lost all data in all partition during installing dual OS win7 & ubuntu

[ronnie48]

hello every1
recently on my laptop during installing dual OS win7 & ubuntu , data from all partition was lost
i did'nt formated all partition then also data was viped ,how to recover all data from all partition.

 

[iceblitzed]

go to command prompt type diskmgmt.msc and post a picture.