My old laptop was hacked and a virus put on it so I know how it must of felt. It was so bad I had to get myself a new laptop the one I use now, so I also understand the cost in money.
As for people not knowing if it's you or not, that's a case of trust. Your friends and family will know if it's you or not as they know your ways and how you talk, little things.
Gandra wrote: My computer was hacked and everything deleted. It has taken has cost me a lot of money getting it sorted and some people still do not believe I am who I say I am.
Really not sure how to prove it.