I would simple that it back to the retailer you bought it from. Asus Support could be quite a long ordeal, If you invoice shows a different serial number from the unit you got, I would diffently take it back to the where ever you bought it.
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro