How to Unlock a Dell Latitude D430

Written by jennifer moore
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When your Dell Latitude D430 is locked, the Basic Input/Output system has a password attached to it, making it impossible to make changes like boot order, or adding devices like a new hard drive. This password could be set by a previous owner, an employee, or by you (and forgotten). The easiest unlocking method is to simply remove all power including the battery from the laptop for about 30 minutes to see if the Bios will reset itself when power is restored. However, if this doesn't work, you should use a CMOS elimination program.

Skill level:
Moderately Easy


  1. 1

    Download a CMOS password elimination software program like CmosPwd 4.8, PC CMOS Cleaner or CmosPWD (see Resources). Click "Save" when offered to either run or save the unlocking program. Locate the program icon and click twice to start the installation. Follow the easy to follow installation wizard instructions.

  2. 2

    Go to "Start" and choose to "Restart the computer." Just before you see the windows logo you will see the prompt giving you the appropriate function key to get into the Bios screen on your Dell Latitude. Tap the key specified until you get into the Bios. If the Windows Logo starts you have waited to long to tap the function key and need to restart the computer again and tap the appropriate key.

  3. 3

    Locate the Bios fabricator. The name is at the top of the screen and is something like Phoenix, or Ami Bios. Write the name of the Bios maker down. Press "Esc" or whatever key specified in the Bios to exit the Bios screen.

  4. 4

    Allow the laptop to enter Windows again. Go to "Start," "Programs" and select the password elimination software icon to open the program.

  5. 5

    Start the password retrieval or change process. Some programs will try to retrieve a generic password for you to use with Bios manufacturers. In this case write down the possible passwords. Restart the machine and enter the Bios again pressing the appropriate Function key. Enter the passwords given by the program and if the Bios opens choose to change the password to one you will remember. Otherwise this type of program will simply change the password to one you choose or reset the Bios to default settings when there wasn't a password.

  6. 6

    Restart the computer and enter the Bios again. Reset any personal Bios configuration settings you may have had if the program reset the Bios to default settings. Check the password settings which should either be the password you set, or no password at all.

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