• Software Description • Ongoing Research Project • Additional Resources Like any reasonably developed system, HDD and BIOS systems on laptops/notebooks need enormous protection. Systems that are using password generators in order to protect their security are using different algorithms. Algorithms can vary based on their difficulty level. Current generation laptops require good password generators in order to make their systems as safe as possible.

Majority of all laptops are using master passwords (which are unique in each laptop) in order to protect their systems. In order to penetrate the BIOS system one should find a way to disable BIOS passwords. Sometimes it can be very important for the laptop users to know the master passwords of their laptops. However the algorithms to figure out the password are not available to every user. When a laptop is locked with password, a checksum of that password is stored in FlashROM - this is a chip on the mainboard of the device which also contains the BIOS code and other settings, e.g. Memory timings.

For most brands, this checksum is displayed after entering an invalid password for the third time. The dramatic 'System Disabled' message is just scare tactics: when you remove all power from the laptop and reboot it, it will work just as before. From such a checksum (also called 'hash'), valid passwords can be found by means of brute-forcing. The bypass mechanisms of other vendors work by showing a number to the user from which a master password can be derived. This password is usually a sequence of numbers generated randomly. This software generates and calculates the Master Passwords of HDD and BIOS systems of ACER, Dell and Sony VAIO laptops according to their license numbers. The program takes the license numbers of those laptops(which are unique for every laptop) as an input and gives themaster codes of HDD and BIOS as an output.

Passwords: setting and removing (for BIOS. Setting the BIOS Password. Download and install the Toshiba utilities for your model from the Service and Support. BIOS Passwords - Bios setup- and. You can download the. Removal Programming BIOS Chip Type list CMOS Reset BIOS ID BIOS Passwords BIOS Software Tools 3. BIOS Password Removal for Laptops. Quick and easy way to bypass BIOS passwords on laptops. More details here. Enter your code. HP Probook/Elitebook BIOS Password Reset. I have a system/tool I have created that WILL help some of you reset and clear the Password/TPM on select HP Probook.

The algorithm was figured out by multiple testing and collecting data from different Internet sources. This software has been written. To try the beta version of the application you can download Password Recovert Tool 1.0.exe file from this repo. To read about the algorithms that different companies used for protecting their Master Passwords download Description.pdf file. I started researching the mechanics of BIOS and HDD password in current generation laptops in 2012.

My goal was to create a set of master password generators to disable Basic Input /Output System (BIOS) passwords. After understanging the general algorithm for generating Master Passwords I tried to test them from collected data from different Internet sources. Generating Master Passwords of different laptops is a constantly developing research field. I originally started my research after reading Dogbert's blog about Master Passwords of HDD and BIOS systems(look at the 'Technical Doc' section).

Some groups even suggest for paid services for cracking those passwords(you can find one website if you click on 'Tech Support' section). However my goal was to make this field of research more popular and through open-source development make widely advanced functional tools. For further suggestions and comments you can contact me at: rafamian at berkeley.edu. Special thanks to Junyu Wang, Parth Mehrotra, Alex Kumamoto for their feedbacks and suggestions. Fix-it driver repair. [Technical Doc] [Tech Support] [Project Readme] [Contributing] [![i1] ] [![i2] ] [![i3] ] [![i4] ] You are welcome to contribute to this research project.

Look at existing code to get a good feel for the patterns we use. Please do create a new issue on GitHub if you think you've found a bug though! If you have a more deeply-rooted problem with how the program is built or some of the stylistic decisions made in the code, it's best to create an issue before putting the effort into a pull request. The same goes for new features - it might be best to check the project's direction, existing pull requests, and currently open and closed issues first. Here's some examples of things you might want to make a pull request for: • New fixes, • New tests, • Bugfixes, • Inefficient blocks of code. • BIOS password and locked hard disk recovery - • Dogbert's blog - • How to remove, clear, reveal, unlock or reset BIOS security password.

Any amateur computer technician should know how to reset BIOS passwords that can be setup from within the BIOS because there are times when they need access to change some configuration options such as the boot order. If a password has been set, you cannot enter the BIOS or sometimes even boot the computer itself unless you know it, and this can be a real headache if nobody knows what the password is. It’s becoming increasingly common due to the amount of computers changing hands these days and previous owners have set a password and not passed on that information. The most common way that most of us know for resetting or clearing the BIOS password is to physically remove the power from the computer by disconnecting all cables and removing the battery from the motherboard for a few minutes. Another way is to short the clear CMOS jumper on the motherboard itself if one is present. These methods work because on most desktop and a few laptop motherboards, a battery is used to sustain the BIOS/CMOS settings. By cutting off the power, the BIOS/CMOS settings and password will be erased.

If for some reason you’re unable to reset the computer’s BIOS security password by removing the battery or clearing the CMOS jumper, and you don’t know what the password is, here are several options which you can try out to clear it. Generic Backdoor Default Passwords Before using any tools that try to reset or make changes to your BIOS, it’s worth seeing if any of the well known backdoor or default passwords that have been around for some time work. Click on the link below to view the list, the passwords are case sensitive.

If you can Boot into Windows CMOS De-Animator is an up to date tool compared to the majority of BIOS hacking/resetting tools out there, and can reset the BIOS password from within Windows. The latest version 2 executable of CMOS De-Animator is compatible with both 32-bit and 64-bit operating systems. All you need to do is run the tool as administrator (right click -> “Run as administrator”) and click the Proceed button followed by restarting the computer. When your computer boots up, you should see a CMOS checksum error where it allows you to access the BIOS without a password. CMOS De-Animator works by invalidating the checksum of your system’s CMOS memory which resets all settings to default and clears any stored BIOS passwords upon reboot. CMOS De-Animator also has a basic backup and restore option to give you that extra little bit of added security, the file will be stored with a.dea extension.

Do take note of the authors warnings about the problematic nature of using the program on laptops and that usage of CMOS De-Animator is at your own risk. Because of its nature the program will sometimes trigger false positives in antivirus software and on sites like Virus Total. If you Cannot Boot From Hard Drive or CD Although disconnecting the power and removing the battery from the motherboard on desktop computers for a few minutes should remove the password, this is much less likely to work on laptops, but it’s still possible on some older models.

For extra security the passwords for laptops are usually stored on a separate EEPROM chip which doesn’t rely on the BIOS battery and is unaffected by cutting the power. If you enter the wrong password a few times on a laptop, there will be a message that the laptop is locked. You will be presented with something like a “System Disabled” or “Password check failed. System Halted” message with some numbers. If this message appears while entering the BIOS you can simply power off and on the computer to remove it and try again. Take note of the number because it’s a valuable piece of information and required to generate the BIOS backdoor password to get back into the laptop.

All you need to do is to have the number to hand and then visit the webpage. This website has been setup to let you easily get the possible passwords based on the number entered, simply enter it and press the button. Then look at the results and note all the passwords which are close to your model of laptop. Try the codes on the locked BIOS message to see if it works, depending on laptop models you may need to press Enter or Ctrl+Enter after entering the code.

The codes used are based on the work of “Dogbert” who’s done a lot of research and created a number of small utilities and also Python scripts for unlocking several different brands of laptop. If the website above or its codes don’t work, visit where you will be able to find more details about your laptop brand and download a separate master password utility for it. To use one of the programs, simply download the correct one for your laptop and run it, then type in the number and hit enter. The master password will be displayed for you to try and unlock the computer. You have to run the master password tool on a computer that can boot into Windows and has.NET installed. If you don’t know which tool to use, it’s safe to try all of them until you find the one that matches your laptop. There are a number of other reset BIOS password solutions on page 2.

My understanding of your problem is you have a user account you cannot access and your partitions are not setup properly. This has nothing to do with CMOS, however.

Using a boot disk for another operating system, backup all of your personal files, reinstall windows and then restore your personal files. There are several tricks you can use to gain user access to the system, the most notable being the sticky keys method. If sticky keys is enabled on your machine this should work. First, go to the system32 directory in the windows system files, from an OS boot disk where you can access the windows drive. You have to rename the sethc.exe to something else (Dont delete it) and then make a copy of cmd.exe and rename it to sethc.exe.

Once this is done boot into windows and press shift 5 times to bring up a console, where you can use the net user command to create a new user or change the password.