You need create new GPT table and upload kernel, rootfs and BootConfig.
You can find all in my Google.drive folder: https://drive.google.com/folderview?id=0B_6OlQ_H0PxVRXF4aFpYS2dzMEE&usp=drive_web
* “Replace HDD.txt” - Is what you need + backup files. (Instruction is Russian. But you can just run commands)
if need - i can translate.