External hard disk is formatted (non-fast) speed very slow

Fast grid quickly ticked off the hook soon after the grid is very slow, is why?
10 minutes of only three percent (3%). Hard disk is 30G's.

Quick Grid is a large grid paper and a small piece of paper even if this rotten painting is still in there after the words written in the past this piece of rotten on a small piece of paper can not you read the
Slow Grid is a serious piece of paper to see if a position paper rotten do not where the sign so as not to write important documents, which go to