HDD data lost

[sagunflo]

my hdd had only one drive drive c: and yesterday i format it using windows 7 dvd fresh install.
installation complete but my all data also formats ... can i recover my data using data recovery software.? or what can i do for my data recover?

 

[CountMike]

First you need to boot from another system or computer and than you can try some of programs from here: http://www.majorgeeks.com/mg/sortname/data_recovery_233b.html but chances are not very good and may take quite long time.
This http://www.majorgeeks.com/files/details/ariolic_complete_file_recovery.html is a simple program but none would recover overwritten data.