Acer aspire 1690, what is HDD password to start laptop

Try these WEB sites, you will need a computer with Internet access.
HARD DRIVE PASSWORD UNLOCKING - Purchase
http://www.hddunlock.com/purchase/ A-FF HDD Unlock Wizard (HDD Password unlocking - Free)
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All acer 1690 drivers


http://www.driverstock.com/Acer-Aspire-1690-driver-download/4-21-12844/index.html

To delete the Acer Aspire Notebook HDD user password, go to http://www.unlockbiosrecovery.com/Unlock_Acer_HDD.php The link above will show you to enter 3 wrong password and then copy down the 5 or 8 digit code it displays with Disabled message. Purchase the Acer HDD master password from the link above and submit the code and your model and they will email you the bios master password to unlock your Acer HDD in an hour.. They guarantee it to work or your money back and I have used them successfully dozens of times, saving me a ton of time and money.

Here is a post about how to unlock Acer Aspire with Windows Password Recovery Tool 3.0, you need it. Don't waste time at unnecessary help.
http://www.windowspasswordsrecovery.com/lost-acer-windows7-password.htm

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.

open safemode with command prompt(use the built in administrator account). Type (without the quotation marks) "Net user (Enter username here) (Enter new password here)"

Hello,

Contact with notebook repairing engineer. Might be coz of some short circuit, BIOS corruption or any malfunction of the hardware.


Regards;
Hassan

Similar problem
started a few days back

Is the error message coming before bios starts to load XP from harddisk, or after?

If it is coming after XP starts then it may be driver issue.

If it is coming before XP, then it may be a question of incorrect bios for the hardware in your laptop.