If a goldstar.com coupon code isn't working, several steps can be taken. First, ensure that the code has been entered correctly. Typos or extra spaces can cause the code to be invalid. Second, check the terms and conditions of the coupon. Some coupons are only valid for certain events, dates, or locations. Third, verify that the coupon is still valid. Many coupons have an expiration date. Lastly, if all else fails, contact Goldstar's customer service for assistance. They can provide further help and possibly offer a solution. Remember, patience is key when dealing with technical issues. Good luck!