Hardware experts help (uegent)

[almuez]

Assalam-o-alaikum

i have 160gb hard drive, and four partitions, drives c & d works properly, but drives e & f does not show the data, they gives the error “ invalid serial number” kindly help me how can i get my data back. Cos i don’t want to loose my data… i used the software “get data back” but all in vain

thanks in advance

[*Black*Beauty*]

kia ap erroe screen shots day skte ho.kindly