Acer 8431 manual Symptom / Error Action in Sequence

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Symptom / Error	Action in Sequence
The system doesn't resume from hibernation	Hard disk connection board
mode.	Hard disk drive
	System board

The system doesn't resume from standby	LCD cover switch
mode after opening the LCD.	System board

Battery fuel gauge in Windows doesn’t go	Remove battery pack and let it cool for 2
higher than 90%.	hours.
	Refresh battery (continue use battery until
	power off, then charge battery).
	Battery pack
	System board

System hangs intermittently.	Reconnect hard disk/CD-ROM drives.
	Hard disk connection board
	System board

Chapter 4

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Contents TravelMate 8471/8431 Series Service Guide Revision History Copyright Conventions Preface Page Table of Contents Jumper and Connector Locations Chapter FeaturesPower subsystem Environment CRT DiagramBlockSystemTop View Board LayoutBottom View Your Acer Notebook tour HDD Rear view Closed Front ViewRight View Left ViewBase view Touchpad Basics with fingerprint reader Touchpad basics with two-click buttons Lock Keys and embedded numeric keypad Using the KeyboardWindows Keys Hot Keys Acer Bio-Protection only for certain models Using the system utilitiesAcer GridVista dual-display compatible Acer Backup Manager Acer eRecovery Management Power managementBurn backup discs RestoreRestore Windows Vista from backup discs Hardware Specifications and Configurations Hard Disk Drive Interface Bluetooth InterfaceAudio Interface LCD panelKeyboard Power ManagementButton SoftwareSecurity Features LED Status IndicatorPhysical Characteristics System Utilities Bios Setup UtilityInformation Invoking Bios SetupMain Post Security Setting a Password Removing a Password Boot Exit Bios Flash Utility Machine Disassembly and Replacement Before You Begin General InformationMain unit disassembly flow chart Disassembly Procedure FlowchardLCM module disassembly flow chart Removing the Battery Pack Removing the HDD and RAM Remove the screw on RAM cover and remove RAM Remove the wireless card Remove ODD Chapter Remove Keyboard Remove FFC of main board and sub board Remove the FFC and screw on the Wireless board M2*54.5D*0.8T Remove Panel M2*44.5D*0.5T Disassembling the HDD Module Disassembling the External ModuleTroubleshooting External Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckMemory check Power System CheckTouchpad Check Power-On Self-Test Post Error Message Error Code List Index of Error MessagesError Message List Cmos CRT InsydeH2O Bios Beep Codes Post device initialization 8Ah Initialize Extended Bios Data Area PnPnd dual Cmos optional LCD-Related Symptoms Index of Symptom-to-FRU Error MessageIndicator-Related Symptoms Power-Related SymptomsMemory-Related Symptoms PCMCIA-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsSymptom / Error Action in Sequence Keyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems Top View Jumper and Connector LocationsBottom View FRU Field Replaceable Unit List TravelMate 8471/8431 Exploded Diagram Chapter Chapter Battery AccessoryTravelMate 8471/8431 FRU List AdapterLAN Intel Wlan 512AGHMWG Cable Camera CASE/COVER/BRACKET Assembly DVD RW Drive HDD/SSD Keyboard LCD Microphone Speaker Chapter