Missing Hard Drive space?


  1. Posts : 509
    Windows 7 Home Premium 64-bit SP1
       #1

    Missing Hard Drive space?


    I seems that I'm missing 46GB of space on my hard drive, any idea what is going on, or if one of there programs are notorious for displaying incorrect information?
    Attached Thumbnails Attached Thumbnails Missing Hard Drive space?-lolwut2.png   Missing Hard Drive space?-lolwut.png  
      My Computer


  2. Posts : 17,796
    Windows 10, Home Clean Install
       #2

    Most likely its restore points.
    But there can be other causes, just as in Vista.
    Hard Disk Space - Free Up and Recover
    Last edited by Brink; 08 Sep 2011 at 02:13. Reason: replaced link with one of ours for the same thing
      My Computer


  3. Posts : 3,187
    Main - Windows 7 Pro SP1 64-Bit; 2nd - Windows Server 2008 R2
       #3

    That's the normal size for a 1TB drive. What you're seeing is the difference between binary (240) and decimal counting (1012 ).

    HD Manufacturers: 1000 Bits = 1 Byte and 1000 Bytes = 1MB and 1000 MB = 1GB and 1000GB = 1TB
    1000 X 1000 X 1000 = 1,000,000,000,000 or 1TB

    Windows: 1024MB = 1GB

    1,000,000,000,000 / 1024 / 1024 /1024 = 939.3225746154785

    (I did that in my head, so it might be off in the last decimal place.) <= Big Fat Lie

    The other ~.9 etc is the 100MB System Reserved space at the beginning of the drive. :)

    Terabyte - Wikipedia, the free encyclopedia
      My Computer


  4. Posts : 7,730
    Windows 7 Ultimate SP1 64-Bit
       #4

    Check out this excellent tutorial from Brink: Hard Disk Space - Free Up and Recover

    On today's large hard drives, shadow storage at 10-15% can easily eat up 10-15GB of a 1TB drive.

    Add that to the way drive space is calculated as explained by profdlp, it's not hard to see where 46GB went "missing".
      My Computer


  5. Posts : 26,863
    Windows 11 Pro
       #5

    profdlp, 931.3225....
      My Computer


  6. Posts : 13
    MS Windows 7 Home Premium 64-bit SP1
       #6

    mine turned a 1000gb into 932gb
      My Computer


 

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