- Page 1 and 2: Acer Aspire 4820T Service Guide Ser
- Page 3 and 4: Copyright Copyright © 2010 by Acer
- Page 5: Preface Before using this informati
- Page 9: No Display Issue 115 Random Loss of
- Page 12 and 13: 6 Table of Contents Removing the Bl
- Page 14 and 15: Table of Contents 8
- Page 16 and 17: Mini Card Audio Storage Optical Dri
- Page 18 and 19: • Adobe ® Flash ® Player 10 •
- Page 20 and 21: System Block Diagram USB board USB
- Page 22 and 23: No. Icon Item Description 4 HDD Ind
- Page 24 and 25: No. Icon Item Description 7 Microph
- Page 26 and 27: Icon Function Description HDD Indic
- Page 28 and 29: Using the Keyboard The keyboard has
- Page 30 and 31: Hot Keys The computer employs hotke
- Page 32 and 33: Item Specification Features • Fla
- Page 34 and 35: Hard Disk Drive Interface Item Spec
- Page 36 and 37: Features • 98dB Signal-to-Noise R
- Page 38 and 39: 24 Chapter 1
- Page 40 and 41: Aspire 4820T BIOS Information The I
- Page 42 and 43: Security The Security screen contai
- Page 44 and 45: Changing a Password 1. Use the ↑
- Page 46 and 47: Exit The Exit screen allows you to
- Page 48 and 49: DOS Flash Utility Perform the follo
- Page 50 and 51: WinFlash Utility Perform the follow
- Page 52 and 53: Removing BIOS Passwords: To clear t
- Page 54 and 55: Using DMITools The DMI (Desktop Man
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42 Chapter 2
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General Information Pre-disassembly
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Removing the Battery Pack 1. Turn c
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Removing the SIM card 1. Push the 3
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Removing the Optical Drive Module 1
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Removing the DIMM Modules 1. See
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Removing the Hard Disk Drive Module
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Removing the Keyboard CAUTION: Usin
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Removing the Upper Cover 1. See “
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8. Remove the eight (8) screws from
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Removing the Function Board 1. See
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Removing the USB Board 1. See See
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Removing the 3G Module 1. See “Re
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Removing the LCD Module 1. See “R
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Removing the Mainboard 1. See “Re
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Removing the Thermal Module 1. See
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Removing the RTC Battery 1. See “
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Removing the DC-In Cable 1. See “
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Removing the LCD Bezel 1. See “Re
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Removing the LCD Panel 1. See “Re
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Removing the Microphone Module 1. S
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5. Remove the adhesive tape and lif
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6. Ensure the antenna cables pass t
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Replacing the Webcam 1. Connect the
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3. Replace the two screws and screw
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Replacing the LCD Module 1. Replace
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Replacing the CPU IMPORTANT:The CPU
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Replacing the Mainboard 1. Place th
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3. Connect the Bluetooth cable to t
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Replacing the Left Speaker Module 1
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Replacing the Upper Cover 1. Place
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6. Connect A as shown. 7. Insert B
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2. Insert the HDD, left side first,
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Replacing the ODD Module 1. Press t
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Replacing the Dummy Card 1. Insert
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112 Chapter 3
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Power On Issue If the system doesn
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Abnormal Video Display If video dis
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TouchPad Failure If the TouchPad do
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HDD Not Operating Correctly If the
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a. Double-click lDE ATA/ATAPI contr
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Wireless Function Failure If the WL
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Intermittent Problems Intermittent
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Functionality Name (Include\ PostCo
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Functionality Name (Include\ PostCo
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132 Chapter 4
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Bottom View Item Description Item D
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BIOS Recovery by Crisis Disk BIOS R
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Acer Aspire 4820T Exploded Diagrams
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No. Description Acer P/N No. Descri
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CABLE Category Part Name Descriptio
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Category Part Name Description HDD
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Category Part Name Description LCD
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MAINBOARD MEMORY Category Part Name
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Screw List Category Partname Descri
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Model Definition and Configuration
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Country Denmark LX.PSE 02.143 Easte
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Country Acer Part No GCTWN LX.PSE 0
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Country Latvia LX.PSE 02.073 Latvia
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Country Germany LX.PSE 02.039 Easte
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Country Acer Part No Singapore LX.P
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Country Belgium LX.PSG 02.098 Switz
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Country Acer Part No GCTWN LX.PSG 0
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Country Holland LX.PSG 02.033 Belgi
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Country ACLA- Spanish ACLA- Spanish
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Country France LX.PSN 02.061 Easter
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Country Italy LX.PSN 02.017 Spain L
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Model Country AS4820TG- 434G50Mn AS
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Model Country AS4820TG- 434G50Mn AS
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Model Country AS4820TG- 434G64Mn AS
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Model Country AS4820TG- 624G64Mn AS
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Model Country AS4820TG- 433G32Mn AS
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Model Country AS4820TG- 332G32Mn AS
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Model Country AS4820TG- 434G50Mn AS
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Model Country AS4820T- 354G32Mn AS4
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Model Country AS4820T- 333G32Mn AS4
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Model Country AS4820T- 334G32Mn AS4
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Model Country AS4820T- 334G32Mn AS4
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Model Country Acer Part No Memory 1
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Appendix A 212
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Microsoft ® Windows ® 7 Environme
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Item Vendor Description P/N 90W HIP
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Item Vendor Description P/N Mirror
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Item Vendor Description P/N 6CELL3.
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Item Vendor Description P/N 1.3M Ch
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Item Vendor Description P/N 5 in 1-
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Item Vendor Description P/N Ci5430M
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Item Vendor Description P/N N320GB5
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Item Vendor Description P/N N160GB5
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Item Vendor Description P/N N500GB5
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Item Vendor Description P/N N500GB5
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Item Vendor Description P/N N500GB5
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Item Vendor Description P/N N500GB5
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Item Vendor Description P/N NLED14W
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Item Vendor Description P/N SO1GBII
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Item Vendor Description P/N SO2GBII
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Item Vendor Description P/N NSM8XS9
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Item Vendor Description P/N McAfee
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Item Vendor Description P/N 3rd WiF
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216 Appendix C
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O P R S T 218 No Display Issue 105