How to Get the BIOS Password In Windows, Linux, or DOS

Sometimes we need to acquire the BIOS password for a particular machine, either because we wanted to break into that freaking school CD driver or because somebody is so ignorant that s/he forgot the BIOS password.

Using a program named CmosPwd, you can extract the passwords of most BIOS ever used on earth. I have tried it both at the computer in my school and also at home, and CmosPwd works wonderfully. CmosPwd is an open source program and has ready binaries for Windows, Linux, and DOS.

To use it, you need an administrator privilege (or, because there is also a Linux version, you may want to boot to a LiveCD for root access). Since it only has a command line interface, use Command Prompt or Terminal or whatever. In the Windows version, you need to install a driver (this is why you need administrator privilege) by executing command ioperm -i. Then execute cmospwd_win (for Windows) and tada! A lot of garbage will appear (for each BIOS supported), but there will be one line which corresponds to your BIOS that has a legible output. And that is the password.

68 comments

Lab ?

Is it really necessary to be applied in our lab since "the penguin" has long gone ? 'Nothing' interrupts our activity anymore... Or do you have any other plan ? ;)

Of course it is necessary!

Of course it is necessary! How can we use the flashdisks since USB support has been blocked in the BIOS!?!?

(unfamiliar with this topic? "penguin" is a former teacher that always wants to take the freedom from our computer lab by setting up passwords and everything. He dropped last year but the remnants of his work still exists)

Yes.

Yes, Master. I forgot that stupid thing. He (or someone else ? CMIIW) has blocked the USB Port and also the CD Driver. Okay, CD Driver problem is easy to handle since you have administrator privilege. About USB Port, I do agree. It's obvious that Flash Disk and other USB stuffs is our most simple, efficient storage device, isn't it ?

P.S. : I have my own idea about Consultative Assembly. Check it out in my blog.

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BIOS PASSWORD.

HI SIR
I WANTS ONE COMMAND TO BREAK BIOS PASSWORD IN DOS WINDOWS. PLZ REPLY SOON.

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You don’t put your. You don't put your email... you can always "contact me":en/about. (and all caps are usually considered shouting)
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set bios directory

Remove BIOS Password.

Open your CPU cabinet and just remove the battery inside and again place after a few minutes. You could use now your system.

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password breaking & protecting own PC.

sir pls send me some methods to break password by using DOS and how to protect my own PC.

Because a business letter is.

Because a business letter is usually printed on letterhead or has the company's address and contact details in an address block, it means that all that is needed for the signature block is a name and details of the signatory's position within the company.

please i forgot my bios.

please i forgot my bios password and i really want to acess my laptop.i would be greatful to have your help.thank you

Today, Linux is one of the.

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ASUS laptop F80L password check.

Sir,

Good day!!!! please help me, I really forgot what is my ASUS Laptop password check password, Hope you can give relief on this one.

Thanks

password break.

how to break the safe mode password with dos command ?

remove/skip/bypass bios password.

1.remove cmos battery from the motherboard
2.wait for 2 min
3.put it back again

remove/skip/bypass bios password.

don't forget to unplug ur pc and then turn it on

BIOS.

I see you guys are having fun with a school network...mmmm how i remember the days i started hacking in school. Anyways...you really wanna have some fun =P...install a free key logger on some computers on the network..or all computers using an automated script. Why free key logger? because most are detected by antivirus. So anyways, you will enjoy this trust me ;)...a lot of info, passwords, credit cards (be careful la!), private info etc...and NEVER forget...ALWAYS log in as someone else while checking logs and make sure you clear your trace!!! dont want sysadmin doing a checkup one day and finding a huge .log file ;).. Oh regarding the BIOS, my school used to have a chip that resets the settings to original..no matter what..even if you save a file on the desktop..the best way to hack that or a bios..is pull that shit out. :) lol dont need to stress on it. enjoy and happy hacking!!

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Keygen for Phoenix BIOS on Laptops
From Russia:)

I want master key for dos password.

dear sir

I have problem on my PC but I dont want reset my DOS password I want the masterkey if you have one

Thank you for your help

DOS MASTER KEY.

any one can help me , I want DOS Master Key to open any password

Dell Inspiron 700m BIOS Password Help!

Hello I forgot my BIOS password.
I do have Computer Administration Password and I can access laptop fine.
I want to change BIOS settings but can't.
Please help me,
is there a keygen or program to get BIOS master password or resset?
Don't want to open up laptop.
I have service tag # and express service code.

Any information would Help...

A. By Using the Motherboard.

A. By Using the Motherboard Jumper:

In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.

Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.

When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.

Make sure to turn the PC off before opening the cabinet and resetting the jumper.

B. By Using Software:

I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds

BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/

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CMOSPWD and Hardware removal on Laptop did not work.

I have a linux machine and I was able to get the cracks from CMOSPWD but the cracks did not work or I am not doing it write. I have a Phoenix bios which I have no idea what version. I am trying to run the password for the Configure Setup password so I can set the Admin password for the bios. Maybe I am not understanding the cracks here are the cracks:

Phoenix 1.00.09.AC0 (1994) []
Phoenix a486 1.03 err
Phoenix 1.04 [][ ]
Phoenix 1.10 A03 CRC pwd err
Phoenix 4 release 6 (User) []
Phoenix 4.0 release 6.0 []
Phoenix 4.05 rev 1.02.943 [][]
Phoenix 4.06 rev 1.13.1107 []
Phoenix A08, 1993 [N 2 ][1F ]

What does it mean by [] or [][ ]?

I also tried to get to the motherboard in my Dell D800 but I could not get it open to reset the pins.

Reset bios password service.

Use the MIT Reset bios service at www.mastermindit.biz

bios password recovery.

i have linux edubuntu someone can tellme how to do the trick or e-mail me pls ?

I used.

I used http://thepassworddoctor.com - Its the only website I could find which recovered my password instantly after payment, all of the other sites wanted 2 - 48 hours to recover it. Plus its the cheapest at only $20.

Brent

This is the initial stage and.

This is the initial stage and you definitely do not want to go wrong in this. Figure out the exact size of your shoe for USA and UK both. Have you planed out everything?

if i will remove cmos battery.

if i will remove cmos battery from the motherboard for 2 minutes then windows xp sp2 which i have to my pc will delete?

sorry for my english i'm.

sorry for my english i'm greek. please reply soon!!!

No.Just the bios.

No.Just the bios settings.They'll be back to factory defaults

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Any cheap password recover.

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