iPod classic corrupted.

Hello, humans. So, I'm here because my iPod Classic 128GB is corrupted, well, it is what iTunes is saying.

I tried everything, that method of clicking the two wheel buttons simultaneously, but it didn't work. I reseted it, it didn't work, the iTunes isn't recognizing it and now I'm afraid.

Is there any other method to get him to work? Because I don't want to lose my iPod and don't want to buy a new one. Please, I NEED help!