IBM ThinkPad T400 BIOS Supervisor Password Problem.

[assassin]

Hi Guys,
My Client has IBM ThinkPad T400 laptop.The problem is he has forgotten BIOS Supervisor Password is there anyway to crack the BIOS password. I have heard that IBM has made BIOS Supervisor impossible to crack.
Please help.

[tangomouse]

on some dells you have to short a chip, however i don't know if this method will work on ibms ,take alook at this http://sodoityourself.com/hacking-ibm-thinkpad-bios-password/

[bonishah88]

I think this might be useful for you : http://www.cgsecurity.org/wiki/CmosPwd
and its freeware.(the page contains the download link)

also go through the articles mentioned here before going for CmosPwd : http://answers.yahoo.com/question/index?qid=20071005144813AAo2Ehc

Mind you i have never used it

ya, found raymond's article on this : http://www.raymond.cc/blog/archives/2008/07/06/how-to-reset-remove-clear-or-reveal-cmos-bios-security-password/

he too supports Cmospwd. but before doing anything please go through the whole article.

[tangomouse]

I think this might be useful for you : http://www.cgsecurity.org/wiki/CmosPwd
and its freeware.(the page contains the download link)

also go through the articles mentioned here before going for CmosPwd : http://answers.yahoo.com/question/in...5144813AAo2Ehc

Mind you i have never used it

ya, found raymond's article on this : http://www.raymond.cc/blog/archives/...rity-password/

he too supports Cmospwd. but before doing anything please go through the whole article.

for that to work you would need the pc to boot ,since it wont boot without the password then its useless ,however you could use a backdoor password and theres a list of them in raymonds artical

[luffy]

Open it and take battery out?

[bonishah88]

sorry....like i said i have never used it...just trying to help....thanks for the heads up tangomouse.

[tangomouse]

Open it and take battery out?

does`nt always work on laptops as the password is stored on a eeprom