Dell Laptop — Refunding my money

I am complaining you from 6th feb for updating my warranty period of my laptop, till now you are not able to send the resolution. I complained via email and phone calls so many times. But now l can't give u more time . Now l just want my money refund till 10th march otherwise l am going to file a case against your company. You and your company are so fraud that you have given me defective laptop with local charger.
Contact no.:[protected]
Email ld: [protected]@gmail.com
Order Id:OD[protected]