Dell 2300C manual Clearing Forgotten Passwords

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Clearing Forgotten Passwords

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions on page 7.

If you forget your user or setup password, you cannot operate your computer or change settings in the system setup program until you clear the forgotten password(s).

NOTICE: This process erases both the system and setup passwords.

1Shut down the computer (see page 31).

2Turn off any attached devices and disconnect them from their electrical outlets.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

3Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

4Remove the computer stand (see page 19).

5Open the computer cover (see page 74).

6Locate jumper PSWD on the system board (see page 77) and remove the jumper plug.

7Close the computer cover (see page 84), plug your computer into an electrical outlet, and turn on the computer.

The existing password(s) will be erased.

8Shut down the computer (see page 31).

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

9Turn off any attached devices and disconnect them from their electrical outlets.

10Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

11Open the computer cover (see page 74).

12Reconnect the jumper plug to jumper PSWD (see page 77).

13Close the computer cover (see page 84).

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Appendix

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Contents Dell Dimension 2300C Hints, Notices, and Cautions Abbreviations and AcronymsContents Solving Problems Mail, Modem, and Internet ProblemsDiagnostic Lights Using System RestoreIf the screen is difficult to read Front and Back View of the ComputerAppendix General W . d e l l . c o m s u p p o r t . d e l l . c o m When Using Your Computer When Working Inside Your Computer Protecting Against Electrostatic Discharge Ergonomic Computing HabitsBattery Disposal Finding Information for Your Computer What Are You Looking For? Find it HereP r e s s S e r v i c e code a n d P r o d u c t Ke y T u p D i a g r a m Finding Information for Your Computer Setting Up and Using Your Computer Connecting the AC Adapter Attaching and Removing the Computer Stand Setting Up and Using Your Computer Printer Cable Setting Up a PrinterConnecting a Parallel Printer Connecting a USB Printer Connecting an Ieee 1394 Device Optional Ieee 1394 connector Ieee 1394 cable Transferring Information to a New ComputerNetwork Setup Wizard Setting Up a Home and Office NetworkConnecting to a Network Adapter Connecting to the Internet Setting Up Your Internet ConnectionClick Set up or change your Internet connection Copying CDsUsing Easy CD Creator Basic Using Blank CD-R Discs or Blank CD-RW Discs Helpful TipsHow to Copy a CD Support.roxio.comTurning Off the Computer Click Turn offSetting Up and Using Your Computer Solving Problems Finding Solutions SeeSolving Problems Battery Problems Finding Help InformationProblems writing to a CD-RW drive Drive ProblemsCD drive problems DVD drive problems Hard drive problemsMail, Modem, and Internet Problems Click Phone and Modem OptionsClick the Start button, and then click Control Panel Error Messages Click the Change or Remove Program iconGeneral Problems Program stops respondingProgram crashes repeatedly Program is designed for an earlier Windows operating systemOther software problems Solid blue screen appearsOther technical problems General hardware problemsIeee 1394 Problems Keyboard ProblemsMouse Problems CH E C K T H E M O U S E C a B L E Network Problems LightlightPC Card Problems Power ProblemsSolving Problems Printer Problems Scanner Problems Click Control Panel Click Printers and Other HardwareSound and Speaker Problems Video and Monitor Problems If the screen is blankIf the screen is difficult to read Solving Problems Advanced Troubleshooting Diagnostic Lights Diagnostic Code Definition Corrective ActionY Y Identifying Drivers What Is a Driver?Drivers Reinstalling Drivers Using Windows XP Device Driver RollbackUsing System Restore Using the Dell Dimension ResourceCDCreating a Restore Point Restoring the Computer to an Earlier Operating StateUndoing the Last System Restore Resolving Software and Hardware IncompatibilitiesReinstalling Windows XP Reinstalling Microsoft Windows XPBefore You Reinstall Preparing to Boot From the Operating System CD Completing the GUI Setup Completing the Operating System Setup Adding Parts Front and Back View of the Computer Front ViewComputer to unexpectedly restart Back View Reattaching the Front Door Opening the Computer Cover Cable security tab Release buttons One on each side Back of computerCard slots Looking Inside Your ComputerCD or DVD drive Hard drive System board System Board PC Card Types Installing a PC CardAdding PC Cards Optional Removing a PC Card Press the eject button, and gently remove the cardAdding Other Cards Adding Parts Adding Memory To microprocessor Closing the Computer Cover P e n d i Specifications MicroprocessorSystem Information Expansion BusDrives Ports and ConnectorsMemory Controls and Lights PowerAudio Physical EnvironmentalStandard Settings Viewing Settings System Setup Program ScreensClearing Forgotten Passwords Replacing the Battery Battery Dell Technical Support PolicyContacting Dell Japan Kawasaki Website support.jp.dell.comRegulatory Information D ex Index Index 100