Is this BIOS password or Windows Password? BIOS Password can be cleared by CMOS reset, but you would have to crack it open to get to CMOS battery. Link below is a tutorial for Bios Top 3 methods to crack bios password! http://www.blog.windowspasswordsrecovery.com/top-3-methods-to-crack-bios-password/ Windows Password can be force changed with a bootable USB thumb drive with a Windows Password Recovery Tool using a Linux Distro. I am guessing you dont have a CD or DVD drive, so you will have to create a bootable USB drive with the password reset tool. OR reinstall Windows via External CD or DVD Drive and software or create a bootable thumb drive of say 8GB in size with the OEM disk copied to that drive if it allows with piracy protection maybe not allowing OEM CD or DVD to be copied to another drive. Link below is a reset tool for Windows http://www.windowspasswordsrecovery.com

You can create a Windows password reset disk to reset your password. Follow this 5 easy steps: 1. Enter a computer that can link to Internet. Download Windows Password Reset Tool from http://www.windowspasswordreset.net and install the software on that computer. 2. Run the software and create windows password reset disk by follow the instructions. 3. Eject the created CD/DVD and insert it into the locked computer. 4. Reboot the locked computer (it's necessary for you to change your locked computer's BIOS setting to make it boot from CD drive) and then follow the instructions to reset Account password. 5. Now login Windows and set a new password.