Aspire Digital AX1400 manual Removing the Heat Sink Fan Assembly

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Removing the Heat Sink Fan Assembly

WARNING:The heat sink becomes very hot when the system is on. NEVER touch the heat sink with any metal or with your hands.

1.Use a long-nosed screwdriver to loosen the four screws on the heat sink, in the order as shown below.

2.Lift the heat sink fan assembly away from the mainboard.

3.Lay down the heat sink fan assembly, in an upright position, on top of the optical drive, as shown below, then disconnect the fan cable from the mainboard.

26	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 System Features Component DescriptionPorts and LED Indicators AudioEnvironmental Requirements Physical SpecificationsAspect Description System Tour Front ViewRear View ComponentAspire AX1400 Service Guide Cmos Setup Utility System UtilitiesAccessing the Setup Utility Setup Utility Menus Navigating through the Setup UtilityKey Function Product Information Field DescriptionStandard Cmos Features Field Description ValueAdvanced Bios Features EnabledAdvanced Chipset Features AutoIntegrated Peripherals Power Management Setup S3 STRPC Health Status Frequency/Voltage Control Bios Security Features Setting a system passwordTo set a system password Load Default Settings Save & Exit SetupExit Without Saving Aspire AX1400 Service Guide Disassembly Tools Pre-disassembly ProcedureDisassembly Procedures Removing the Side PanelRemoving 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 Power System Check Hardware Diagnostic ProcedureSystem Check Procedures System External InspectionCheckpoints Viewing Bios CheckpointsBoot Block Initialization Code Checkpoints System Internal InspectionBoot Block Recovery Code Checkpoints Post Code Checkpoints Mid Post initialization of chipset registers Post Error Messages Post Error IndicatorsDIM Code Checkpoints Memory Message DescriptionStorage Device Message Description Virus-related Cmos Message Displayed DescriptionIndex of Symptom-to-FRU Error Messages Hard Disk Drive-related Symptoms Symptom/Error Action/FRU Optical Disc Drive-related Symptoms Symptom/Error Action/FRUModem-related Symptoms Symptom/Error Action/FRU Real-Time Clock-related Symptoms Symptom/Error Action/FRUAudio-related Symptoms Symptom/Error Action/FRU Video and Monitor-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 Codes Beep Status Possible CausesCreating the Bios Crisis Recovery Disk Bios RecoveryPerforming a Bios Recovery Bios Update Updating the Bios in DOS ModeUpdating the Bios in Windows Mode Click Start Command Prompt Run as administratorPress Enter to flash the system Bios Page Clearing Cmos To clear the Cmos dataBlock Diagram System ArchitectureMainboard Layout This section shows the major mainboard componentsJumper Setting Jumper Type Description Setting defaultInternal header pin definition Header Name Function DefinitionConnector pin definition Connecting Optional Devices Pin Signal NamePin Signal Name Function AUDIOF1 Front Panel Audio headerConnecting Case Components CPUFAN1 CPU Cooling Fan Power ConnectorPWR1 ATX 12V Power Connector PWR2 ATX 24-pin Power ConnectorFront Panel Header Aspire AX1400 Service Guide Exploded Diagram Field Replaceable Unit FRU ListAspire AX1400 FRU List Category Part Name Description Acer Part NoCASE/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 Processor ChipsetsMemory Hard Disk DriveCard Reader optional Optical Disc DriveGigabit Ethernet Power Supply Unit Power ManagementAspire AX1400 Service Guide Bios IndexBeep codes 60 checkpoints 48 error messages