Dell 4300s technical specifications Clearing Forgotten Passwords, Pxe Bis

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Diskette Interface

Sets diskette interface options. The default is Auto.

 

PC Speaker

 

Turns the PC speaker off and on. The default is On.

 

 

 

 

 

Primary Video Controller

Sets the primary video controller. The default is AGP.

 

 

 

 

 

Video DAC Snoop

Turns the video DAC Snoop off and on. The default is Off.

 

 

 

 

 

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 Hints, Notices, and Cautions Dell Dimension 4300SAbbreviations and Acronyms Diagnostic Code Definition Corrective Action Diagnostic CodesSystem Codes and Messages Message Possible Cause Corrective Action Post Beep CodesSystem Messages Beep Codes Possible Cause Corrective ActionPost Downloading the Tell Me How Help File and Associated Files DocumentationPrinted Documentation Online DocumentationAdding Parts Safety InstructionsWhen Using Your Computer When Working Inside Your ComputerMicrosoft Windows XP Shutting Down the ComputerAttaching and Removing the Computer Stand Protecting Against Electrostatic DischargeShut down the computer Opening the Computer CoverLooking Inside Your Computer Adding or Removing Cards Shut down the computer Close the computer cover Attach the computer stand optional Adding MemoryReplacing the AGP Card Front Panel Inserts Hard Drive Page Floppy Drive Page Inch Drive Page Replacing the Microprocessor Page Removing the System Board Replacing the System BoardReplacing the System Board Closing the Computer CoverBack to Contents Start-Up Error Messages Solving ProblemsAccessing Help Files Power ProblemsIf the screen is blank Video and Monitor ProblemsSound and Speaker Problems Adjust the Windows display settingsIf you cannot print to a USB printer Printer ProblemsReinstall the Sound audio driver- See Reinstalling Drivers If you cannot print to a parallel port printerVerify that the modem is communicating with Windows Scanner ProblemsModem Problems Mouse ProblemsIf you cannot save a file to a floppy disk Keyboard ProblemsDrive Problems Check the mouse settingsIf the CD-RW drive stops writing Network ProblemsMicrosoft Windows Error Messages If you have a hard drive problemInternet Connection Problems General Program ProblemsAt the Welcome Dell System Owner screen, click Next Mail ProblemsResolving Other Technical Problems Reinstalling Drivers Double-click the Phone and Modems Options iconResolving Software and Hardware Incompatibilities Using the Windows XP Device Driver RollbackWindows XP Click the System Restore tab Using System RestoreCreating a Restore Point Click Performance and MaintenanceUndoing the Last System Restore Reinstalling Windows XPRestoring the Computer to an Earlier Operating State Reinstalling Windows Back to Contents Technical Specifications Controls and Lights PowerAudio3 Video Back to Contents Overview System Setup ProgramViewing Settings System Setup Program ScreensOption 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 ConnectorsPin Number Signal Name 22-AWG Wire DC Power Connector P6DC Power Connectors P2, P3, and P4 DC Power Connector P5Page Computer Stand Controls and LightsFront View Back View Headphone ConnectorSerial Connector
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