Well to start I would try basic default passwords such as 0000 , 1234 , admin , password ect . Otherwise look up dell optiplex bios password resetting and see what they have . Also try pulling your CMOS battery and waiting about ten minutes , this could reset the bios entirely . Worst case scenario is the bios password is locked to the motherboard like on some hp laptops . In that case your boned . <| sep |> Ohhh ! That ' s Joe Biden ! <| sep |> DOWN WITH THE EVIL WHITE MAN ! THATS RIGHT WHITE PEOPLE YOU MAY HAVE DONALD BUT OBAMA ALREADY LET IN ISIS XD . YOURE ALL TOO LATE YOU CUCKS ! !!<| sep |> I ' m 30 years old and was always told the same . I even did a year of college and it wasn ' t for me . I got into the union electrical apprenticeship 10 years ago and realized I didn ' t need college . I try to tell kids to join a trade but what turns them away the most is the process to get in or the hard work needed once you ' re in .