I have 2 of this card in my tower. Gpu-z couldn't save the BIOS. There was some error. Following gridrunner video I managed to dump the BIOS.
Everything is working now.
Here's the BIOS:
https://www.dropbox.com/s/uiuh9qa4qin6vus/NVIDIA GeForce GTX 1060 6GB.dump?dl=0
Thank you gridrunner. I appreciate your effort and help.