Files in BitComet disappear, what should I do? URGENT

bghippo

Since my computer has something wrong, I need to start the computer again, but all the files in BitComet disappeared, but I can still see them in my hard drive (but not yet completed).
) e3 ^, F; `- V  H1 N% K) ^) l' j% c  N% c: r7 _8 ^1 r
Then I went to re-download again, it would start from 0%.  What should I do?  How can I put them from hard drive into Bitcomet to continue downloading and not from the beginning 0%?5.39.217.76% F# l( c& h9 B6 w( H- T. D

* O: Z5 N8 |4 L7 ?0 J+ {/ m* W& N# g5 mThanks.