Restart your Acer computer, now you can see Windows Password Recovery is initializing, follow the instructions to reset your Acer password to blank without knowing the current password. Start the Acer computer and press 'F2' or 'Delete'to enter your BIOS setup to change your bios setup, so that it can boot from CD or USB device. Turn to your locked Acer computer insert the newly created disk to it. Prepare a blank CD/DVD or a 2 GB USB drive and insert it to that computer, run Windows Password Key and burn the ISO image file to disk. Restart the laptop by pressing the power button or pressing CTRL, ALT, and DEL keys. Find out Windows Password Recovery and download it. It depends on the windows your Acer is operating on. Log in any available computer which allows you to download. It will clear the password in a few sends after your enter the number of your account by presenting you a doc screen like below: Windows Password Recovery Software will be a great tool to unlock your Acer laptop without password. If you don't have a Acer password reset disk for that account, and you need to log into your computer to do your work immediately. Way 2: Break Password on Acer Laptop without Disk