If you updated the firmware you will need to flash the older version on it. How, I don't really see any instructions and don't have the ghub installed to check it for you, check Logitech support forums/site.
If you updated the firmware you will need to flash the older version on it. How, I don't really see any instructions and don't have the ghub installed to check it for you, check Logitech support forums/site.