Messing with the computer's BIOS is the most basic way to kick-start your rig. In other words, the Basic Input Output System (BIOS) tells the hardware to load the software (meaning your OS like Windows or Linux) and communicate with all the peripherals attached to it. The BIOS is also the first thing you need to check if the OS isn't loading for some reason.

Only for education purpose we are not responsible for any loss or damages we are providing paid bios service. BIOS Password Removal for Laptops. Quick and easy way to bypass BIOS passwords on laptops. BIOS Master Password Generator for Laptops. Home; Enter your code. Try one of the following codes: Vendor Type Hash Code/Serial example; Compaq: 5 decimal digits: 12345: Dell: serial number: 1234567-595B 1234567-D35B 1234567-2A7B 1234567-1D3B 1234567-1F-6FF1: Fujitsu-Siemens: 5. Beat the password in one minute. Save your time and leave your problem to us. We will be delighted to solve it for you. Our company works on the computer market successfully for over 10 years. From the very beginning, we have been helping removing notebook BIOS passwords. We give you guarantee of effectiveness and speed of our services.

If your machine refuses to start up properly, the BIOS could be the culprit. It's sneaky like that. This guide will tell you how to enter and reset it to the factory defaults to fix those problems.

Don't clear the CMOS of your Notebook, because it will not reset any BIOS-Boot password or BIOS-Setup password!Notebooks have better theft protections like an additional (tiny, hidden) IC-integrated module that contains the password. Some manufacturers store the password on a hidden hard disk sector. So, the only solution is a direct contact to the manufacturer's support, where they proof that.

Keep in mind that the BIOS can also act as a backdoor to your system so it might be wise to lock it with a password to prevent any unauthorized entry into your machine. It may seem relatively simple but this minor security deterrent can prevent a malicious third party with a bootable Windows drive stick or a Linux Live CD from screwing with your Windows login password.

What if I set up a BIOS password and I forgot it?

Have no fear, it can be reset with the right knowledge. Just follow the steps outlined in this article.

How to reset your BIOS Password

Your BIOS password can be easily reset by opening your computer or laptop and removing the CMOS battery. This will cut off BIOS' energy supply and everything in the memory will be deleted. It is relatively simple on a desktop computer but might be a bit more difficult on your Dell laptop. However, there is another method which may be more useful to laptop users.

This method utilizes the backdoors built by manufacturers like Dell. You can find the passwords for most vendors online. Also, a blogger calling himself Dogbert has created a website that can give your vendor password. Here's what you have to do:

1. Start up your Dell laptop and enter the wrong password three or more times.
2. You'll get a message with an alert that will inform you that your system has been disabled or that the password failed.
3. The message will also include a number. The number is important as it will help you generate the BIOS backdoor password later.
4. Go to the BIOS Master Password Generator page on another computer or on your smartphone.
5. Enter the number that was displayed on the BIOS screen.
6. Press the 'Get password' button to see a list of computer models and passwords.
7. Use the password that corresponds to your Dell laptop.
8. Reboot your machine again and go to the BIOS password screen and enter this password.

Note: you might be forced to reset the password through the hardware in some case. Dogbert warns that some computers use a different system that needs a hardware reset, most prominently IBM and Lenovo.

BIOS Master- and Setup-Passwords

Delete BIOS-Passwords on PC-Mainboards
Delete BIOS-Passwords on Notebooks
BIOS-Setup-Password via Software
BIOS Master-Passwords
Delete BIOS-Boot Password
Delete BIOS-Setup Password
Keystrokes to Enter the BIOS-Setup

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Clear the CMOS of your PC-Mainboard if you want to reset the BIOS-Boot password or BIOS-Setup password:

CMOS-Reset instructions for PC-Mainboards and Notebooks
Delete BIOS-Boot Password
Delete BIOS-Setup Password

Don't clear the CMOS of your Notebook, because it will not reset any BIOS-Boot password or BIOS-Setup password! Notebooks have better theft protections like an additional (tiny, hidden) IC-integrated module that contains the password. Some manufacturers store the password on a hidden hard disk sector. So, the only solution is a direct contact to the manufacturer's support, where they proof that you are the legal owner of the notebook. Depending on the manufacturer, you have to send him the serial number of the notebook and you'll get (in many cases free of charge) an individual master password to unlock the notebook. Some other manufacturers even offer only the replacement of the notebook's mainboard - which will be really expensive!

You can download the free, small program ctbios15.zip from the german Computermagazine c't. Ctbios shows the password and some other interesting things about your BIOS. (great tip!)

Lost your BIOS-Setup password or BIOS-Boot password? You can try one of the following Master passwords:

If you have forgotten your BIOS Boot-Password, have a look into your mainboard manual, or after opening your PC, onto your mainboard. Many mainboards have a JUMPER or SWITCH to clear the CMOS. This Jumper is often named like: 'RTC_CLEAR' , 'CLEAR CMOS' , 'CLRCMOS' , 'CLRCMS'. His position is often near by the mainboard battery.

Attention: All hardware settings (harddisk-, bootsequence,-...settings) will be deleted! At least, you have to re-insert them again.

See: CMOS-Reset instructions for PC-Mainboards and Notebooks

If you can't enter the Setup of your BIOS, you need a DOS-Bootdisk and one of the following MS-DOS Files:

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Start the file an insert the sourcecode line by line.

Different keystrokes to enter the BIOS-Setup:

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