Aspire Digital AX1400 manual Disassembly Tools, Pre-disassembly Procedure

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Chapter 3

System Disassembly

This chapter provides step-by-step instructions on how to disassemble the computer for maintenance and troubleshooting purposes.

Disassembly Tools

In performing the disassembly process, you will need the following tools:

Wrist-grounding strap and conductive mat for preventing electrostatic discharge

Philips screwdriver

Flat screwdriver

NOTES • To reinstall the system components and assemble the unit, perform the disassembly procedures in reverse.

The screws for the different components vary in size. During the disassembly process, group the screws with their corresponding components to avoid mismatches when putting back the components.

Pre-disassembly Procedure

Before proceeding with the disassembly procedure, perform the steps listed below:

1.Make sure that the optical disc drive and the optional card reader slots are empty.

2.Turn off the power to the computer and all peripherals.

3.Unplug the power cord from the computer.

4.Unplug the network cable and all connected peripheral devices from the computer.

5.Place the computer on a flat, steady surface.

Aspire AX1400 Service Guide

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Contents Aspire AX1400 Desktop Computer Service Guide Revision History Copyright Conventions Service Guide Coverage Aspire AX1400 Service Guide Table of Contents Index Component Description System FeaturesAudio Ports and LED IndicatorsEnvironmental Requirements Physical SpecificationsAspect Description Front View System TourComponent Rear ViewAspire AX1400 Service Guide System Utilities Cmos Setup UtilityAccessing the Setup Utility Setup Utility Menus Navigating through the Setup UtilityKey Function Field Description Product InformationField Description Value Standard Cmos FeaturesEnabled Advanced Bios FeaturesAuto Advanced Chipset FeaturesIntegrated Peripherals S3 STR Power Management SetupPC Health Status Frequency/Voltage Control Setting a system password Bios Security FeaturesTo set a system password Save & Exit Setup Load Default SettingsExit Without Saving Aspire AX1400 Service Guide Pre-disassembly Procedure Disassembly ToolsRemoving the Side Panel Disassembly ProceduresRemoving the Front Bezel Removing the Heat Sink Fan Assembly Removing the Processor Removing the HDD-ODD Bracket Removing the Optical Drive and the Hard Disk Drive Page Page Page Removing the Front Bezel Removing the Expansion Boards Page Removing the Memory Modules Page Removing the Front I/O and Optional Card Reader Assemblies Page Page Page Page Removing the Mainboard Page System External Inspection Hardware Diagnostic ProcedureSystem Check Procedures Power System CheckSystem Internal Inspection Viewing Bios CheckpointsBoot Block Initialization Code Checkpoints CheckpointsBoot Block Recovery Code Checkpoints Post Code Checkpoints Mid Post initialization of chipset registers Post Error Messages Post Error IndicatorsDIM Code Checkpoints Message Description MemoryStorage Device Message Description Virus-related Message Displayed Description CmosIndex of Symptom-to-FRU Error Messages Optical Disc Drive-related Symptoms Symptom/Error Action/FRU Hard Disk Drive-related Symptoms Symptom/Error Action/FRUVideo and Monitor-related Symptoms Symptom/Error Action/FRU Real-Time Clock-related Symptoms Symptom/Error Action/FRUAudio-related Symptoms Symptom/Error Action/FRU Modem-related Symptoms Symptom/Error Action/FRUKeyboard-related Symptoms Symptom/Error Action/FRU Printer-related Symptoms Symptom/Error Action/FRUPower Supply-related Symptoms Symptom/Error Action/FRU Beep Status Possible Causes Beep CodesCreating the Bios Crisis Recovery Disk Bios RecoveryPerforming a Bios Recovery Updating the Bios in DOS Mode Bios UpdateClick Start Command Prompt Run as administrator Updating the Bios in Windows ModePress Enter to flash the system Bios Page To clear the Cmos data Clearing CmosSystem Architecture Block DiagramThis section shows the major mainboard components Mainboard LayoutJumper Type Description Setting default Jumper SettingHeader Name Function Definition Internal header pin definitionConnector pin definition Pin Signal Name Connecting Optional DevicesAUDIOF1 Front Panel Audio header Pin Signal Name FunctionCPUFAN1 CPU Cooling Fan Power Connector Connecting Case ComponentsPWR1 ATX 12V Power Connector PWR2 ATX 24-pin Power ConnectorFront Panel Header Aspire AX1400 Service Guide Field Replaceable Unit FRU List Exploded DiagramCategory Part Name Description Acer Part No Aspire AX1400 FRU ListCASE/COVER/BRACKET Front IO Bracket Brkt F-IO Boxer CPU/PROCESSOR CPU AMD Phenomii X 3 700E IC CPU Phenomii X WD10EADS-22M4B0 8MB GP Keyboard Keyboard PS/2 105 KEY KB Chicony KB-0759 Keyboard Keyboard PS/2 104 KEY KB Chicony KB-0759 Keyboard Keyboard PS2 105 KEY Keyboard PS2 SK-9620 Keyboard Keyboard PS/2 104 KEY Pointing Device Logitech 0810PS2 Mouse PS2 OPT Aspire AX1400 Service Guide Chipsets ProcessorHard Disk Drive MemoryCard Reader optional Optical Disc DriveGigabit Ethernet Power Management Power Supply UnitAspire AX1400 Service Guide Index BiosBeep codes 60 checkpoints 48 error messages