I'm running Win 7 x64 and just installed a 3TB hdd initialized in GPT format. Unfortunately it showed around 746GB. So I updated my BIOS(Intel DP67DE mobo) and after the update, entered F2 and confirmed that the HDD is recognized as 3TB. But when I started windows, it's still 746GB. What is the problem here? I have not formatted the hdd at all. Any help is appreciated. thanks!