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  1. #1
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    Win 7 Non Destructive Reinstall Problem

    I am trying to perform a non destructive reinstall of my Win 7 64 bit system, but I am told there is insufficient space on C, and that I need 21760 megabytes free. How much is that in Gigabytes, and what would fellow lounge members do in these circumstances?

    Advice would be appreciated.

    Thanks and regards, Roy
    OS Dual Boot Windows 10 Pro 64 Bit & Windows 7 Pro With SP1 64 bit. (Intel Core i7 2600K Processor LGA1155-Asus P867 Pro Motherboard-GTX550 Ti DirectCU Graphics Card-Memory 8GB)

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  2. #2
    WS Lounge VIP Calimanco's Avatar
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    21760/10 = 21.76Gb

    Move all your personal folders/files to backup so they can be reinstalled and delete them from your hard drive (You already have a backup don't you?). Uninstall all unneeded programs/apps and ones that can easily be reinstalled. Running Disk Clean-up followed by CCleaner will recover some space. If its still not enough, get a bigger hard drive and clone your existing drive onto it before doing the reinstall.

  3. #3
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    Calimanco, thanks, I needed reassurance that what you suggest is the correct procedure. I have an up to date Macrium Reflect backup of all my drives.

    Regards, Roy
    OS Dual Boot Windows 10 Pro 64 Bit & Windows 7 Pro With SP1 64 bit. (Intel Core i7 2600K Processor LGA1155-Asus P867 Pro Motherboard-GTX550 Ti DirectCU Graphics Card-Memory 8GB)

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    Do you also have a Macrium recovery CD/USB that works - test by booting from the recovery CD?

    cheers, Paul

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    Paul, yes I do and I have successfully tested it.

    Regards, Roy
    OS Dual Boot Windows 10 Pro 64 Bit & Windows 7 Pro With SP1 64 bit. (Intel Core i7 2600K Processor LGA1155-Asus P867 Pro Motherboard-GTX550 Ti DirectCU Graphics Card-Memory 8GB)

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  6. #6
    Silver Lounger RolandJS's Avatar
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    royw, do you have a text file or doc file describing how to do that nondestructive reinstall of Windows 7? I have a licensed MS blue-disk for each computer, so, like you, I'm legal
    "Take care of thy backups and thy restores shall take care of thee." Ben Franklin revisited.
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  7. #7
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    Quote Originally Posted by RolandJS View Post
    royw, do you have a text file or doc file describing how to do that nondestructive reinstall of Windows 7? I have a licensed MS blue-disk for each computer, so, like you, I'm legal
    There you go, Roland - http://www.sevenforums.com/tutorials...r-install.html

  8. #8
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    RJ,

    Another discussion is here:
    http://windowssecrets.com/forums/sho...tive-reinstall

    Zig

  9. #9
    WS Lounge VIP Coochin's Avatar
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    Quote Originally Posted by Calimanco View Post
    21760/10 = 21.76Gb...
    Wrong.

    1GB = 1,024MB

    21760/1024 = 21.25GB
    Computer Consultant/Technician since 1998 (first PC was Atari 1040STE in 1988).
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  10. #10
    WS Lounge VIP Calimanco's Avatar
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    Not necessarily. It depends on how pedantic you want to be.

    Kilobyte (KB): The smallest file stored on a PC is normally four kilobytes in size. A kilobyte is 1024 bytes. Therefore 1KB is the same as 1024 x 8 = 8192 binary digits.

    Megabyte (MB): 1024KB equals one megabyte (MB),

    Gigabyte (GB): There are 1024MB in one gigabyte.

    Terabyte (TB): There are 1024GB in one terabyte (TB)

    On the other hand, hard drive manufacturers have long used a convention of rounding down to make things easier (and also provide less storage space).

    This means that 1000 bytes = 1 kilobyte and 1000 kilobytes = 1MB. Again, 1000MB = 1GB and 1000GB = 1TB.

    This is why hard drives appear to have a lower capacity than advertised.

  11. #11
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    Yup, is a byte eight bits or ten? It is in the eye of the marketer.

    Another degraded thread.

  12. #12
    jwoods
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    Quote Originally Posted by royw View Post
    I am trying to perform a non destructive reinstall of my Win 7 64 bit system, but I am told there is insufficient space on C, and that I need 21760 megabytes free. How much is that in Gigabytes, and what would fellow lounge members do in these circumstances?

    Advice would be appreciated.

    Thanks and regards, Roy
    Useful site for doing conversions...

    http://www.allconversions.com/

    This article from Scott Hanselman at Microsoft has some good suggestions on freeing up disk space...

    http://www.hanselman.com/blog/GuideT...rWindows7.aspx

  13. #13
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    To all,

    Regardless of the dorkalicious geekatude being displayed here, no one read post #2 closely enough:
    21760/10 = 21.76Gb
    I'm not a computer scientist, but the last time I looked (had to pull out my slide rule), 21760/1000=21.76 Gb.

    Zig
    Last edited by Zig; 2015-06-16 at 02:10.

  14. #14
    jwoods
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    We need to get this number right, or the OP will never be able to do the nondestructive reinstall.

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