Acer 7235, 7535, 7535G, 7735, 7735G, 7735Z, 7735ZG, 7738G G97

Chapter 5 115

Clearing Password Check and BIOS Recovery

This section provides the standard operating procedures for clearing the password and BIOS recovery for

Aspire 7738/7738G, Aspire 7735/7735G/7735Z/7735ZG and Aspire 7535/7535G/7235 Series. There is one

Hardware Open Gap on the main board for clearing the password check and one Hotkey for enabling BIOS

Recovery.

Clearing Password Check

Hardware Open Gap Description

HW Gap position on the main board:

Gap name in Aspire Aspire 7738/7738G and Aspire 7735/7735G/7735Z/7735ZG Series is G97.

Hardware Default Setting Operation Description

Gap Open (Normal) Short (Clearing Password Check)

G97

Contents

Main Page Copyright Disclaimer Conventions Preface Page Table of Contents System Specifications 1 System Utilities 27 Machine Disassembly and Replacement 41 Table of Contents Troubleshooting 95 Connector Locations 113 FRU (Field Replaceable Unit) List 121 Model Definition and Configuration 183 System Specifications Chapter 1 Features Platform System Memory Display and graphics TV Tuner (For 7738/7738G only) Storage subsystem Special keys and controls Audio I/O Ports Environment Dimension and weight Page Page Your Acer Notebook tour Front View Closed Front View Left View 1234 5 6 Right View Rear View Page Easy-Launch Buttons Touchpad Basics (with fingerprint reader) Touchpad basics (with two-click buttons) Using the Keyboard Lock Keys and numeric keypad Windows Keys Hot Keys Special Key (only for certain models) The Euro symbol The US dollar sign Windows Mobility Center Using the System Utilities Acer Bio-Protection (only for certain models) Acer GridVista (dual-display compatible) Hardware Specifications and Configurations Page Chapter 1 21 Wireless Module 802.11b/g/n Item Specification Page Page Page Page Page System Utilities Chapter 2 BIOS Setup Utility Navigating the BIOS Utility Information 30 Chapter 2 Main Page Security Setting a Password Removing a Password Changing a Password Page Boot Exit BIOS Flash Utility Remove HDD Password Disassembly Requirements Chapter 3 Machine Disassembly and Replacement General Information Pre-disassembly Instructions Disassembly Process Chapter 3 43 External Module Disassembly Process External Modules Disassembly Flowchart Screw List EXTERNAL MODULE DISASSEMBLY Page Page Page Page Page Page Removing the TV Tuner Card (for certain models only) Page Removing the Wireless LAN Card Removing the DIMM Module Removing the Optical Drive Module Page 56 Chapter 3 Main Unit Disassembly Process Main Unit Disassembly Flowchart Screw List MAIN UNIT DISASSEMBLY Removing the Middle Cover Page Page Removing the Keyboard Removing the LCD Module Page Page Separating the Upper Case from the Lower Case Page Page Page Removing the Fingerprint/Button and Touchpad Boards Page Removing the Launch Board Page Removing the USB Board Module Page Removing the Modem Module Removing the Main Board Page Page Removing the Heatsink Module Page Page Page Removing the CPU Page LCD Module Disassembly Process LCD Module Disassembly Flowchart LCD MODULE DISASSEMBLY Removing the LCD Bezel Page Page Removing the LCD panel with the Brackets Page Removing the LCD Brackets Removing the Web Camera Removing the Microphone Module Page Removing the FPC Cable Removing the Antennas Troubleshooting Chapter 4 System Check Procedures External Diskette Drive Check External Optical Disk Drive Check Keyboard or Auxiliary Input Device Check Memory Check Power System Check Check the Power Adapter Check the Battery Pack Touchpad Check Power-On Self-Test (POST) Error Message Index of Error Messages Page Page Page Phoenix BIOS Beep Codes Page Page Page Index of Symptom-to-FRU Error Message Page Page Page Page Undetermined Problems Connector Locations Chapter 5 Chapter 5 113 Main Board Aspire 7738/7738G, Aspire 7735/7735G/7735Z/7735ZG and Aspire 7535/7535G/7235 Top View Aspire 7738/7738G, Aspire 7735/7735G/7735Z/7735ZG and Aspire 7535/7535G/7235 Bottom View Clearing Password Check and BIOS Recovery G97 Clearing Password Check Steps for Clearing BIOS Password Check G62 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Hotkey Steps for BIOS Recovery by Crisis Disk Creating the Crisis Disk in Windows XP/Vista Page Page Page FRU (Field Replaceable Unit) List Chapter 6 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Aspire 7735/7735G/7735Z/7735ZG Series FRU List Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Aspire 7535/7535G/7235 Series FRU List Page Page Page Page Page Page Page Page Page Page Page Page 184 Appendix A Aspire 7738/7738G Series Appendix A 185 186 Appendix A Appendix A 187 188 Appendix A Appendix A 189 190 Appendix A Appendix A 191 192 Appendix A Appendix A 193 Aspire 7735/7735G/7735Z/7735ZG Series 194 Appendix A Appendix A 195 196 Appendix A Appendix A 197 198 Appendix A Aspire 7535/7535G/7235 Series Appendix A 199 200 Appendix A 201 Appendix A Appendix A 202 203 Appendix A Page Test Compatible Components Appendix B 206 Appendix B Microsoft Windows Vista Environment Test Appendix B 207 Page Online Support Information Appendix C Page Index A B C D L M N O P

Acer manual G97

Models: 7235 7535 7535G 7735 7735G 7735Z 7735ZG 7738G

Clearing Password Check and BIOS Recovery

Clearing Password Check