Acer X3950, X5950 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:

Check if the power cable is properly connected to the system and AC source.

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 7.

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 25.

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 X3950/X5950 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents System Block Diagram and Board Layout Features ChapterPorts Power supplyDimension and weight Operating system and softwareX3950 System ComponentsFront Panel Icon ComponentX5950 Rear Panel Internal Components System LED Indicators LED indicator Color LED status DescriptionChapter Cmos Setup Utility System UtilitiesEntering Cmos setup Navigating Through the Setup UtilitySetup Utility Menus Product Information Parameter DescriptionStandard Cmos Features Parameter Description OptionAdvanced Bios Features LANAdvanced 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 Save & Exit Setup Exit Without Saving System Disassembly Disassembly RequirementsPre-disassembly Procedure Main Unit Disassembly X3950 modelX5950 model Removing the Side Panel Removing the Front Bezel Page Removing the Heatsink Fan Assembly Page Removing the Processor Page Removing the Optical Drive Remove the two screws C that secure the optical drive Slide the optical drive out of the bracket Removing the Hard Disk Drive Removing the Power Supply Lift the power supply module off the unit X3950 Removing the Memory Modules Removing an Expansion Card To remove a network cardTo remove a VGA card To remove a TV tuner card Removing the Front I/O and Card Reader Boards Pull the board out of the bracket Chapter Pull the I/O board out of the bracket Removing the Mainboard Lift the board off the housing Removing the Top Bezel 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 Module DIM Code Checkpoints Acpi Runtime CheckpointsMemory 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 MessagesBeep Symptom Cause and Description Beep CodesIndex of Symptom-to-FRU Error Message Diskette Drive-Related Symptoms Symptom / Error Action/FRU Hard Disk Drive-Related Symptoms Symptom / Error Action/FRU CD/DVD-ROM 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 Some or all keys on keyboard do not work  Keyboard Bios Recovery Select Save & Exit Setup, then press Enter Undetermined Problems System Block Diagram and Board Layout System Block DiagramMainboard Layout Code DescriptionPWR1 Chapter FRU Field Replaceable Unit List Exploded Diagram X3950 modelX5950 model X3950 FRU List System model PV.SE602.004 AX3950 AAP AJC PV.SE602.004CPU/PROCESSOR System model PT.SE602.003 AX3950 AAP ACS PT.SE602.003 Speaker Speaker Chiamaw 9M-20A200-000 Acer Logo LF System model PT.SE602.004 AX3950 AAP ACS PT.SE602.004 Front Bezel W/LED Switch Cable for TBD CPU/PROCESSOR System model PT.SE602.005 AX3950 AAP ACS PT.SE602.005 KH.01K01.007 X5950 FRU List System model 91.3CY01.002G Aagassi PVT/MVB SKU AX5950Front Bezel for Speaker Speaker USB Neosonica NEW Silver Color AC-MT-113 Specification Appendix aSystem Bios VGA Interface BD Combo Module Specification Keyboard and Input DevicesBdmv Aacs Super Multi Specification PcavDVD-R 2x / 4x CLV, 2.4x~6x Appendix a 100