Acer X5812, X3812 manual System Troubleshooting, Hardware Diagnostic Procedure

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Chapter 4

System Troubleshooting

This chapter provides instructions on how to troubleshoot system hardware problems.

Hardware Diagnostic Procedure

IMPORTANT:The diagnostic tests described in this chapter are only intended to test 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 recreate the failure by running the diagnostic tests or repeating the same operation.

3.Refer to “Power System Check” on page 50 and “Beep Codes” on page 56 to determine which corrective action to perform.

Chapter 4

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Contents Acer Aspire X3812/X5812 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents Chapter System Block Diagram and Board Layout Chapter FeaturesPower supply System BiosPorts Operating system and softwareDimension and weight Front Panel System ComponentsX3812 Icon ComponentX5812 Rear Panel Internal Components LED indicator Color LED status Description System LED IndicatorsSystem Utilities Cmos Setup UtilityNavigating Through the Setup Utility Entering Cmos setupSetup Utility Menus Parameter Description Product InformationParameter Description Option Standard Cmos FeaturesEnabled Advanced Bios FeaturesAuto Advanced Chipset FeaturesAhci Integrated PeripheralsPower Management Setup PC Health Status Frequency/Voltage Control Setting a system password Bios Security FeaturesRemoving a system password Load Default Settings Save & Exit Setup Exit Without Saving Bios Recovery Chapter Disassembly Requirements System DisassemblyPre-disassembly Procedure Main Unit Disassembly Main Unit DisassemblyRemoving the Side Panel Removing the Front Bezel Removing the Heat Sink Fan Assembly Removing the Processor Removing the Optical Drive Page Remove the two screws B from the optical drive Removing the Hard Disk Drive Removing the Power Supply Lift the power supply module out of the chassis Chapter Removing the Memory Modules Removing the TV Tuner Card Removing the VGA Card Disconnect the VGA card cable from the mainboard Chapter Removing the Front I/O and Card Reader Boards Remove the screw D that secures the bracket to the chassis Pull the I/O board out of the bracket Removing the Mainboard Remove the screw B on the rear panel Hardware Diagnostic Procedure System TroubleshootingPower System Check System Check ProceduresSystem External Inspection System Internal InspectionBootblock Initialization Code Checkpoints Viewing Bios checkpointsCheckpoints Checkpoint DescriptionBootblock Recovery Code Checkpoints Post Code Checkpoints Initialize RTC date/time High Byte XY DIM Code CheckpointsPost Bios Beep Codes Boot Block Beep CodesBeep Symptom Cause and Description Beep CodesTroubleshooting Post Bios Beep Codes Boot Error MessagesMemory Message Displayed DescriptionStorage Device Virus Related Eprom System ConfigurationMiscellaneous CmosSmbios eModule Error Messages USB eModule Error MessagesCPU eModule Error Messages MPS Table Multi-processor eModule Error MessagesOnline Support Information System Block Diagram System Block Diagram and Board LayoutBoard Layout MainboardCode Description PWR2 System Jumper Name Location Default SettingsFRU Field Replaceable Unit List Aspire X3812/X5812 Exploded Diagram Part Name Category Part Name Acer Part Number X3812 FRU ListModem Card LITE-ON D-1156E#A10A LOW-PROFILE PCI-E 56K Lower Case HDD 1TB 3.5 7200RPM Sata Hgst Saturn HDT721010SLA360 Keyboard PS2 104KEY Chicony KB-07593S32552V Russian Black Keyboard PS2 105KEY LITE-ON SK-9620 SG-30600-35W Swedish Keyboard USB 105KEY Chicony KU-07606CH2552V SWISS/G Black Keyboard USB 105KS LITE-ON SK-9625 Black Belgium Pointing Device Mouse PS2 OPT SM-9620 Liteon SM-30600-00W X5812 FRU List CASE/COVER/BRACKET Assembly Front Bezel Upper Case Keyboard Keyboard PS2 104KEY Chicony KB-07593US2552V US2552V US Blac Keyboard PS2 104KEY Chicony KB-07593S32552V Russian Black Keyboard PS2 105KEY LITE-ON SK-9620 SG-30600-35W Swedish Keyboard USB 105KEY Chicony KU-07606CH2552V SWISS/G Black Memory Memory Nanya DDR3 1333MHZ 1G NT1GC64B88A0NF-CG Rohs Power Supply 220W PFC 230V Liteon PE-5221-08AP-ROHS Chapter Chapter Intel Core 2 Quad Specification Intel Core 2 Duo SpecificationAppendix a Intel Celeron Dual-Core Specification Intel Pentium Dual-Core SpecificationSystem Memory Hard Disk Drive Network Interface SpecificationAudio Interface Super Multi SpecificationRW 8X CLV DVD-ROM Appendix a 100