Dell Dimension 4300 technical specifications Clearing Forgotten Passwords, Pxe Bis

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The following table shows System Security option information.

Option

Function

 

 

Password

Locks and unlocks the password option. The default is Unlocked.

Status

 

 

 

System

Enables and disables the system password. The default is Disabled.

Password

 

 

 

Setup

Enables and disables the setup password. The default is Disabled.

Password

 

 

 

PXE BIS

Specifies how the computer will respond to boot integrity services authentication requests when no certificate has been installed. When set

Default Policy

to Deny (the default), this request is rejected. The request is accepted when set to Accept. (Dell does not support Wake on LAN or PXE on

 

this Dimension system and cannot assist you with debugging a Wake on LAN or a PXE failure—those features are enabled only for your

 

convenience.)

 

 

 

 

Clearing Forgotten Passwords

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions on "Safety Instructions."

If you forget your system 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.

1.Shut down the computer.

2.Turn 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.

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

4.Open the computer cover.

5.Locate jumper PSWD on the system board and remove the jumper plug.

6.Close the computer cover, plug your computer into an electrical outlet, and turn on the computer.

The existing password(s) are erased.

7.Shut down the computer.

8.Turn 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.

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

10.Open the computer cover.

11.Install the PSWD jumper plug.

12.Close the computer cover, plug your computer into an electrical outlet, and turn on the computer.

Turning on your computer with the PSWD jumper installed reenables the password feature.

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Contents Dell Dimension Hints, Notices, and CautionsAbbreviations and Acronyms Diagnostic Codes Diagnostic Code Definition Corrective ActionSystem Codes and Messages System Messages Post Beep CodesBeep Codes Possible Cause Corrective Action Message Possible Cause Corrective ActionPost Printed Documentation DocumentationOnline Documentation Downloading the Tell Me How Help File and Associated FilesWhen Using Your Computer Safety InstructionsWhen Working Inside Your Computer Adding PartsReattaching the Front Door and Hinge Arms Shutting Down the ComputerReattaching the Hinge Arms Opening the Computer Cover Open the computer cover Adding CardsClose the computer cover Removing CardsAdding Memory Replacing an AGP Card Adding a Second Hard Drive Inch Devices Adding Other DrivesShut down the computer Inch Devices Replacing the Microprocessor Page Installing the Microprocessor Replacing the Power Supply Removing the Power SupplyRemoving the Front I/O Panel Replacing the Power Supply Replacing the System BoardRemoving the System Board Replacing the System Board Closing the Computer CoverPage Solving Problems Accessing Help FilesPower Problems Video and Monitor Problems Start-Up Error MessagesAdjust the Windows display settings If the screen is blankPrinter Problems Sound and Speaker ProblemsIf you cannot print to a parallel port printer If you cannot print to a USB printerModem Problems Scanner ProblemsVerify that the modem is communicating with Windows Control Panel, double-clickPhone and Modem OptionsKeyboard Problems Mouse ProblemsDrive Problems Check the mouse settingsUnder Error-checking, click Check Now If you have a hard drive problemIf you cannot play a DVD movie If the CD-RW drive stops writingNetwork Problems Microsoft Windows Error MessagesGeneral Program Problems Internet Connection Problems Mail ProblemsResolving Other Technical Problems Using the Windows XP Device Driver Rollback Reinstalling DriversAt the Welcome Dell System Owner screen, click Next Click PropertiesResolving Software and Hardware Incompatibilities Click Performance and Maintenance, and then click SystemWindows Me WindowsCreating a Restore Point Using System RestoreClick Performance and Maintenance Click the System Restore tabUndoing the Last System Restore Reinstalling Windows XPClick Create a restore point Restoring the Computer to an Earlier Operating StateClick Next in the Welcome to Windows Me window Reinstalling Windows MeClick I accept the Agreement, and then click Next Reinstalling WindowsBack to Contents Specifications Technical SpecificationsAudio3 PowerVideo Controls and LightsPage Viewing Settings System Setup ProgramSystem Setup Program Screens OverviewOption Function PXE BIS Clearing Forgotten PasswordsTechnical Overview Internal View System Board Connectors and SocketsSocketed Microprocessor Power SupplyPin Number Signal name 18-AWG Wire DC Power ConnectorsDC Power Connector P2 DC Power Connectors P3, P5, P6, P8, and P9DC Power Connector P7 Placement of Dell-Installed Cards IDE Interface Cable Connections for Dell-Installed DrivesPin Number Signal Name 22-AWG Wire IDE Channel IDE Connector Location Dell Installed DriveFront View Controls and LightsWindows Label Back ViewSerial Connector Hints, Notices, and Cautions Abbreviations and Acronyms
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