For what it's worth, I just fought over the past few days with a few different UNOs and a few different NANOs trying to load a new bootloader into the Nano with the same errors and no luck. No luck with Optiboot either.
For what it's worth, I just fought over the past few days with a few different UNOs and a few different NANOs trying to load a new bootloader into the Nano with the same errors and no luck. No luck with Optiboot either.