I'm in need of the master bios password for Dell Inspiron 15 3521 service tag # 46J20.

According to the following website...
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. See... http://www.tech-faq.com/reset-dell-bios-password.html

Remove the CMOS BATTERY And turn On the pc and go to Bios Then change password OR Follow Link And Read The Steps
http://varuhardtech.blogspot.in/

did you get this figured out I may have what you need. .. I was able to get the master password for this from dell

DELL service tag: 2DMNPF1-595B has a Dell bios master password: j31qknmi OR 8vigkcij
Thanks to the guys at unlockbiosrecovery.com for providing this Dell Bios Master Password that unlocks your Dell Inspiton 1525 bios password.

Dell Inspiron BIOS Password Recovery

Each Dell Inspiron has a master password which will clear the BIOS
password. You can get this number by calling Dell Technical Support at
(800)624-9896.

Dell Technical Support will request the Service Tag and Express
Service Code from the bottom of your Inspiron.

If you were not the original owner of the Inspiron, Dell will transfer
registration of the used Inspiron from the original owner with only
the Service Tag and Express Service Code from the tag on the laptop.

To transfer the registration of a used Dell Inspiron, fill out the
Transfer of Ownership form on Dell's web site.

Hi, You can download the free, small program ctbios15.zip from the german Computermagazine c't. Ctbios shows the password and some other interesting things about your BIOS. Easy way to get Dell bios master password and Hard Drive (HDD) master password

Just go to http://www.mastermindit.biz/freedellbios.html

Email your model and service tag and they email back your bios master password and or HDD master password for your Dell computer. Free but donations are encouraged
regards sathyamoorthy

Dell Inspiron BIOS Password Recovery

Each Dell Inspiron has a master password which will clear the BIOS
password. You can get this number by calling Dell Technical Support at
(800)624-9896.

Dell Technical Support will request the Service Tag and Express
Service Code from the bottom of your Inspiron.

If you were not the original owner of the Inspiron, Dell will transfer
registration of the used Inspiron from the original owner with only
the Service Tag and Express Service Code from the tag on the laptop.

To transfer the registration of a used Dell Inspiron, fill out the
Transfer of Ownership form on Dell's web site.

Hope it would help..

vDell Laptop with bios or hard drive password set ? Unlock your dell laptop using the link below if it display a message that says "this computer system is protected by a password authentication system, you cannot access the data on this computer without the primary or administrator password, when you turn on the computer. This message is what you get if the BIOS is protected by a password. or you get system disabled

Go to: http://dell-inspiron-1520-bios-password.biospwd.com to get your dell bios password authentication and get full access to your dell computer, they can unlock almost all dell laptop such as dell inspiron, xps, latitude, precision, studio, vostro

Dell Inspiron BIOS Password Recovery
Each Dell Inspiron has a master password which will clear the BIOS password. You can get this number by calling Dell Technical Support at (800)624-9896.
Dell Technical Support will request the Service Tag and Express Service Code from the bottom of your Inspiron.
If you were not the original owner of the Inspiron, Dell will transfer registration of the used Inspiron from the original owner with only the Service Tag and Express Service Code from the tag on the laptop.
To transfer the registration of a used Dell Inspiron, fill out the Transfer of Ownership form on Dell's web site.

Dell Laptop with bios or hard drive password set ? Unlock your dell laptop using the link below if it display a message that says "this computer system is protected by a password authentication system, you cannot access the data on this computer without the primary or administrator password, when you turn on the computer. This message is what you get if the BIOS is protected by a password. or you get system disabled

Go to: http://dell-inspiron-b130-bios-password.biospwd.com to get your dell bios password authentication and get full access to your dell computer, they can unlock almost all dell laptop such as dell inspiron, xps, latitude, precision, studio, vostro