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Windows sees 3 TB HDD as having only 746.52 GB capacity

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Hello. I have an Alienware Aurora desktop computer running Windows 7 Ultimate x64. I just installed a 3 TB HGST Deskstar 7K3000 SATA internal hard drive, which I want to use for data, not as a system or boot disk. 

I have initialized the drive as a GPT disk, and Windows Explorer, Windows Disk Management, and EaseUS Partition Master Professional can see it, but they all see it as having only 746.52 GB capacity.  I can create a partition that size if I want to, but I want the full 3 TB (or 2.7 or whatever it really is).

I have installed the latest drivers for my SATA controller and Intel chipset, and I've installed the Intel Rapid Storage Technology driver and software. The Intel software can see the full 3 TB capacity in my new HDD, but it doesn't seem to let me do anything to make that capacity available to Windows.

The Dell support page keeps telling me that I need urgently to install the Intel Chipset Software Installation Utility, v.9.1.1.1019, A01 (Driver), even though I've installed it three or four times already, and successfully as far as I can tell.  (That is, the Intel Rapid Storage Technology is installed and seems to be working, as I mentioned already--though I should mention also that the only thing it offers to let me do is to turn on the HDD port LED.  Is it supposed to do more, if I don't have a RAID set-up?)

I'll be grateful for any help.

Sincerely,

Jim Crutchfield
Long Island City, NY 


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