Acer Aspire 4820T_SG - Acer Support

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Using DMITools The DMI (Desktop Management Interface) Tool copies BIOS information to EEPROM to be used in the DMI pool for hardware management. When the BIOS displays Verifying DMI pool data it is checking that the table correlates with the hardware before sending to the operating system (Windows, etc.). To update the DMI Pool, perform the following steps: 1. Boot into DOS. 2. Execute dmitools. The following messages report to screen to confirm completion: • dmitools /r ==> Read dmi string from bios • dmitools /wm xxxx ==> Write manufacturer name to eeprom (max. 16 characters) • dmitools /wp xxxx ==> Write product name to eeprom (max. 16 characters) • dmitools /ws xxxx ==> Write serial number to eeprom (max. 22 characters) • dmitools /wu xxxx ==> Write uuid to eeprom • dmitools /wa xxxx ==> Write asset tag to eeprom (max. 32 characters) The following examples show the commands and the corresponding output information. Read DMI Information from Memory Input: dmitools /r Output: Manufacturer (Type1, Offset04h): <strong>Acer</strong> Product Name (Type1, Offset05h): TravelMate xxxxx Serial Number (Type1, Offset07h): 01234567890123456789 UUID String (Type1, Offset08h): xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx Asset Tag (Type3, Offset04h): Acet Asstag Write Product Name to EEPROM Input: dmitools /wp <strong>Acer</strong> Write Serial Number to EEPROM Input: dmitools /ws 01234567890123456789 3. Write UUID to EEPROM (Create UUID from Intel WFM20.pdf) Input: dmitools /wu 4. Write Asset Tag to EEPROM Input: dmitools /wa Acet Asstag NOTE: When using any of the Write options, restart the system to make the new DMI data effective. 40 Chapter 2
Using the LAN MAC EEPROM Utility You can use the MAC.BAT utility to write the MAC.CFG file to the EEPROM in DOS mode. 1. Use a text editor to open the MAC.CFG file. You can see the MAC.CFG contents as shown: WriteData = ‘001122334455' MAC value StartAddr=7A MAC address WriteLeng=6 MAC value length KeepByte=0 don’t care 2. In DOS mode, run the MAC.BAT file to write MAC values to eeprom. Chapter 2 41
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 8 and 9: 2 Removing the USB Board 64 Removin
Page 11 and 12: Table of Contents System Specificat
Page 13 and 14: Table of Contents Built-In Keyboard
Page 15 and 16: System Specifications Features Belo
Page 17 and 18: Privacy control • BIOS user, supe
Page 19 and 20: Warranty Environment • External U
Page 21 and 22: Your Acer Notebook tour After knowi
Page 23 and 24: Closed Front View Left View 1 No. I
Page 25 and 26: Bottom View 1 2 3 No. Icon Item Des
Page 27 and 28: TouchPad Basics The following items
Page 29 and 30: Windows Keys The keyboard has two k
Page 31 and 32: Hardware Specifications and Configu
Page 33 and 34: Specifications • IEEE 802.11b/g a
Page 35 and 36: Applicable disc formats Item Specif
Page 37 and 38: Temperature Range (°C) Operating S
Page 39 and 40: System Utilities BIOS Setup Utility
Page 41 and 42: Main The Main screen allows the use
Page 43 and 44: Setting a Password Follow these ste
Page 45 and 46: Boot This menu allows the user to d
Page 47 and 48: BIOS Flash Utilities The BIOS flash
Page 49 and 50: 4. In flash BIOS, the message Pleas
Page 51 and 52: Remove HDD/BIOS Password Utilities
Page 53: Using Boot Sequence Selector The Bo
Page 57 and 58: Machine Disassembly and Replacement
Page 59 and 60: External Module Disassembly Process
Page 61 and 62: Removing the SD dummy card 1. Push
Page 63 and 64: Removing the Lower Cover 1. See “
Page 65 and 66: Step Size Quantity Screw Type ODD B
Page 67 and 68: Removing the WLAN Module 1. See “
Page 69 and 70: Main Unit Disassembly Process Main
Page 71 and 72: 4. Release each clip, working from
Page 73 and 74: 3. Disconnect A as shown. 4. Releas
Page 75 and 76: Removing the Power Switch Board 1.
Page 77 and 78: Removing the Left Speaker Module 1.
Page 79 and 80: 5. Lift the USB Board upward away f
Page 81 and 82: Removing the Bluetooth Module 1. Se
Page 83 and 84: Step Size Quantity Screw Type LCD M
Page 85 and 86: Step Size Quantity Screw Type Mainb
Page 87 and 88: Removing the CPU 1. See “Removing
Page 89 and 90: Removing the Right Speaker 1. See S
Page 91 and 92: LCD Module Disassembly Process LCD
Page 93 and 94: 4. Lift the Bezel clear of the LCD
Page 95 and 96: Removing the FPC Cable 1. See “Re
Page 97 and 98: Removing the Antennas 1. See “Rem
Page 99 and 100: LCD Module Reassembly Procedure Rep
Page 101 and 102: Replacing the FPC Cable Attach the
Page 103 and 104: Replacing the LCD Bezel 1. Locate t
Page 105 and 106:
Main Module Reassembly Procedure Re
Page 107 and 108:
2. Replace the two (2) screws to se
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3. Align the screw holes on the The
Page 111 and 112:
7. Snap the FPC cable into place. 8
Page 113 and 114:
Replacing the USB Board 1. Replace
Page 115 and 116:
Replacing the Function Board 1. Rep
Page 117 and 118:
4. Replace the eight (8) securing s
Page 119 and 120:
Replacing the Keyboard 1. Place the
Page 121 and 122:
Replacing the WLAN Board 1. Insert
Page 123 and 124:
Replacing the Lower Covers 1. Repla
Page 125 and 126:
Replacing the Battery Pack 1. Slide
Page 127 and 128:
Troubleshooting Common Problems Use
Page 129 and 130:
No Display Issue If the Display doe
Page 131 and 132:
LCD Failure If the LCD fails, perfo
Page 133 and 134:
Sound Problems If sound problems ar
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ODD Failure If the ODD fails, perfo
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. Double-click IDE ATA/ATAPI contro
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External Mouse Failure If an extern
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Post Codes These tables describe th
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Functionality Name (Include\ PostCo
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Functionality Name (Include\ PostCo
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Jumper and Connector Locations Top
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Clearing Password Check and BIOS Re
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FRU (Field Replaceable Unit) List C
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No. Description Acer P/N No. Descri
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Acer Aspire 4820T FRU List ADAPTER
Page 157 and 158:
Category Part Name Description CPU/
Page 159 and 160:
KEYBOARD Category Part Name Descrip
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Category Part Name Description LCD
Page 163 and 164:
HEATSINK SPEAKER Category Part Name
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Chapter 6 151
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Country Luxembour g LX.PSE 02.159 B
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Country Acer Part No Thailand LX.PS
Page 171 and 172:
Country South Africa LX.PSE 02.091
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Country Eastern Europe Acer Part No
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Country Eastern Europe LX.PSE 02.02
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Country Acer Part No Turkey LX.PSG
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Country Spain LX.PSG 02.081 Denmark
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Country South Africa LX.PSG 02.050
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Country Eastern Europe Serbia/ Mace
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Country Holland LX.PSN 02.085 Belgi
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Country Middle East LX.PSN 02.041 S
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Model Country AS4820TG- 524G64Mn AS
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Model Country AS4820T- 333G32Mn AS4
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Model Country Acer Part No Memory 1
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Test Compatible Components Appendix
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Item Vendor Description P/N ADAPTER
Page 233 and 234:
Item Vendor Description P/N 90W LIT
Page 235 and 236:
Item Vendor Description P/N 6CELL3.
Page 237 and 238:
Item Vendor Description P/N BLUETOO
Page 239 and 240:
Item Vendor Description P/N 1.3M Li
Page 241 and 242:
Item Vendor Description P/N Ci7620M
Page 243 and 244:
Item Vendor Description P/N Ci3330M
Page 245 and 246:
Item Vendor Description P/N N500GB5
Page 247 and 248:
Item Vendor Description P/N SSD2516
Page 249 and 250:
Page 251 and 252:
Page 253 and 254:
Page 255 and 256:
Item Vendor Description P/N NLED14W
Page 257 and 258:
Item Vendor Description P/N SO2GBII
Page 259 and 260:
Item Vendor Description P/N SO4GBII
Page 261 and 262:
Item NB CHIPSET Vendor Description
Page 263 and 264:
Item Vendor Description P/N NSM8XS9
Page 265 and 266:
Item Vendor Description P/N PIFA WN
Page 267 and 268:
Online Support Information This sec
Page 269 and 270:
A B C D E F AFLASH Utility 27 Anten
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