To discover a working BIOS password for your Dell, enter the Service Tag from your Dell into our password generator tool. The Service Tag will be documented on a small sticker on the bottom, back, or side of your Dell PC. The Service Tag is a 7 digit identifier that is unique to your Dell. The Service Tag is different from the 10 digit Express Service Code. The Dell web site also has a tool to automatically detect your Service Tag.
The procedure will depend on the model of your Dell Latitude (e.g. E6400.), as well as on the BIOS version. In the BIOS, your the Service Tag of your laptop should end with something like '-####'. Those four digits depends on which version of the BIOS is installed. You must search for a solution that is compatible with those four digits. Latitude D530 A10 System BIOS. Download file to Desktop The file D530A10.EXE is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.
Dell Optiplex BIOS Password Recovery
The BIOS password may be cleared from a Dell Optiplex by removing the password jumper (PSWD) from the motherboard.
The password jumper’s location on a Dell Optiplex motherboard can be found by reviewing the Optiplex User Guides.
For most Dell Optiplex desktops, the steps to reset a BIOS password and clear all CMOS settings are:
- Locate the 3-pin CMOS password reset jumper on the system board.
- Remove the jumper plug from pins 1 and 2.
- Place the jumper plug on pins 2 and 3 and wait approximately 5 seconds.
- Replace the jumper plug on pins 1 and 2.
Dell Inspiron BIOS Password Recovery
Each Dell Inspiron has a master password that clears the BIOS password. Call Dell Technical Support at (800)624-9896 to get this number.
Dell Technical Support will request the Service Tag and Express Service Code from the bottom of the Inspiron.
If the current user is not the original Inspiron owner, Dell will transfer the used Inspiron’s registration from the original owner with only the Service Tag and Express Service Code from the tag on the laptop.
To transfer a used Dell Inspiron’s registration, fill out the Transfer of Ownership form on Dell’s web site.
Dell Latitude BIOS Password Recovery
Christophe Grenier wrote a program that calculates the master BIOS password for Dell Latitudes from the Service Tag number. That program is available here.
If a Latitude cannot be booted to run this program, call Dell Technical Support at (800)624-9896 to get the working password.
Dell Technical Support will request the Service Tag and Express Service Code from the bottom of the Latitude.
If the current user is not the original Latitude owner, Dell will transfer the used Latitude’s registration from the original owner with only the Service Tag and Express Service Code from the tag on the laptop.
To transfer a used Dell Latitude’s registration, fill out the Transfer of Ownership form on Dell’s web site.