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Only Recognizing 320GB of a 640GB HDD

Last response: in Storage
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May 28, 2011 11:06:25 PM

WINDOWS HAS THE SIZE OF MY HARD DRIVE SPACE AS 591 GB WHEN ACTUALLY IT IS 640 GB HOW DO I RECOVER THE REST OF MY SPACE THATS 40 GB SHY
a c 289 G Storage
May 28, 2011 11:49:31 PM

There are two things that result in the space you see on the drive not matching the advertised space. First, the box measures space in GB of 10^9 bytes, while the OS measures space in Gigabytes of 2^30 bytes. The computer community has even made up the awful term gibibytes (GiB) to mean the Gigabytes that your system measures space in. That's 596 GiB right there. Plus, some of the space is taken up in formatting and partitioning overhead. So 591 GiB is about right.

Your subject refers to 320 GB missing - that would be unusual.
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