then how do i prove this is our laptp?
There is no way that you can prove to anyone (the forum helpers and moderators, etc.) that you are the true owner to the point that we will assist you. It is a forum rule. I know it doesn't seem fair but that is the way it is.
I'm not going to discuss it further, should you feel the need to prod further, be ready for a ban from a moderator. I'll also ask that you not re-post this as a different topic as it only causes a topic flood and prevents us from being able to help others in all fairness.