Acer 5910 To change a system password, To remove a system password, To clear a lost password

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To change a system password:

1.Press or to highlight an enabled password field, then press Enter. The password box appears.

2.Type the original password, then press Enter.

3.Type a new password, then press Enter.

4.Retype the new password to verify the first entry, then press Enter. You will be prompted to save the new password.

5.Press Enter.

6.Press F10 to save the password and close the Setup Utility.

To remove a system password:

1.Press or to highlight a password parameter, then press Enter. The password box appears.

2.Type the original password, then press Enter.

3.Press Enter twice without entering anything in the new and confirm password fields. You will be prompted to confirm the password removal.

4.Press Enter.

The corresponding password status field displays Clear to indicate that the password has been disabled.

5.Press F10 to save the changes you made and close the Setup Utility.

To clear a lost password:

If you have forgotten the user password, the computer will continue to function normally but you will have limited access to the Setup Utility.

If you have enabled the Password on Boot field and you forget the supervisor password, you will not be able to boot up the computer. The same thing applies if you forget an HDD password. You will need to clear the lost password by shorting the SW1 dip switch located near the DIMM slot (DM1).

Perform the following procedure to clear all the system passwords (user, supervisor, and HDD).

1.Turn off the computer and unplug all the peripherals connected to it.

2.Unplug the power cord from the computer.

3.Remove the lower case cover according to the instructions described on page 28.

4.Remove the memory modules according to the instructions described on page 29.

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Chapter 1

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Contents Acer Aspire 5910 Notebook Computer Service Guide Revision History Copyright IIIConventions Service Guide Coverage Page Table of Contents System Troubleshooting ViiiFeatures ChapterKeyboard and special keys AudioConnectivity InterfacePhysical Status indicatorsPower subsystem Environment AccessoriesSoftware Aspire Tour Open Front ViewClose Front View ODD Left ViewRight View Rear View Base ViewStatus Indicators Easy-launch Keys Phoenix TrustedCore Setup Utility System UtilitiesAccessing the Setup Utility Navigating Through the Setup Utility Uuid Setup Utility MenusInformation Main EnabledDisabled 128 MBSecurity Setting a system password To set a system passwordTo clear a lost password To change a system passwordTo remove a system password Boot To set the boot drive sequenceExit Bios Recovery Bios Flash UtilityBios Flash Precautions Launch Manager Select Start All Programs Launch ManagerEquivalent Torque Values Disassembly ToolsStages of the Disassembly Process TorquePre-disassembly Procedure System Screw ListExternal Modules Disassembly External Modules Disassembly FlowchartRemoving the SD Dummy Card Removing the ExpressCard/54 Dummy CardRemoving the Battery Pack Removing the Lower Case Cover Removing the Memory Modules Removing the Wlan BoardStep 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 Main Unit Disassembly FlowchartRemoving the Keyboard Removing the Middle Cover Removing the LCD ModuleM2.5 x L12 BZN+NYLOK Silver Kgf-cm +/-15% Removing the Power Board Removing the Upper Case Chapter Step Type Quantity Color Torque Removing the Power FPC Cable Removing the SpeakerRemoving the E-key Board Removing the Launch Board Removing the Touchpad BoardChapter Removing the Modem Board Removing the Bluetooth Board Removing the Subwoofer Removing the USB BoardStep Type Quantity Color Torque Removing the System Board Removing the Card Reader Board Removing the DC-in JackLCD Module Disassembly LCD Module Disassembly FlowchartRemoving the LCD Bezel Removing the LCD Panel Removing the Inverter Board Removing the LCD-CCD CableRemoving the LCD Panel Brackets Removing the LCD Module HingesRemoving the CCD Board Removing the MicrophonesRemoving the Wlan Antennas Chapter System Troubleshooting Hardware Diagnostic ProcedureExternal CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckCheck the AC Adapter Power System CheckMemory Check Check the Battery Pack Touchpad CheckPost Error Indicators Post Error MessageCmos Bios ROMDimm CPU IDSystem Error No Beep Post Beep Codes PostSetup Code Beeps Post Routine Description Code Beeps Post Routine Description Code Beeps Post Routine Description Index of Symptom-to-FRU Error Message LCD-related SymptomsMemory-related Symptom Related Symptoms Intermittent Problems Undetermined Problems Online Support Information System Block Diagram and Board Layout System Block DiagramSystem Board Layout Top ViewBottom View System Switch Appendix a Model aHlds Model BAUO Model C YECModel D Cord EUR 220V 3P BKAppendix B Hardware Compatibility TestsBluetooth Access Point Test Hardware Compatibility Tests Games and Software Compatibility Tests System Controllers Appendix CProcessor Memory HYMP564S64C HYMP512S64CPdif Video InterfaceAudio Interface USB InterfaceCKIP, Tkip LAN ControllerWlan Controller AC Adapter Battery PackUSB SADP-65KB DBE ADP-90SB Bbea LFHard Disk Drive MK1237GSXDVD-RW GSA-T20NDVR-K17RS 5V DCSystem Bios LCD InverterPower Management 102 Chapter Index Index Post 106 Index 107