I also had this problem, and still do. At first, I had Win7 7057 32 bit installed, I formatted the hard drive and installed Win7 7057 64 bit. In my computer, it said I have 4.00GB of RAM (3.12GB Usable) So I was like WTF? Turns out my BIOS was out of date because when I booted, it said "3200MB...