Remove Hddbios Password Utilities

This section provide you with removing HDD/BIOS method: Remove HDD Password:

When the user keys in the wrong password three times, the system reports the following error code to user.

To unlock the HDD password, perform the following steps: 1. Press Enter to display the Select Item screen.

Remove Hdd Password

2. Select Enter Unlock Password and press Enter. An Unlock Password displays.

  1. Make a note of the key, 76943488 in the example.
  2. Boot up the system and open a DOS prompt.
  3. Enter the UnlockHD.EXE command and input the key to create an unlock code. Make a note of the result, for example 46548274.
  4. Reboot and enter the BIOS by pressing F2 when prompted.
  5. Go to the Security menu and select Set Hdd Password (see "Security" on page 35).
Remove Hdd Password
  1. Enter the unlock code generated by UnlockHD.EXE as the current password, 46548274 in the example, and complete the New Password and Confirm fields to create a new HDD password.
  2. Save and exit the BIOS to complete the process.

Removing BIOS Passwords:

If you key in the wrong Supervisor Password three times, System Disabled displays on the screen. See the image below.

Password Bios Acer Aspire 4315

To reset the BIOS password, run BIOS_PW.EXE as follows:

  1. Key in bios_pw 14452 0
  2. Select one string from the list.

C:\W1 N DOWS\system3 2\cmii.exe




Hiul-uiuft Ulnduus KF EUc±-aiull 5.1 <C> Cupv^iylit 1780 2901 Microsoft

.2630] Corp.


G = \Docuiiioik Ls dud Get t iny ¿¿\Mij4>d =


D = \tliios uw 14452 fl I1, unlockt, _exe ul.kJ i July 199"?


D =

3. Reboot the system and key in the selected string (qjjg9vy, 07yqmjd etc.) for the BIOS user password.

Acer Aspire Bios 5720 2010

Cleaning BIOS Passwords

To clear the password, perform the following steps: 1. From a DOS prompt, Execute clnpwd.exe d:\Clnpwd>clnpwd flCFR Clean Password Utility VI.00 Press 1 or 2 to clean any password shown as below l.tJser Password 2.Supervisor Password

Clean User Password Successfully!

2. Press 1 or 2 to clean the desired password shown on the screen. The onscreen message determines whether the function is successful or not.

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  • marcus
    How to unlock hdd password acer 4315?
    9 years ago
  • almaz haile
    How to reset acer 4937g bios?
    8 years ago

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