原帖由： david chase ,
Hi, The recommended way is to go to manufacturer with service tag# and model# and they will reset your passowrd. you can also try dell passwords dot com. you can also look for a jumper reset on your laptop motherboard. for that you can follow tutorials available on you tube to unlock password for bios. Try Hiren Boot CD or Hiren Boot USB boot computer with Hiren CD/USB and follow on screen instruction to change bios password. Good Luck.