Acer X1935 manual Power System Check, System External Inspection, System Internal 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 switchis set to the correct voltage setting.

System External Inspection

1.Inspect the LED indicators on the front panel, which can indicate the malfunction.

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 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents Jumper and Connector Information Features ChapterSuper IO Buzzer Power supply Block Diagram System Components Front PanelRear Panel Hardware Specifications and Configurations Bios Hotkey ListProcessor Main Board Major ChipsAudio Interface Memory CombinationsSystem Memory Sata Interface USB PortPower Management Environmental RequirementsPower Management FunctionACPI support function Device Standby ModeGlobal Standby Mode Suspend ModeCmos Setup Utility System UtilitiesEntering Cmos setup Navigating Through the Setup UtilitySetup Utility Menus Main Parameter DescriptionAdvanced Miscellaneous Advanced Chipset Configuration Integrated Peripherals PC Health Status Power Setting a supervisor password SecurityBoot Options LANExit System Disassembly and Assembly Disassembly RequirementsPre-disassembly Procedure Removing the Side Panel Removing the Front Bezel Removing the Heat Sink Fan Assembly Chapter Removing the Processor Chapter Removing the HDD-ODD Bracket Removing the Optical Drive and the Hard Disk Drive Page Chapter Page Detaching the Front Bezel Removing the Memory Modules Removing the Power Supply Page Removing the Front I/O and Optional Card Reader Assembly Page Page Removing the Mainboard Battery and follow local regulations for disposal Chapter Assembly Requirements Assembly Procedure Removing the Side Panel Removing the Front Bezel Removing the HDD-ODD Bracket Reinstalling the I/O Shielding Reinstalling the Main Board Chapter Reinstalling the Power Supply Chapter Reinnstalling the Memory Reinstalling the Front Bezel Power Button/LED Cable Reinstalling the Optical Drive and the Hard Disk Drive Chapter Page Chapter Reinstalling the HDD-ODD Bracket Reinstalling the Processor Page Reinstalling the Heat Sink Fan Assembly Page Reinstalling the Front Bezel Reinstalling the Side Panel Chapter System Troubleshooting System Internal Inspection Power System CheckSystem External Inspection Beep Codes Checkpoints Viewing Bios checkpointsBootblock Initialization Code Checkpoints System is waking from Acpi S3 state Bootblock Recovery Code Checkpoints Checkpoint DescriptionBios Recovery Jumper and Connector Information PlacementDBGH1 Jumper Setting Jumper Type Description Setting defaultInternal Header Pin Definition Header Name Function Definition1CLOCK 4GND Connector Pin Definition USB3.0 Conn 1USB PWR USB Conn 1USB PWR FRU Field Replaceable Unit List Aspire X1935 Exploded Diagram Name ’TYCategory Description Part Number Exploded Diagram Item Aspire X1935 FRU ListCategory Description Part Number Exploded + Hdmi Samsung LP Category Description Part Number Exploded Chapter Category Description Part Number Exploded Chapter Category Description Part Number Exploded Chapter Category Description Part Number Exploded