I just bought an ASUS G751JL with 16 GB ram (upgraded from store - 12 GB originally), i7 4720, 128ssd, 1tb hdd, gtx 965M 2gb.. It came with Win 8.1. Every time I try to update it, it crashes (BSOD). Asus Tech Support told me that it might be the upgraded memory and I should return it. The seller...