help, Xperia C , recognizes sd card , but does not connect

hello , I have a Xperia C c2305 , and a few days over here , he started to give sd card damaged by put my sd card in any other device , and all work normally , I have done hard reset , wipe cache, ROM already installed , I have done everything occasionally it connects the sd card , but then disconnects then what to do ?

:(

from xda-developers http://ift.tt/1UEbcAX
via IFTTT