In our school, they gave us little computers to do our homework on and stuff like that (and we paid like 300 for them, and we get to keep them for life). Anyway, my sister found out my password and is clogging it up with pictures of her self (because she just annoys me for the sake of it). Anyway, since the school pretty much made it so you can't do anything like change passwords etc so can anyone tell me how to change the password? I've tried so many things. I've even managed to get into an Administrator account, but it still won't let me. Oh and by getting into the admin account I can use the Command prompt but I can't do very much on there. And the Maximum password age is 30, but I can't change it. Thanks in advance :)
P.S. Please don't say stuff about getting into trouble for changing the password. I can do it, and I don't see how they can punish us for doing it (and we paid for them so they are 100% ours)