iPhone not detected on ANY PC

i've been searching hours , i've found couple people same problem no solutions here's me trying.....
iphone 4 32gb 5.0.1 ios jb redsn0w 9.105bc not being detected on 2 different pcs, 3 different chords, charges through wall plug. if go dfu mode, itunes sees , says need restore. because of told firmware got corrupted. (fingers crossed) there anyway fix
window 7 itunes 10.5

 

if don't response here there forum dedicated iphone hacks might more play: http://forums.macrumors.com/forumdisplay.php?f=105

 

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