Acer 8431 manual Troubleshooting

Page 59

Chapter 4

Troubleshooting

Use the following procedure as a guide for computer problems.

NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses.

1.Obtain the failing symptoms in as much detail as possible.

2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation.

3.Use the following table with the verified symptom to determine which page to go to.

Symptoms (Verified)

Go To

Power failure. (The power indicator does not

“Power System Check” on page 53.

go on or stay on.)

 

 

 

POST does not complete. No beep or error

“Power-OnSelf-Test (POST) Error Message”

codes are indicated.

on page 55.

 

“Undetermined Problems” on page 68.

 

 

POST detects an error and displayed

“Error Message List” on page 56.

messages on screen.

 

 

 

Other symptoms (i.e. LCD display problems or

“Power-On Self-Test (POST) Error Message”

others).

on page 55.

 

 

Symptoms cannot be re-created (intermittent

Use the customer-reported symptoms and go

problems).

to “Power-On Self-Test (POST) Error

 

Message” on page 55.

 

“Intermittent Problems” on page 67.

 

“Undetermined Problems” on page 68.

 

 

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 LCD panel Bluetooth InterfaceHard Disk Drive Interface Audio InterfaceSoftware Power ManagementKeyboard ButtonPhysical Characteristics LED Status IndicatorSecurity Features 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 InformationLCM module disassembly flow chart Disassembly Procedure FlowchardMain unit 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 Keyboard or Auxiliary Input Device Check System Check ProceduresExternal Diskette Drive Check External CD-ROM Drive CheckMemory check Power System CheckTouchpad Check Power-On Self-Test Post Error Message Error Message List Index of Error MessagesError Code List Cmos CRT InsydeH2O Bios Beep Codes Post device initialization 8Ah Initialize Extended Bios Data Area PnPnd dual Cmos optional Power-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Indicator-Related SymptomsPower Management-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Speaker-Related SymptomsSymptom / Error Action in Sequence Modem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-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 Adapter AccessoryBattery TravelMate 8471/8431 FRU ListLAN Intel Wlan 512AGHMWG Cable Camera CASE/COVER/BRACKET Assembly DVD RW Drive HDD/SSD Keyboard LCD Microphone Speaker Chapter