how to get nexus 7 out of boot loop

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version 5.02 So i rooted it using kingoroot, used the terminal method to replace kingo with SU then hit UPDATE SU BINARY. it gave me a message that if it isnt done in 5 minutes power off and retry. so i did. now its stuck on boot loop worst part is my usb settings i think are the reason my pc wont recognize the tablet. tried fac reset as well as cache wipe, so if anyone can help that would be great.