Laptop MSI GP72 2QE LEOPARD PRO & GP72 2QD LEOPARD ( GTX 940M ) FID: MS-1793 CPU: i7 5950HQ / 5700HQ GPU: GTX 950M 2GB DDR3 VRAM BROADWELL & HASWELL BIOS Ver: E1793IMS.108 Fix when plug usb 3.0 device,it will not prompt tone in OS issue.