I installed ubuntu 14.04 over my 13.10 but was trying to keep my data so I deleted all partitions (I didn't have a separate home directory) used manual partitioning and allocated 12 GB of my HD for installing the new OS. Everything went fine and 14.04 installed ok. But now I don't know how to recover the data in the free space that I left unpartitioned. I tried partitioning that space without erasing data and mounting it but when I opened it it was empty. How can get my data back?
Thank you
P.S. I have backed up my most important files but still it would save a lot of time if I could get the rest back.