Acer X3910 manual System Check Procedures, Power System Check, System External Inspection

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System Check Procedures

Power System Check

If the system will power on, skip this section. Refer to System External Inspection.

If the system will not power on, do the following:

qCheck if the power cable is properly connected to the system and AC source. q Check if the voltage selector switch is set to the correct voltage setting.

System External Inspection

1.Inspect the LED indicators on the front panel, which can indicate the malfunction. For the LED locations and description of their behaviour, see “System LED Indicators” on page 8.

2.Make sure that air flow is not blocked.

3.Make sure nothing in the system is making contact that could short out power.

4.If the problem is not evident, continue with System Internal Inspection.

System Internal Inspection

1.Turn off the system and all the peripherals connected to it.

2.Unplug the power cord from the power outlets.

3.Unplug the power cord from the system.

4.Unplug all peripheral cables from the system.

5.Place the system unit on a flat, stable surface.

6.Remove the system covers. For instructions on removing system covers, refer to “System Disassembly” on page 27.

7.Verify that components are properly seated.

8.Verify that all cable connectors inside the system are firmly and correctly attached to their appropriate connectors.

9.Verify that all components are Acer-qualified and supported.

10.Replace the system covers.

11.Power on the system.

12.If the problem with the system is not evident, you can try viewing the POST messages and BIOS event logs during the system startup.

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Chapter 4

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Contents Acer Aspire Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents System Block Diagram and Board Layout Features ChapterPorts System BiosPower supply Operating system and softwareDimension and weight System Components Front PanelIcon Component Rear Panel Internal Components System LED Indicators LED indicator Color LED status DescriptionCmos Setup Utility System UtilitiesEntering Cmos setup Navigating Through the Setup UtilitySetup Utility Menus Product Information Parameter DescriptionStandard Cmos Features Atapi CdromAdvanced Bios Features CD/DVDAdvanced Chipset Features EistIntegrated Peripherals AhciPower Management Setup PC Health Status VbatFrequency/Voltage Control Bios Security Features Setting a system passwordRemoving a system password Load Default Settings Cmos Setup UtilitySave & Exit Setup Exit Without Saving Bios Recovery Chapter System Disassembly Disassembly RequirementsPre-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 C 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 Removing the Front I/O and Card Reader Boards Screw Quantity Pull the I/O board out of the bracket X3810 Chapter Removing the Mainboard Remove the screw D on the rear panel Chapter System Troubleshooting Hardware Diagnostic ProcedureSystem External Inspection System Check ProceduresPower System Check System Internal InspectionCheckpoints Viewing Bios checkpointsBootblock Initialization Code Checkpoints Checkpoint DescriptionBootblock Recovery Code Checkpoints Post Code Checkpoints Initialize RTC date/time DIM Code Checkpoints High Byte XYBeep Symptom Cause and Description Boot Block Beep CodesPost Bios Beep Codes Beep CodesTroubleshooting Post Bios Beep Codes Memory Error MessagesBoot Message Displayed DescriptionStorage Device Virus Related System Configuration EpromCmos MiscellaneousCPU eModule Error Messages USB eModule Error MessagesSmbios eModule Error Messages MPS Table Multi-processor eModule Error MessagesOnline Support Information System Block Diagram and Board Layout System Block DiagramMainboard Board LayoutCode Description KBMSCONN1 Name Location Default Settings System JumperFRU Field Replaceable Unit List X3910 Exploded Diagram Part Name X3910 FRU List Category Part Name Acer Part NumberModem Card LITE-ON D-1156E#A10A LOW-PROFILE PCI-E 56K ODD Pioneer BD Combo Sata HH DL 4X BDC-203RS W/BRACKET CPU Heatsink AIR Cooler LGA775 TMDC6 NEW Sprig 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 Intel Core 2 Duo Specification Intel Core 2 Quad SpecificationAppendix a Intel Pentium Dual-Core Specification Intel Celeron Dual-Core SpecificationSystem Memory Network Interface Specification Hard Disk DriveSuper Multi Specification Audio InterfaceRW 8X CLV DVD-ROM Appendix a