The retailer should accept return of a defective product. Then file a warranty claim with the manufacturer. If that doesn’t work, your credit card company might

The retailer should accept return of a defective product. Then file a warranty claim with the manufacturer. If that doesn’t work, your credit card company might have an extended warranty claim procedure that you should start. Finally, start leaving bad reviews of the retailer and manufacturer online. If that doesn’t get their attention, at least you might cause them to lose a few hundred thousand dollars in sales.