User ManualTable of ContentsFeatures11TravelMate Tour15Open Front View15Close Front View16Left View17Right View18Rear View18Base View19Status Indicators20Easy-launch Keys21Productivity Keys22System Tour11Phoenix TrustedCore Setup Utility23Accessing the Setup Utility24Navigating Through the Setup Utility25Setup Utility Menus26BIOS Flash Utility34Launch Manager35System Utilities23Disassembly Tools37Stages of the Disassembly Process37Equivalent Torque Values37System Screw List38Pre-disassembly Procedure38External Modules Disassembly39External Modules Disassembly Flowchart39Removing the SD Dummy Card40Removing the PC Card Dummy Card40Removing the Battery Pack41Removing the Lower Case Cover42Removing the Memory Modules42Removing the WLAN Board43Removing and Dismantling the HDD Assembly44Removing and Dismantling the ODD Assembly46Removing the Processor Cooling Fan48Removing the Heat Sink49Removing the Processor50Main Unit Disassembly51Main Unit Disassembly Flowchart51Removing the Middle Cover52Removing the Keyboard52Removing the LCD Module53Removing the Upper Case57Removing the LED Board59Removing the Fingerprint and Touchpad Boards60Removing the Card Reader Board62Removing the Bluetooth Board63Removing the System Board64Removing the Modem Board65Removing the Speakers65LCD Module Disassembly67LCD Module Disassembly Flowchart67Removing the LCD Bezel68Removing the Inverter Board69Removing the LCD Module Hinges70Removing the LCD Panel70Removing the LCD-CCD Cable71Removing the LCD Panel Brackets72Removing the Internal Microphone and the CCD Board73Removing the WLAN Antennas74System Disassembly37Hardware Diagnostic Procedure75System Check Procedures76External Diskette Drive Check76External CD-ROM Drive Check76Keyboard or Auxiliary Input Device Check76Memory Check77Power System Check77Touchpad Check78POST Error Indicators79POST Error Message79POST Beep Codes82Index of Symptom-to-FRU Error Message87Intermittent Problems90Undetermined Problems91Online Support Information92System Troubleshooting75System Block Diagram93System Board Layout94Top View94Bottom View95System Switch96System Block Diagram and Board Layout93Aspire 5910 Exploded Diagram98TravelMate 4520 FRU List99FRU (Field Replaceable Unit) List97TravelMate 4520 Series Model Configurations117Test Compatible Components123Technical Specifications127Size: 8.16 MBPages: 143Language: EnglishOpen manual