How to start my lenovo laptop if i forgot my passwor?

Process is too long to write here, i have a post on my blog that will explain how to bypass your password without software. I will provide the link here.

http://www.computers.robdasha.com/computers/bypass-windows-7-login-password-without-third-party-software/

You can reset the password of your windows by login your email id…
or you can watch the videos in youtube also…
otherwise you can format you laptop…

You will need to boot your system from a live cd… Use oph crack http://ophcrack.sourceforge.net/ its free… Download it burn to a disk and boot from it.it will crack your windows password