Acer S3811 manual Error Symptoms List, Error Symptom Action/FRU Processor / Processor Fan

Page 76

Error Symptoms List

NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/ FRU listed in right column is the most likely cause.

Error Symptom

 

Action/FRU

 

Processor / Processor Fan

NOTE: Normally, the processor fan should be operative, and the processor clock setting should be exactly set to match its speed requirement before diagnosing any processor problems.

Processor fan does not run but power

 

1.

Ensure the system is not in power saving mode. See

supply fan runs.

 

 

“Power Management” in chapter 2.

 

 

2.

With the system power on, measure the voltage of processor

 

 

 

fan connector. Its reading should be +12Vdc. Its reading

 

 

 

should be +12Vdc. If the reading shows normal, but the fan

 

 

 

still does not work, then replace a good fan.

 

 

3.

Main board.

 

 

 

 

Processor test failed.

 

1.

Processor.

 

 

2.

Main board.

 

 

 

 

Main board and Memory

NOTE: Ensure the memory modules are installed properly and the contact leads are clean before

diagnosing any system problems.

 

 

 

 

Memory test failed.

 

1.

See "Memory"

 

 

2.

Main board

 

 

 

 

Incorrect memory size shown or

 

1.

Insert the memory modules in the DIMM sockets

repeated during POST.

 

 

properly, then reboot the system.

 

 

2.

Memory module.

 

 

3.

Main board.

 

 

 

 

System works but fails to enter power

 

1.

Enter BIOS Setup and load default settings.

saving mode when the Power

 

 

In Windows Systems, check settings in Power

Management Mode is set to Enabled.

 

 

Management Property of Control Panel.

 

 

2.

Reload software from Recovery CD.

Blinking cursor only; system does not

 

1.

Diskette/IDE drive connection/cables

work.

 

2.

Diskette/IDE disk drives

 

 

3.

See “Undetermined Problems”.

 

 

4.

Main board

 

 

 

 

Hard Disk Drive

NOTE: Ensure hard disk drive is configured correctly in BIOS Setup, cable/jumper are set correctly before diagnosing any hard disk drive problems. (If only one drive is installed, please make sure the drive is connected to master connector or the drive is set to master.)

 

Hard disk drive test failed.

1.

Enter BIOS Setup and Load default settings.

 

 

2.

Hard disk drive cable.

 

 

3.

Hard disk drive.

 

 

4.

Main board.

 

Hard disk drive cannot format

1.

Enter BIOS Setup and Load default settings.

 

completely.

2.

Hard disk drive cable.

 

 

3.

Hard disk drive.

 

 

4.

Main board.

 

Hard disk drive has write error.

1.

Enter BIOS Setup and Load default settings.

 

 

2.

Hard disk drive.

 

Hard disk drive LED fails to light, but

1.

With the system power on, measure the voltage of hard disk

 

system operates normally.

 

LED connector.

 

 

2.

Hard drive LED cable.

 

 

 

 

 

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Contents Imedia S3811 Service Guide Date Chapter Updated Revision HistoryCopyright Conventions Preface Page Introducing the Motherboard IntroductionFeatures Dimensions and weight Bios FirmwareIntegrated I/O Mainboard Components Label ComponentBlock Diagram Imedia S3811 Icon Component DescriptionRear view Color/Use Headphone Audio Jack Function Table1CH Port Introduction Component DescriptionSystem Peripherals Mouse PS/2 or USB, manufacturing optionKeyboard PS/2 or USB, manufacturing option SpeakersCard Reader Option Hardware Specifications and Configurations Bios Hotkey ListSpecification Main Board Major ChipsSystem Memory Cache MemoryVideo Interface Audio InterfacePower Management IDE InterfaceUSB Port Devices Idle Shut DownPower Management Function Acpi support function Device Standby ModeGlobal Standby Mode Suspend ModeUsing Bios About the Setup UtilityStandard Configuration Entering the Setup UtilitySetup Utility Menus Updating the Bios Product Information Item HelpStandard Cmos Features Date and TimeA.R.T. Enabled UAHCI Port1 /Port2Sata Port0 Auto Halt On All, But KeyboardQuick Boot Enabled Advanced Bios FeaturesQuiet Boot Enabled Sequence from Available devices Removable Device Priority Press Enter Boot Up NumLock On USB Beep Message DisabledAdvanced Chipset Features Integrated Peripherals Power Management Setup Restore On AC Power Loss Last State Smart Fan Enabled PC Health StatusSpread Spectrum Enabled Frequency/Voltage ControlBios Security Features Load Default SettingsSupervisor Password Not Installed User Password Not InstalledSave & Exit Setup Exit Without SavingMachine Disassembly and Replacement General Information Before You BeginOpening the chassis Standard Assembly ProcessRemoving PSU bracket Removing HDD bracket Removing front bezelInsert the ODD devices Setting the Motherboard Page 1x1G 2x1G3x1G 4x1GAssembly motherboard Insert the system FanPage Front Pulling in HDD &ODD Sata cable on Motherboard Insert VGA card Insert the PSU Long for HDD used Short for ODD used Overview Standard Disassembly Process Removing the power-supplyPage Pulling out the Sata ODD cable and Sata HDD cable Removing the HDDFrontBack Removing the VGA Card Pulling out the Audio/USB1/CR/PANEL cableRemoving system Fan Removing the Main Board Page Release the four latch show bellow then remove the Memory Removing the ODD Removing the ODD bracketRemoving the ODD bracket Pushing the Cable Removing power switch & HDD-LED holder Page Machine Disassembly and Replacement Power-On Self-Test Post KB-5 Initializes DMAC-1 & DMAC-2 Needed Post Error Messages List Bios Messages Action/FRUSpecifics about the type and location of the memory error Error Symptoms List Error Symptom Action/FRU Processor / Processor FanMain board and Memory Hard Disk DriveError Symptom Action/FRU CD/DVD-ROM Drive AudioError Symptom Action/FRU Video and Monitor Power SupplyParallel/Serial Ports KeyboardError Symptom Action/FRU Other ProblemsUndetermined Problems Jumper and Connector Information Safety PrecautionsInstalling the Motherboard in a Case Choosing a Computer CaseChecking Jumper Settings Setting JumpersJumper Settings Checking Jumper SettingsJumper Type Description Setting Default IIIustration Connecting Case Components Connecting 24-pin power cableSysfan Cooling Fan Power Connector Pin Signal Name Function Atxpoweratx 24-pin Power Connector Pin Signal NameATX12V ATX 12V Power Connector Pin Signal Name Pin Signal NamePin Signal Name Function Power/Sleep/Message waiting LEDReset Switch Power SwitchInstalling the Processor Installing HardwareBefore installing the Processor CPU Installation Procedure Following illustration shows CPU installation componentsInstallation Procedure Installing Memory ModulesMemory Memory Bus Installing Serial ATA Hard Drives Sata cable optional Sata power cable optionalInstalling Add-on Cards PCIE1X1 SlotOnboard PCI interface does not support 64-bit Scsi cards Connecting Optional Devices FAUDIO1 Front Panel Audio headerSata 1~4 Serial ATA connectors Spdifo Spdif out headerOptionFRU Field Replaceable Unit List Exploded Diagram ChassisP5-15L w/ card reader ME BOMPage ChassisP5-15L w/o card reader ME BOM Page FRU List
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