Dell black screen password

[luigi48994]

i have just been given a dell dimension 3100 but every time i switch it on it asks for a password, which i dont have, can anybody tell me if i can bypass the password and carry on using it

 

[GhislainG]

You can't continue without it. Read the manual, visit Dell's support site or contact them to know how to reset the password. Unless the system was stolen, the previous owner should know what the password is.