corrupted usb and my phone is logo loop can't enter recovery too HELP!!! topic

HI
i have a very big problem
After I setup cm12 ROM
i had no root access
Whatever I tried, but I couldn't find anything
Then I rebooted my device
And the device can't access recovery :(
And can't start up just the galaxy s3 logo over and over
The problem that my USB input is corrupted for 7 months now!!!
So is there any way that i can reset my device even a hard way or something
As computer Odin won't work as I can't connect my device to my PC
PLEASE I NEED HELP FROM PROS