How To Unlock Bios Password In Laptop

13.10.2020by

Mar 23, 2020  As we know their are many method to remove Bios Suppervisor password, like Clear CMOS Jumper or Dipswitch Settings, Remove Internal CMOS Battery,bios master password generator for laptops, Using MS DOS Command,Backdoor Password By Manufacturer, Bios cracker software and other, but this method is some different and tricky, in this guide we will understand How to Disable supervisor password. Mar 12, 2018  Boot while while pressing/holding F2 to get into the BIOS / UEFI When the enter password window appears then press Alt + r or Alt Gr +r 'Enter rescue password' window will appear, with YYYY-MM-DD Now take a note of that date and go to www.biosbug.com. Tips: If you forgot Windows password to login your Dell laptop, follow this article to unlock your Dell laptop without password efficiently. 5 tips to reset password on Dell laptop: Tip 1: Reset/remove BIOS password on Dell laptop normally Tip 2: Reset BIOS password on Dell laptop with Windows debugging.

Have you forgotten BIOS password and unable got into CMOS settings? Have you been asking for password when every time you got into BIOS? Don't worry, the top three efficient ways to help you fix the problem. Let's walk you through how to remove or unlock BIOS password in Dell laptop.

Way 1: Remove BIOS Password Dell Laptop by Command Prompt

Step 1: Hit Windows + R key to open the Run dialog. Type cmd and click on OK.

Step 2: Type the command lines below and press Enter after line.

DEBUG

-O 70 10

-O 71 10

-Q

Note: The 64-bit operation system of Windows 7, 8, 10, it doesn't support the DEBUG command. You can download a software DOSBox and debug.exe to your computer.

How
  1. 1. Install DOSBox to a volume except for Drive C.
  2. 2. Put debug.exe in E:/TASM.
  3. 3. Locate to install file of DOSBox and double-click on DOSBox 0.74 Options.bat. When it opens in a Notepad, copy the following lines and paste to the end of the text.

MOUNT C E:TASM

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C:

debug

  1. 4. Run the DOSBox. Thus you are in the debug mode to run the rest of command above.

Step 3: Restart your PC, BIOS password would remove.

Way 2: Unlock BIOS Password after Forgot by COMS Discharge

Step 1: Power off Dell laptop and unplug the power cable and the battery.

Step 2: Twist all the screws off and remove the cover. Remove the cell of CMOS for three minutes to unlock BIOS password.

Way 3: Reset BIOS Password Dell laptop by CMOS Jumper

Near the cell of motherboard, you can see it is a three pins fan connector. When the jumper cap connects to pin 1 and pin 2, it means Normal status. When the jumper cap connects to pin 2 and pin 3, it means Clear CMOS.

Step 1: Unplug the jumper cap and connect it to pin 2 and pin 3 for several seconds.

Step 2: Reconnect the jumper cap to pin 1 and pin 2. Restart your Dell laptop after removing BIOS password.

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Note

The steps below are for a laptop computer. For a desktop computer, see: How to clear an unknown BIOS or CMOS password.

How To Unlock Bios Password In Laptop Screen

A laptop BIOS password is more secure than a traditional desktop to help protect the data if it was stolen. If you are the original owner of the laptop, we highly recommend contacting the manufacturer of the laptop. Companies such as Dell, Lenovo, and Toshiba can reset the password if you are the original owner using the Service Tag, disk, or give you exact steps for your laptop.

If you're not the original owner of the laptop, there are some ways to bypass the password depending on the manufacturer.

5 to 8 character code on System Disabled screen

You can attempt to get a 5 to 8 character code from the computer, which may be usable to clear the BIOS password.

  1. As the computer is booting, press F1, F2, or Del to enter BIOS setup.
  1. In the CMOS setup, when prompted for a password, guess three times until you get the code. If, after entering the wrong password three times, the computer displays a 5 to 8 character code, as shown in the picture, continue to the next step.
  2. Write down the code and visit Dogbert's BIOS password backdoors scripts page to download Python and the free Python scripts to clear many of these types of passwords.
Note

If no code is displayed, try the next suggested solution.

Clear by dip switches, jumpers, jumping BIOS, or replacing BIOS

If the above suggestions do not apply to your laptop, you need to open the laptop and clear the password using dip switches or jumpers. You may also be able to jump the BIOS using a paperclip, by soldering a wire to pins on the BIOS, or replacing the BIOS chip.

The location of dip switches or jumpers on the motherboard depends on the brand and model of your laptop. Check the technical documentation for your laptop and contact the manufacturer to determine which motherboard is in your laptop. Search the Internet for the motherboard model manual with a diagram of where components are located, including the dip switches or jumpers to reset BIOS.

Which step you take depends on the manufacturer and model of your laptop computer. For most end users, we highly recommend having the laptop serviced by a qualified technician who can properly disassemble a laptop.

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Contact laptop manufacturer

If the above steps do not help remove the CMOS password for your laptop, we suggest contacting the laptop manufacturer. Many manufacturers have strict policies in place to help protect their customers' laptops and only they have the information on how to clear CMOS passwords.

Additional information

How To Unlock Bios Password In Laptop Computer

  • See the CMOS definition for related links and information.
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