Acer 5910 manual Memory Check, Power System Check, Check the AC Adapter

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Memory Check

Memory errors might stop system operations, display error messages, or cause the system to hang up. Make sure that the DIMM is properly installed in its slot. A loose connection can cause an error.

If the DIMM connection is correct, run the Doagmpstotics Test.

1.Boot from the diagnostics diskette and start the Doagmpstotics program.

2.Go to the diagnostic memory in the test items.

3.Press F2 in the test items.

4.Follow the instructions in the message window.

Power System Check

To verify the cause of the power problem, power on the computer using the AC adapter, and then the battery pack.

1.Remove the battery pack.

2.Connect the AC adapter and check if power is supplied.

3.Disconnect the AC adapter and install a fully-charged battery pack, and then check if power is supplied. t If the failure is cause by a defective AC adapter, refer to the “Check the AC Adapter” section.

t If the failure is cause by a defective battery pack, refer to the “Check the Battery Pack” section.

Check the AC Adapter

Unplug the AC adapter cable from the computer and measure the output voltage at the plug of the AC adapter cable. Refer the figure below.

Pin 1: + 19 to +20.5V

Pin 2: OV, ground

1.If the voltage is not correct, replace the power adapter.

2.If the voltage is within the range, do the following:

a.Replace the system board.

b.If the problem is not corrected, see the section “Undetermined Problems” on page 79.

c.If the voltage is still not corrected, proceed to the next step.

NOTE: An audible noise from the power adapter does not always indicate a defect.

3.If the power indicator does not light up, check the power cord of the AC adapter for correct continuity and installation.

4.If the operational charge does not work, see the “Check the Battery Pack” section on the next page.

Chapter 1

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Contents Acer Aspire 5910 Notebook Computer Service Guide Revision History III CopyrightConventions Service Guide Coverage Page Table of Contents Viii System TroubleshootingChapter FeaturesConnectivity AudioKeyboard and special keys InterfacePower subsystem Status indicatorsPhysical Software AccessoriesEnvironment Open Front View Aspire TourClose Front View Right View Left ViewODD Base View Rear ViewStatus Indicators Easy-launch Keys System Utilities Phoenix TrustedCore Setup UtilityAccessing the Setup Utility Navigating Through the Setup Utility Information Setup Utility MenusUuid Disabled EnabledMain 128 MBSecurity To set a system password Setting a system passwordTo remove a system password To change a system passwordTo clear a lost password To set the boot drive sequence BootExit Bios Flash Precautions Bios Flash UtilityBios Recovery Select Start All Programs Launch Manager Launch ManagerStages of the Disassembly Process Disassembly ToolsEquivalent Torque Values TorqueSystem Screw List Pre-disassembly ProcedureExternal Modules Disassembly Flowchart External Modules DisassemblyRemoving the ExpressCard/54 Dummy Card Removing the SD Dummy CardRemoving the Battery Pack Removing the Lower Case Cover Removing the Wlan Board Removing the Memory ModulesStep Type Quantity Color Torque Removing and Dismantling the HDD Assembly Removing and Dismantling the ODD Assembly Removing the Cooling Fan Removing the Heat Sink Removing the Processor Removing the VGA Board Main Unit Disassembly Flowchart Main Unit DisassemblyRemoving the Keyboard Removing the LCD Module Removing the Middle CoverM2.5 x L12 BZN+NYLOK Silver Kgf-cm +/-15% Removing the Power Board Removing the Upper Case Chapter Step Type Quantity Color Torque Removing the Speaker Removing the Power FPC CableRemoving the E-key Board Removing the Touchpad Board Removing the Launch BoardChapter Removing the Modem Board Removing the Bluetooth Board Removing the USB Board Removing the SubwooferStep Type Quantity Color Torque Removing the System Board Removing the DC-in Jack Removing the Card Reader BoardLCD Module Disassembly Flowchart LCD Module DisassemblyRemoving the LCD Bezel Removing the LCD Panel Removing the LCD-CCD Cable Removing the Inverter BoardRemoving the LCD Module Hinges Removing the LCD Panel BracketsRemoving the Microphones Removing the CCD BoardRemoving the Wlan Antennas Chapter Hardware Diagnostic Procedure System TroubleshootingExternal Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckMemory Check Power System CheckCheck the AC Adapter Touchpad Check Check the Battery PackPost Error Message Post Error IndicatorsDimm Bios ROMCmos CPU IDSystem Error No Beep Post Post Beep CodesSetup Code Beeps Post Routine Description Code Beeps Post Routine Description Code Beeps Post Routine Description LCD-related Symptoms Index of Symptom-to-FRU Error MessageMemory-related Symptom Related Symptoms Intermittent Problems Undetermined Problems Online Support Information System Block Diagram System Block Diagram and Board LayoutTop View System Board LayoutBottom View System Switch Model a Appendix aAUO Model BHlds YEC Model CCord EUR 220V 3P BK Model DHardware Compatibility Tests Appendix BBluetooth Access Point Test Hardware Compatibility Tests Games and Software Compatibility Tests Processor Appendix CSystem Controllers HYMP564S64C HYMP512S64C MemoryAudio Interface Video InterfacePdif USB InterfaceWlan Controller LAN ControllerCKIP, Tkip USB Battery PackAC Adapter SADP-65KB DBE ADP-90SB Bbea LFMK1237GSX Hard Disk DriveDVR-K17RS GSA-T20NDVD-RW 5V DCLCD Inverter System BiosPower Management 102 Chapter Index Index Post 106 Index 107