Acer 8431 manual PCMCIA-Related Symptoms, Memory-Related Symptoms, Speaker-Related Symptoms

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Symptom / Error

Action in Sequence

The system doesn’t power-off.

Power source (battery pack and power

 

adapter). See “Power System Check” on page

 

53.

 

Hold and press the power switch for more than

 

4 seconds.

 

System board

 

 

Battery can’t be charged.

See “Check the Battery Pack” on page 53.

 

Battery pack

 

System board

 

 

PCMCIA-Related Symptoms

Symptom / Error

Action in Sequence

 

 

System cannot detect the PC Card (PCMCIA).

PCMCIA slot assembly

 

System board

 

 

PCMCIA slot pin is damaged.

PCMCIA slot assembly

Memory-Related Symptoms

Symptom / Error

Action in Sequence

Memory count (size) appears different from

Enter BIOS Setup Utility to execute “Load

actual size.

Default Settings”, then reboot system.

 

DIMM

 

System board

 

 

Speaker-Related Symptoms

Symptom / Error

Action in Sequence

In Windows, multimedia programs, no sound

Audio driver

comes from the computer.

Speaker

 

System board

 

 

Internal speakers make noise or emit no

Speaker

sound.

System board

 

 

Power Management-Related Symptoms

Symptom / Error

Action in Sequence

The system will not enter hibernation.

Keyboard (if control is from the keyboard)

 

Hard disk drive

 

System board

 

 

The system doesn't enter hibernation mode

Press Fn+o and see if the computer enters

and four short beeps every minute.

hibernation mode.

 

 

Touchpad

 

Keyboard

 

Hard disk connection board

 

Hard disk drive

 

System board

 

 

The system doesn’t enter standby mode after

LCD cover switch

closing the LCD.

System board

 

 

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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 Features ChapterPower subsystem Environment DiagramBlockSystem CRTBoard Layout Top ViewBottom View Your Acer Notebook tour HDD Closed Front View Rear viewLeft View Right ViewBase view Touchpad Basics with fingerprint reader Touchpad basics with two-click buttons Using the Keyboard Lock Keys and embedded numeric keypadWindows Keys Hot Keys Using the system utilities Acer Bio-Protection only for certain modelsAcer GridVista dual-display compatible Acer Backup Manager Power management Acer eRecovery ManagementRestore Burn backup discsRestore Windows Vista from backup discs Hardware Specifications and Configurations Bluetooth Interface Hard Disk Drive InterfaceAudio Interface LCD panelPower Management KeyboardButton SoftwareLED Status Indicator Security FeaturesPhysical Characteristics Bios Setup Utility System UtilitiesInvoking Bios Setup InformationMain Post Security Setting a Password Removing a Password Boot Exit Bios Flash Utility Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchard Main unit disassembly flow chartLCM 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 External Module Disassembling the HDD ModuleTroubleshooting System Check Procedures External Diskette Drive CheckExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkTouchpad Check Power-On Self-Test Post Error Message Index of Error Messages Error Code ListError Message List Cmos CRT InsydeH2O Bios Beep Codes Post device initialization 8Ah Initialize Extended Bios Data Area PnPnd dual Cmos optional Index of Symptom-to-FRU Error Message LCD-Related SymptomsIndicator-Related Symptoms Power-Related SymptomsPCMCIA-Related Symptoms Memory-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsSymptom / Error Action in Sequence Peripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems Jumper and Connector Locations Top ViewBottom View FRU Field Replaceable Unit List TravelMate 8471/8431 Exploded Diagram Chapter Chapter Accessory BatteryTravelMate 8471/8431 FRU List AdapterLAN Intel Wlan 512AGHMWG Cable Camera CASE/COVER/BRACKET Assembly DVD RW Drive HDD/SSD Keyboard LCD Microphone Speaker Chapter