module 50

Removing the DIMM Modules 52

Removing the WLAN Module 53

Removing the Hard Disk Drive Module 54

Main Unit Disassembly Process 55

Main Unit Disassembly Flowchart 55

Removing the Keyboard 56

Removing the Upper Cover 58

Removing the Power Switch Board 61

Removing the Function Board 62

Removing the Left Speaker Module 63

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Acer 4820T manual System Specifications