If all you can say is fast slow, that doesn't mean anything to us. U need to post, what speed u paying for? what mbits are u getting? did it EVER worked? new laptop? other device/people on the same WIFI work? what have you done, in term of diagnostic, so far? what have you done to the laptop before worked, now it doesn't? Fess up all your sins my son, 'cuz we can tell a thousand miles away.