Acer LT31 Model Definition and Configuration

Appendix A 156

Model Definition and Configuration

Gateway LT31 Series

Model RO Country Acer Part No Description

LT3101g AAP Singapore LU.WEW0B.003 LT3101g AOXPHGwTSG1 UMACkk 1*1G/160/3L/5R/

CB_bg_0.3D_BAG_GEk_ENI1

LT3102g AAP Singapore LU.WEW0B.002 LT3102g AOXPHGwTSG1 UMACkk 1*1G/160/6L2.6/5R/

CB_bg_0.3D_BAG_GEk_ENI1

LT3112u PA USA LU.WEW0Y.024 LT3112u VHB32wTMUS1 UMACkk 1*2G/250/BT/6L2.6/

5R/CB_bg_0.3D_BAG_GEk_ENP2

LT3101m PA Mexico LU.WEW0Y.023 LT3101m EM VHB32wTMX2 UMACkk 1*2G/250/3L/5R/

CB_bg_0.3D_GEk_ES21

LT3101e PA ACLA-

Spanish LU.WEW0Y.001 LT3101e EM VHB32wTEA1 UMACkk 1*2G/250/3L/5R/

CB_bg_0.3D_BAG_GEk_ES51

LT3102e PA ACLA-

Spanish LU.WEW0Y.014 LT3102e EM VHB32wTEA1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ES51

LT3103e PA ACLA-

Spanish LU.WEW0Y.009 LT3103e EM VHB32wTEA3 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ES51

LT3103m PA Mexico LU.WEW0Y.008 LT3103m EM VHB32wTMX2 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ES21

LT3102m PA Mexico LU.WEW0Y.015 LT3102m EM VHB32wTMX1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ES21

LT3101p PA ACLA-

Portuguese LU.WEW0Y.013 LT3101p EM VHB32wTXC1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_XC21

LT3102p PA ACLA-

Portuguese LU.WEW0Y.010 LT3102p EM VHB32wTXC2 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_XC21

LT3102c PA China LU.WEW0C.003 LT3102c LINPUSwCN1 UMACkk 1*1G/160/3L/5R/

CB_bg_0.3D_GEk_EN91

LT3101w TW

NGCTWN LU.WEW0B.001 LT3101w AOXPHGwTTW1 UMACkk 1*1G/160/6L2.6/

5R/CB_bg_0.3D_BAG_GEk_TC11

LT3103c PA China LU.WEW0C.002 LT3103c LINPUSwCN1 UMACkk 1*2G/250/6L2.6/5R/

CB_bg_0.3D_GEk_EN91

LT3107c PA China LU.WEW0C.001 LT3107c LINPUSwCN1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_EN91

LT3103u PA USA LU.WEW0Y.002 LT3103u VHB32wTMUS1 UMACkk 1*2G/250/6L2.6/5R/

CB_bg_0.3D_GEk_ENP5

LT3101h PA Canada LU.WEW0Y.022 LT3101h VHB32wTMCA2 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ENJ1

LT3103h PA Canada LU.WEW0Y.019 LT3103h VHB32wTMCA2 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ENJ3

LT3106u PA USA LU.WEW0Y.021 LT3106u VHB32wTMUS1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ENP1

LT3102h PA Canada LU.WEW0Y.020 LT3102h VHB32wTMCA2 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ENJ2

LT3107u PA USA LU.WEW0Y.018 LT3107u VHB32wTMUS1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ENP2

LT3108u PA USA LU.WEW0Y.017 LT3108u VHB32wTMUS1 UMACkk 1*2G/250/6L/5R/

CB_bg_0.3D_GEk_ENP3

Appendix A

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications 1 System Utilities 21 Machine Disassembly and Replacement 35 Troubleshooting 125 Page Page System Specifications Chapter 1 Features Privacy control Dimensions and Weight Power subsystem Special keys and controls I/O interface System Block Diagram TP D/B CCD BT Card Reader controller Your Gateway Notebook tour Front View Closed Front View Left View 12 3 45 Right View 12 56 34 Rear and Base View Indicators TouchPad Basics Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys Hot Keys Special Keys Hardware Specifications and Configurations Page Page Page Page Page Page System Utilities Chapter 2 BIOS Setup Utility Navigating the BIOS Utility Information Main Security Page Page Boot Exit BIOS Flash Utility DOS Flash Utility Page WinFlash Utility Remove HDD/BIOS Password Utilities Page Machine Disassembly and Replacement Chapter 3 Disassembly Requirements Related Information General Information Pre-disassembly Instructions Disassembly Process External Module Disassembly Process External Modules Disassembly Flowchart Page Page Page Page Page Page Page Page Page Page Page Main Unit Disassembly Process Main Unit Disassembly Flowchart Page Page Page Removing the Upper Cover Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Removing the Thermal Module Page Page LCD Module Disassembly Process LCD Module Disassembly Flowchart Page Page Page Page Page Page Page Page LCD Module Reassembly Procedure Replacing the Antennas Page Page Page Page Page Main Module Reassembly Procedure Replacing the CPU Replacing the Thermal Module Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Replacing the Upper Cover Page Page Removing the Hinge Covers Page Page Page Page Page Page Page Page Page Page Troubleshooting Chapter 4 Common Problems Power On Issue Computer Shuts down Intermittently No Display Issue No POST or Video Abnormal Video Display Random Loss of BIOS Settings Chapter 4 129 6. If the Issue is still not resolved, see Online Support Information on page 165. LCD Failure Built-In Keyboard Failure Chapter 4 131 TouchPad Failure Internal Speaker Failure Sound Problems Internal Microphone Failure Microphone Problems HDD Not Operating Correctly USB Failure (Right up/down side) Other Failures Intermittent Problems Undetermined Problems POST Code Reference Tables Page Page Page Page Bottom View Clearing Password Check and BIOS Recovery Motherboard CMOS Discharge BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Hotkey: Steps for BIOS Recovery by USB Flash Crisis Disk: Page Page FRU (Field Replaceable Unit) List Chapter 6 Gateway LT31 Exploded Diagrams Main Assembly LCD Assembly Gateway LT31 Series FRU List Page Page Page Page Screw List Appendix A 156 Model Definition and Configuration Appendix A Gateway LT31 Series 157 Appendix A Appendix A 158 159 Appendix A Page Test Compatible Components Appendix B Windows XP Environment Test Page Page Online Support Information Appendix C Page Index Numerics A J B K L M N O U V W