Clear bios password

Clear bios password

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How to use

Prepare flash drive

1.Extract the file. You will found folder dos, clnpwd.exe, and HP USB Disk Storage Format Tool.

2.Open folder Dos, extract Boot_dos.zip to folder clnpwd.

3.Install HP USB Disc Storage Format Tool. After finish install, you need to run this progam using administrator

4.THIS STEP NEED TO FORMAT YOUR USB STORAGE. MAKE SURE BACKUP YOUR DATA  FIRST.

At HP USB Format Tool, select your usb storage.
File system : FAT - for usb storage below 2GB
                    FAT32 - for usb storage more than 4gb
Format Option :
 Tick Quick Format and Create a DOS startup disk - using DOS system files located at : (browse folder boot_dos and select it.

After that, click START. After finish, close the program.
5.Open folder clnpwd, copy folder boot_dos and clnpwd.exe to your usb storage.
Let's do it
1.Plug-in usb storage to your acer laptop, turn on the laptop, tap F12 until appear Boot Menu.
Select USB. (If not in list, you need to unplug laptop hard disc. On laptop without harddisc, no need to tap F12)

2.If your usb storage got install properly, your laptop will boot dos program.

On dos program, type as below:

c:>clnpwd.exe   TAP ENTER

You will got :
ACER CLEAN PASSWORD UTILITY V1.0
Press 1-3 to clean any password shown as below:
    1. User Password
    2. Supervisor Password

3.Press 2 then enter