New 4TB drive only registering 2 TB once installed

I just installed a new 4TB HDD in my XPS 410. Now when I look at the drive it is only registering about 2 TB. Is there anything that can be done to allow the entire disk to be used. I am running WIN7.
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More about 4tb drive registering installed
  1. The motherboards I have been using the past couple of years (ASRock) came with a 3TB+ Unlocker on the disc. I have only run a few disks 3TB and over, but I think it may be formatted differently too.
  2. You need to initialize this drive with GPT partition table.
    http://msdn.microsoft.com/en-gb/library/windows/hardware/gg463524.aspx#EJC
  3. Yep, you need GPT. Bejusek is right.
  4. Yap This video may help you as it has same problem it shows 2tb only , watch the video and hope it helps:
    https://www.youtube.com/watch?v=NHAIDprjmYo
  5. kushvyas said:
    Yap This video may help you as it has same problem it shows 2tb only , watch the video and hope it helps:
    https://www.youtube.com/watch?v=NHAIDprjmYo


    I tried this and it will only see about 2 TB. I am only using this drive as a data storage. Could it be my mother board? I have tried just about everything I can find for Win7.
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