SOURCE: I HAVE ACER EXTENSA 5210
hi
i have acer extensa 5620Z laptop i forgot bios setup password how to remove the bios password
SOURCE: Reset Bios Password for Acer Aspire 7720Z Notebook - Ron M.
Here is the link to your service manual, when you click on it and bring it up...it is a pdf file so you'll need adobe or another pdf reader, go to page 40, that is the directions for resetting and removing the BIOS/hard drive password. Good luck
http://tim.id.au/laptops/acer/aspire%207730%207730g.pdf
SOURCE: Locked Laptop
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
the password.
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.
SOURCE: How to unlock hdd password on a acer laptop it's a acer aspire 7731z-5731
This work on some Acers you should give a try!... I BOOT THE LAPTOP WITH AN UNLOCKED HDD ENTER TO THE BIOS PUT A PASSWORD YOU CAN REMEMBER SAVE AND REBOOT THEN ENTER BIOS AGAIN AND ENTER THE OPTION TO CHANGE THE PASSWORD THIS TIME ENTER YOUR SAVED PASSWORD THEN LEAVE IT IN BLANK ONE TIME AND BEFORE COMFIRM SWAP THE HDD PUT THE LOCKED ONE IN THE BAY AND COMFIRM A BLANK PASSWORD AND VOALA!!! UNLOCKED.
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