what to do if u lost ur password to log in ?

This can be the biggest nightmare. you are unable to log in to your own computer.
Don't worry just boot ur pc in safe mode by pressing f8 at start up. then log in as administrator

then go to run . type cmd.
In the box that opens up just type net user your account name *
(note the space in between)
and hit enter . you will be asked for a new password enter what ever u like(note that he password u type will not be visible. confirm it and thats it)

If u dont have the administrator password then it is a lengthy process which i will give in my next post)