If the item is not as described, you can file for the significantly not as described dispute and you will be given a shipping label to ship back the item to the seller hence you will get refund for the item that you purchased.
You need to contact the seller you bought it from on eBay. When you buy on eBay, you are buying from the seller, not eBay and not Dell. You can get help from eBay if you used PayPal to pay.
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If the item is not as described, you can file for the significantly not as described dispute and you will be given a shipping label to ship back the item to the seller hence you will get refund for the item that you purchased.
You need to contact the seller you bought it from on eBay. When you buy on eBay, you are buying from the seller, not eBay and not Dell. You can get help from eBay if you used PayPal to pay.