To recollect is 'succeed in remembering'.A thing which we have almost forgotten is recollected.The remember is to retain in memory,'not to forget'.
1. He recollected the half-forgotten dimmemories of his childhood.
2. I don't recollect having seen her before.
1. I cannot but remember such things were,that were most precious to me.
2. I remember watching the first men landing on the moon.