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Windows 7: Hard disk size missing

24 Mar 2011   #1

Windows 7 Ultimate 32bit
Hard disk size missing

my hard disk size in missing...
here attached my snapshot of my harddisk size..
i am using segate harddisk..

Attached Thumbnails
Hard disk size missing-sshot-1.png  
My System SpecsSystem Spec
24 Mar 2011   #2

Windows 8.1 Pro

It's not there. Nothing is missing. a 250GB drive will have about 232 gbs usable space, 320gb =298,500=465, 1tb=930gb approx. That's the way it is, i don't wanna explain why. Just don't worry about it.
My System SpecsSystem Spec
24 Mar 2011   #3

7x64 SP1

Hard Disk manufacturers use the SI definition of a byte, while computers use the binary definition of a byte.
SI gigabyte = 1,000,000,000 bytes
binary gigabyte = 1,073,741,824 bytes

Hence a 500gb (500,000,000,000 bytes) hard drive will indeed be 500 billion bytes (usually a bit over depending on platters etc.), but only 465gb.
My System SpecsSystem Spec

25 Mar 2011   #4

MS Windows 7 Home Premium 64-bit SP1

Dear Stormkitty,
You have earned a +1 rep. for the excellent explanation!! The only grouse is as the storage volumes increase to 1TB, 1.5 TB and 2TB the gap widens significantly and you will feel as if you are holding a low birth weight baby when it should not be the case!

Dear Saravantbe,
I have a 1TB internal HDD, but under D-M as yours ,it shows up a total of 931.52GB! That's the way the cookie crumbles! You are in excellent company!

My System SpecsSystem Spec
25 Mar 2011   #5

Windows 7 Ultimate 32bit

Thanks For Help...REP ADDED...
My System SpecsSystem Spec

 Hard disk size missing

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