Location HELP!!! My KF won't show up on my PC and I tried everything!

So the issue is that I was prepared to bring my KF back to stock. Then i accedentally wiped EVERYTHING, using TWRP, and now i can't re-install a rom,install stock, or get it to show up on the PC (windows 7) to add a rom to the SD card so i can flash that! HELP!!!