nable todetect the file in the partition

My wndowsNT system got corrupted after opening a mail in outlook Express which was carrying a virus.Later I installed the NT newly. Previously the NT was in the some other partition & I installed NT in C partition.Now it is detecting all the partition except one drive.I was having c;d;e;h & g(cdromdrive).
Pl help me to recover the data in the H partition.The partition are FAT file system previously i don’t remember what type of file system it was.