How to Easily Reset BIOS Password on Laptop

There are many options for protecting data on a computer or laptop. You can encrypt files and folders. partitions and disks. password protect your computer with an account and lock your laptop with a BIOS password. Most users choose to add a strong password to their user accounts so that others cannot access their data. A Windows login password is a good idea, but it can’t prevent you from booting to the login screen and using workarounds, special programs to find out the password. It is even more important if someone manages to boot from a Linux Live CD or Windows boot disk and instantly copy all the data to an external drive.

Since all of the above passwords can be reset and learned by workarounds, some users prefer to use the BIOS password. The BIOS password is relatively secure than the user account password, as no one can boot from the boot disk or until the Windows logon is loaded without entering the correct BIOS password.

Again, the BIOS password can be reset by removing the motherboard CMOS battery in your computer, but then it is not an easy job, especially on HP, dell, acer, Asus, lenovo, Samsung, toshiba brand laptops and tablets. Therefore, we will analyze how to find out or reset the BIOS password on laptops and tablets, if you have forgotten it and do not remember. Wondering how it works? A unique master password is set in the BIOS from the OEM. Using this master password, you can reset the password and gain access to the BIOS.

Reset BIOS password

This method should work on most modern laptops and computers. I tried on Acer laptop and everything worked fine.

  • Power on laptop, computer and enter BIOS password several times until you are locked.
  • Now you should immediately see the technical code or number, as in the picture below, or select Enter Unlock Password (enter the password to unlock). In other BIOS versions, the code may be designated differently (System Disbled [65328] Service Tag [84dn8c9]), but the essence remains the same.
  • Write down all the codes on a piece of paper or on your mobile phone.
  • On your smartphone or other laptop, visit the BIOS passwords website, enter the code you saw on the BIOS screen, and then click the Get password button. Knowing the laptop manufacturer, write down the password, if there are several of them, then write down several one by one.
  • Now go again before entering the password in the BIOS and enter the code that you wrote down already from the site. Then you can go to the BIOS settings and remove or change the password by entering the same code.

I recently password-protected an old laptop from 2005. The BenQ brand, which is already very difficult to find on the Internet, and information about it, especially about the BIOS. Used one way that helped me.

You need to run the command line, but how to do it if there is a password? What do you need?

  • If you can boot to the desktop, then run the command line as administrator.
  • You can create a Windows installation flash drive and run CMD.
  • You can install FreeDOS on the flash drive itself.

We use the debug command, which will damage some bytes of the protected checksum of the CMOS RAM area. This is a risky way, but there was no way out and the laptop was not sorry, but everything went well. On next boot, CMOS usually resets its default settings. Do not forget to change the time, date and year if they fly off.

  • debug
  • o 70 2E
  • o 71 FF
  • quit

How to disable the BIOS password on a laptop (PC) if you cannot boot from a hard drive or CD

How to remove BIOS password? Turning off the power and removing the battery from the desktop motherboard for a few minutes should clear the BIOS password. But this is much less likely to work on a laptop. For added security, laptop BIOS passwords are usually stored on a separate EEPROM chip. which does not depend on the BIOS battery.

If you have entered the wrong BIOS password on the laptop several times. a message will appear on the screen stating that the laptop is locked. You will see something like “System Disabled” or “Password check failed. System Halted ”and some numbers. If this message appears when entering BIOS. you can simply turn off the power and then try to log in again. Pay attention to the number because it is valuable information. It is required to generate a BIOS backdoor password.

All you need to do is write down the number that appears and then go to the BIOS Master Password Generator web page. This site is designed to retrieve possible passwords based on the entered number. Just enter it and press the button. Then check your results and mark any passwords that are close to your laptop model.

reset, bios, password, laptop

Before removing the password from the BIOS on the computer, try the received codes for the locked BIOS. to check if it works. Depending on the laptop model, after entering the code, you may need to press Enter or Ctrl Enter. The codes used are based on the work of the specialist “Dogbert”, who has done a lot of research and created a number of small utilities, as well as Python scripts for unlocking various laptop models.

If the codes obtained from this site did not work for you, visit Dogbert’s blog. where you can find more information about your laptop brand and download a separate utility for it. To use one of the programs, download the utility and run it, then enter the number and press Enter. You will receive a master password with which you can try to unlock your computer.

You need to run a master password on a computer that can boot under Windows. and on which.NET is installed. If you don’t know which tool to use, you can try everything until you find the one that matches your laptop.

PC CMOS Cleaner

Designed to recover, delete, decrypt and display user or super user password stored in BIOS. regardless of the brand of the device. The list of supported BIOS includes Award. American Megatrends (AMI). Compaq. Phoenix. Samsung. IBM. Compaq. DTK. Thinkpad. Sony. Toshiba. So there is a good chance that your BIOS is included in this list. PC CMOS Cleaner is a bootable Linux CD. so no need to worry about operating system compatibility.

When launched, the program will first try to decrypt and display a list of possible passwords. If unsuccessful, you can remove the password using two options, the second of which will completely reset the BIOS settings to default values ​​- you will have to reconfigure them later.

CmosPwd by CGSecurity

It is one of the most modern and popular CMOS decryption tools. although it was released quite a long time ago. in 2007. CmosPwd decrypts the password stored in CMOS. and displays it. The following BIOSes are supported:

  • AMI WinBIOS 2.5;
  • Award 4.5x / 4.6x / 6.0;
  • Compaq (1992);
  • Compaq (new version);
  • IBM (PS / 2, Activa, Thinkpad);
  • Packard Bell;
  • Phoenix 1.00.09.AC0 (1994), a486 1.03, 1.04, 1.10 A03, 4.05 rev 1.02.943, 4.06 rev 1.13.1107;
  • Phoenix 4 release 6 (User);
  • Gateway Solo. Phoenix 4.0 release 6;
  • Toshiba;
  • Zenith AMI.

Using CmosPwd, you can also remove the password from the BIOS on a Lenovo laptop. back up, restore, erase or even completely clear CMOS. When loading, select item 9. Next- 2. BIOS / CMOS Tools- 2. BIOS Cracker 5.0 (cmospwd). There is also a version. which can be run from Windows.

How to remove password from BIOS if you can boot Windows

CMOS De-Animator is a more modern instrument than most instruments. It can reset BIOS password from Windows. Latest CMOS De-Animator 2 is compatible with both 32-bit and 64-bit operating systems.

All you need to do is run the tool as an administrator (right-click and select the “Run as administrator” menu item) and click the “Continue” button, and then restart your computer. When the PC boots up, you will see a CMOS checksum error and will be able to access the BIOS without a password. The principle of CMOS De-Animator is that it invalidates the checksum of the CMOS memory of the system. This resets all settings to default values ​​and clears all stored BIOS passwords.

CMOS De-Animator includes a backup and restore function. This provides an additional guarantee of safety. If something goes wrong when resetting passwords, the data is saved to a file with the.dea extension. The authors of the program warn about possible problems when using it on laptops. The program sometimes causes erroneous antivirus software alerts and warnings on sites such as Virus Total.

How to reset the BIOS password?

The most common way to reset the BIOS password. which most of us know is to physically power down the computer by disconnecting all cables and removing the battery from the motherboard for a few minutes.

Another way to remove the password from the BIOS is to switch the CMOS jumper on the motherboard itself, if it is present. These methods work because most PC motherboards and some laptop motherboards use a battery to maintain BIOS / CMOS settings. If you turn off the power, BIOS / CMOS settings and password will be cleared.

If for some reason you are unable to reset your computer BIOS security password by removing the battery or switching the CMOS jumper. here are some options to try.

How to unlock BIOS if you can boot from CD / USB

When Windows does not boot properly and there is no way to enter BIOS. to change the boot order, you might be lucky and boot from CD or USB is already set with a higher priority. In this case, you need to insert a CD or flash drive and the device will boot from them automatically. Booting from CD or USB may also be set to a lower priority than hard drives. In this case, you will need to temporarily disconnect the hard drive.

How else to remove the password through the BIOS? If you have access to Windows. another solution to allow booting from CD / USB is a tool called Plop Boot Manager. It makes it possible to boot from these media even if the BIOS does not support this function.

Here are some tools to use when booting from CD or USB flash drive.

Default backdoor passwords

Before using tools that try to reset or make changes to the BIOS. it’s worth seeing if any of the known backdoors or default passwords are working. Click on the link below to see a list of all known backdoor passwords. Before removing the password from the BIOS on a laptop, please note that passwords are case sensitive.

How to remove a password from a BIOS programmatically

There is a special utility. CMOSPWD, which will help you reset your password from under Windows. This will work, of course, if you have access to the system, remember the BIOS password, but don’t want to go in there to erase it. Or you don’t know how.

Download the utility from here. Open and then do this: hold down the SHIFT key, right-click, then select the option “Open command window”.

The command line will start, where you can see what commands are available in this utility. To do this, enter the following. cmospwd_win.exe /?

To reset the BIOS password, enter the following command:

To confirm the clear CMOS action, enter the number 1 and press Enter.

The program can be easily used not only in Windows, but also from a bootable DOS flash drive. Initially, it needs to be placed in the image.

  • HP BIOS how to log into laptop and update
  • How to enter BIOS on a computer or laptop

Using the PC CMOS Cleaner Utility

There are more than one utility to clear the BIOS password. Now I will explain how to use the PC CMOS Cleaner tool, which can easily reset the CMOS BIOS password, restore the settings to the factory state.

How To Remove A Forgotten Bios Password From A Laptop!

The brand of the motherboard or laptop is not at all important, since the program supports almost all BIOS versions. There is also support for 32x and 64x processors.


This section contains exit options. In most cases, they do not differ by

  • Exit Saving Changes. exit BIOS with saving settings;
  • Exit Discarding Changes. exit BIOS without saving settings;
  • Load Setup Defaults. reset settings. (Read: How to reset BIOS settings to factory settings?)

HP BIOS Settings

In the BIOS settings window, first of all, we see the main menu. The section is called Main.

How to reset BIOS password of laptop and computer

Recently, many users are thinking about the security of their data on a computer. In this case, they set passwords not only for the system itself when it is turned on, but also for folders, encrypt disks and enable protection even in the BIOS.

BIOS is the basic input / output system. Low-level software that is stored on a chip on the motherboard. When the PC is turned on, the BIOS initially checks all components of the computer for serviceability and emits a beep. If all hardware parts of the PC are in good working order, then the bootloader of the operating system starts.

Thus, the BIOS allows you to get full access to your hardware and configure the parameters as you like. The meaning of setting a password, of course, is available, but what if you forgot it?

How to remove BIOS password using a jumper

Note that in addition to resetting the BIOS password using a battery on the motherboard, there is another method. It consists in switching jumpers again on the motherboard. Here are the instructions for use:

  • Power off the computer completely, disconnect the network cable.
  • A dedicated Clear CMOS switch is located near the CMOS memory battery.
  • Remove the jumper (jumper) and move to position 2.
  • Turn on your computer and make sure all BIOS settings and password are no longer prompted.

How to Remove Bios Password on Laptop (Easy Tutorial)

If you cannot find the jumper on the board, then take a closer look at the inscriptions next to the elements. The jumper is usually denoted as follows: CLR_CMOS, PWD, CLEAR CMOS, PASSWORD, CLR, CLEARPWD, JCMOS1, CLEAR RTC, PASSWD, PSWD and similar.

There is also a reset button that you just need to press. But more often than not, she is absent.

System Configuration

This section contains the main parameters, where we set the boot priority, support for virtualization, card reader and other parameters.

  • Language. setting the language;
  • Virtualization technology. the inclusion of virtualization technology, which allows you to use the installation of 64-bit systems and virtual machines (Intel Virtualization Technology what is it);
  • Card Reader Power Saving. enable or disable the card reader for connecting SD cards to the laptop;
  • Fan Always On. the laptop cooler is always on (it is not recommended to disable it);
  • Action Keys Mode. disable or enable the FN key on a laptop;
  • Boot Option. contains options for enabling UEFI or Legacy BIOS, as well as setting the boot order of devices.

How to remove a user password in an administrator account

Self-help methods of unlocking a laptop imply the option of removing the user’s password in the administrator account. This is one of the safest and easiest methods to solve the blocking problem. If you forgot your password, what to do:

  • Press the ctrlaltdelete key combination at the same time (2 times).
  • When you open an auxiliary window, you will need to find the fields “User” and “Password”.
  • In the first line, you need to enter the word “Administrator”, the password column will need to be left blank.
  • Press Enter.
  • Go to control panel.
  • Select user account.
  • Go to the profile and delete the existing password. To unlock the laptop, you can also put a new combination of numbers.

How to set and use a new password is a question of many users. After changing the settings, you need to restart the device.

Reference! When the login window is displayed, the user will need to enter a new combination of numbers.

How to check if the script works?

To check if the script works, copy this combination into the “Code” field: 39854365.

The script should return a response in the form of a master password for a Fujitsu-Siemens laptop: 06211328.

Attention! In order for the form for generating master passwords to work correctly, you must disable the ad and script blocker.

Using the Master Password Generator, you can recover the BIOS of the following laptop brands

The master password for notebooks running Phoenix BIOS is generated from a specific manufacturer’s model serial number.

Reset BIOS password on laptop. System Disable

BIOS Password Recovery Generator will help to reset the BIOS password (if System Disable (d)) on the laptop. Phoenix BIOS master password generator for notebooks Acer, Dell, HP, MSI, Compaq, Fujitsu-Siemens, Sony, Samsung.

Purpose of BIOS Password Recovery Generator

It happens that the password set to enter the laptop BIOS for some reason is forgotten by the user or lost forever. You can generate a BIOS master password and reset all settings to Default using the BIOS Password Recovery Generator utility.

  • In a standard situation, it is quite difficult to find a ready-made laptop BIOS reset password on the Internet or find its BIOS.
  • Every 3 attempts, the laptop is locked (System Disable (d)) when you try to enter the next combination of the master password.
  • A message is displayed that the system is locked with a proposal in square brackets to enter a five-eight-digit code.

To reset the BIOS password on a laptop, a so-called master password is used, which allows you to remove the lock. And continue working on the laptop. On this page you can use the master password generator to reset user-set passwords in laptops running on Phoenix BIOS.

You can also reset the BIOS password by unsoldering the corresponding microcircuit and flashing it with a similar original BIOS version without a password.

How to use the BIOS master password generator?

Tags BIOS, laptop, repair

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