Panasonic 5741, 5741G

Chapter 3 69

Removing the USB Board

1. See “Removing the Upper Cover” on page 57.

2. Unlock the mainboard to USB cable connector.

3. Remove one (1) screw from the USB board.

4. Lift the USB board clear of the device.

Step Size Quantity Screw Type

USB M2*3 1

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications 1 System Utilities 21 Machine Disassembly and Replacement 39 Troubleshooting 129 Page Page System Specifications Chapter 1 Features Operating System Platform Storage subsystem Audio Storage Optical Media Drive Communication Privacy control Dimensions and weight Power subsystem Special keys and controls I/O interface Software Optional Items Warranty Environment Page Your Acer Notebook tour Front View Closed Front View 1372 4 5 6 Left View Right View Bottom View Indicators TouchPad Basics Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys Hot Keys Hardware Specifications and Configurations Page Page Page Page Page Page System Utilities Chapter 2 BIOS Setup Utility Navigating the BIOS Utility Aspire 5741/5741G BIOS Information Main Security Setting a Password Removing a Password Changing a Password Boot Exit BIOS Flash Utilities DOS Flash Utility Page Page Remove HDD/BIOS Password Utilities Page Page Using DMITools Read DMI Information from Memory Write Product Name to EEPROM Write Serial Number to EEPROM 4 ). Write UUID to EEPROM ( Create UUID from Intel WFM20.pdf ) Using the LAN MAC EEPROM Utility Page Machine Disassembly and Replacement Chapter 3 Disassembly Requirements Page 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 Removing the Upper Cover Page Page Page Page Page Removing the Right Speaker Module 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 Removing the LCD Bezel Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Replacing the Thermal Module Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Replacing the Battery Troubleshooting Chapter 4 Common Problems Power On Issue Computer Shutsdown Intermittently No Display Issue No POST or Video Abnormal Video Display Random Loss of BIOS Settings Page Page Sound Problems Microphone Problems HDD Not Operating Correctly ODD Failure ODD Not Operating Correctly Discs Do Not Play Discs Do Not Burn Properly Playback is Choppy Drive Not Detected Drive Read Failure Page External Mouse Failure Other Failures Intermittent Problems Undetermined Problems Post Codes Page Page Page Page Page Jumper and Connector Locations Chapter 5 Top View Bottom View Page Page Clearing Password Check and BIOS Recovery Clearing Password Check Steps for Clearing BIOS Password Check Clear CMOS Jumper BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Hotkey: Steps for BIOS Recovery from USB Storage: FRU (Field Replaceable Unit) List Chapter 6 Aspire 5741/5741G Exploded Diagrams Main Assembly Upper Assembly LCD Assembly Page Aspire 5741/5741G FRU List Page Page Page Page Page Page Page Screw List Page Page Aspire 5741 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Aspire 5741G 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 Page Page Page Page Page Page Page Microsoft Windows 7 Environment Test Page Page Page Page Page Page Page Page Page Page Page Page Online Support Information Appendix C Page Index A B C D M N O P R W