Dell bios password

Usually no password. If you put one in then remove power cord and battery press and hold power button for several seconds. That should reset the bios and password.

revove batterie or somthing don´t work on Dell laptops, but it is possible to calculate a bios master password. I got it within minutes from http://master-password.kickme.to/

new dell bios password
If anyone like me forgot his new dell BIOS or HDD password, email this great body, he will help him like me.
support servicebios <info@servicebios.com>

http://www.servicebios.com/ is just a joke.
35$ for a password, lol
Here are more cheaper services above your post.

yup remove the cmos battery the password will erased...

As hinted, not all bios passwords are stored in cmos. If not then removing the battery will have zero effect.