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Sometimes removing CMOS battery of laptop overnight will reset bios parameters.if this does not work you have two other options.Google hirens boot disc 15.1 on another computer and either make a bootable USB. Stick or burn to cd.start laptop in get into bios to change the boot sequence to either cd or USB.let the hirens boot cd run.it installs a small version on windows Xp on the ram and let's you then access the hdd to save all the files and pictures on to other media.it also has many tools including software to read all stored passwords on hdd and bios but I don't recommend this until you have retrieved all you want to save.hope this helps please vote?thankyou.
How Do I Change the Primary Master HDD User Password?
Prior to loading an operating system, your computer will first execute the BIOS program. The BIOS has an extra password feature, called the hard disk drive (HDD) user password, that can't be bypassed and provides a layer of defense to keep your data secure. To change an existing HDD user password you will have to load the BIOS menu, which is only accessible during the computer's operating system reboot procedure.
1. Close any windows that are currently open on your computer. Eject any discs inserted into the optical drive and disconnect any peripheral USB devices.
2. Open the "Start" menu and select "Shut Down." Turn on your computer once the operating system finishes shutting down.
3. Press the key your computer uses to load the BIOS menu. For example, with Dell computers tap "F2" when the "Press F2 for Setup" option appears. Press the "Access IBM" key on IBM laptops or "F10" on HP desktops.
4. Navigate to the BIOS tab that contains the HDD password option, which will usually be the "Security" tab. Some computer manufactures instead include the password option in the "Advanced" tab.
5. Scroll down to the option labeled either "User Password" or "BIOS lock" and hit "Enter." Type the current master HDD user password when the prompt appears and press "Enter."
6. Input a new HDD user password and hit "Enter" again. Navigate to the BIOS tab labeled "Exit" or something similar.
7. Move over to the "Save and Exit" entry and press "Enter." Select "Yes" and tap "Enter."
Hi Good day!! well i think your board didn't detect your HDD for some reason: 1. unexpected shutdown 2. cable not properly connect in HDD to motherboard 3. HDD have been damage because of improper shutdown.
here are the step to detect your HDD 1.pull out your cable from the HDD and then re-insert it make sure it its inserted properly. 2.go to CMOS and then in the "MAIN menu" check the primary master, primary slave, etc. in the primary master your HDD should be detect there. if not enter your primary master for auto detecting. if nothing happens and still not detected you must replace the cable of your HDD.
This is from a factory repair and maintenance manual for Acer Aspire Laptops. It may work for you.
Forgotten Hard Disk Password
When the user keys in the wrong password three times, an error message appears. The user must now reset
1. Make a note of the error code that is displayed with the error message.
2. Run unlock6.exe from the DOS prompt in the following format:
unlock6 XXXXX 00
(XXXXX = HDD password error code, 00 = CRC base - default is 00)
3. Select Upper case ACSII Code from the screen that appears. The HDD master password is displayed.
Make a note of this password.
4. Reset your system. When the Enter Primary Master HDD User Password prompt appears, enter the
password you made a note of in step 3.
Resetting a BIOS Password
The user can reset a BIOS password using the clnpwd.exe utiility.
1. Copy clnpwd.exe to a DOS boot up disk (or flash drive).
2. Boot your system in DOS mode.
3. Execute clnpwd.exe from the boot up disk (or flash drive).
4. Press 1 or 2 to reset the required password as shown on screen.
5. A confirmation message appears when the process is successful.