!!*-_corrupted xbox 360 game saves_-*!!

i desparatly need some help i lost all of my xbox 360 save games after switching xbox 260 consoles (elite -pro) after i sent nmy elite away for reparis my cousin lent me his pro console wile he was awya and after i get my HDD into the console my gamerprofile is gone so i investigate: i go to my settings then memory and to my surprise my gamerprofile is there but it says that it's corrupted but i dont have any of the yellow triangles with ''!'' marks in them (as told to look out for) on any of my save things so i phone xbox (after waithin for 2.5 hours) they tell me to delete my profile only, then to shut off my console and remove my HDD and then put it back in, after starting up my xbox console and then recover my gamerprofile but nothing happens so i ask him what to do now then he hanges up on me ( i know he hung up on me causee u heard the clicking noise a phone makes when you hangup) so then i make an account on this site and am hopeing to get some answers from some good people PLEASE HELP ME !!!