Every Dell laptop has a master password but Dell themselves know it. It uses an algorithm internal confidential system which utilizes your service tag. Your best option is to reach out to them for this master password.
Last Wiki Answer Submitted: April 21, 2010 1:21 pm by Aguacer08,120 pts.
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If you call Dell and give them the Service Tag & Express Service Code. They will give you the Master password to reset the bios password. I believe that their number is 800-624-9896.
Another way to do it, it would be to remove the MB battery. But that implies a little knowledge about how to open your laptop.
If you call Dell and give them the Service Tag & Express Service Code. They will give you the Master password to reset the bios password. I believe that their number is 800-624-9896.