Exclamation fast charge permanently broked micro-usb port

i installed a custom Rom http://forum.xda-developers.com/show....php?t=2617846
i enabled the fast charge and then after few days i disabled it
even after disabling this i cannot connect to the pc
i flashed the stockrom but still my pc cannot recognize my phone
my phone is xperia S
if anyone got this problem solved
please help