Can't shrink volume of C:\ drive


  1. pen island
    Posts : 27
    Windows 7 Ultimate x64
       New #1

    Can't shrink volume of C:\ drive


    When I installed windows 7, I accidentally had my storage drives plugged in, so the system reserved partition went on a different drive than my OS boot drive. I'm trying to move it from the storage drive to my boot drive. I'm trying to shrink the volume of my boot drive to transfer the existing system reserved, but it says 0MB for the volume size. It has 17GB of free space. I'm only trying to make a 100MB partition. I ran CCleaner, Windows Error-checking, and Defraggler.

    Disk Specs:

    x1 OS boot drive (120GB SanDisk SSD)

    x2 Storage drive (500GB WD)
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  3. sammyone
    Posts : 17
    Windows 7 Home Premium 64 bit
       New #2

    If you download EaseUS Partition Master Home - EPM which is (FREE) and install it...

    Download EASEUS Partition Master Home Edition - MajorGeeks

    Withall normal drives in place...

    Open/Run EPM and when the Disk map is opened - click on your C: drive > Choose resize and
    DRAG the LEFT side towards the right... just over 100Mb > click OK

    Right Click the 'empty' 100Mb and choose Create - choose PRIMARY NTFS > click OK
    Right Click the 'empty 100Mb and choose Format > click OK
    Right Click the new 100Mb partition and choose re-name > name it SYSTEM - click OK

    So far nothing has happened you've only told the program what to do...

    Now click the TICK on the top menu (Apply) - it will reboot the computer to carry out the tasks...

    When Windows is running again...

    Make sure all hidden and system files are visible (Tools > Folders menu)

    Using Windows Explorer... Copy the contents of the 'wrong' system reserved files to the C: drive SYSTEM partition

    Using EPM again - remove drive letter from SYSTEM (it will 'hide' it) > close EPM and -

    With your WINDOWS Install DVD in the DVD Drive and selected as first boot - Restart the computer...

    Do NOT Install Windows... do a Start up Repair... when it finishes... your computer should restart as normal.

    You can then delete the D: Drive system reserved files partition AND expand the D drive to use those extra 100 Mb using EPM...

    Hope this was helpful - I just had to do it myself - for the exact same reason as yourself...
    Last edited by sammyone; 27 Sep 2013 at 01:52. Reason: Left out a line of instruction...
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  4. pen island
    Posts : 27
    Windows 7 Ultimate x64
    Thread Starter
       New #3

    Thank you VERY MUCH!!! I really appreciate it.
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  6. pen island
    Posts : 27
    Windows 7 Ultimate x64
    Thread Starter
       New #4

    Now I am getting a message that says Windows 7 is not genuine.
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  7. Golden
    Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       New #5

    1. Download and save this tool to your desktop:
    http://go.microsoft.com/fwlink/?linkid=52012

    2. Run the tool, and then click Copy - ignore any errors if they appear

    3. Use CTRL+V to paste the unedited results of the tool here in your next reply
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  8. pen island
    Posts : 27
    Windows 7 Ultimate x64
    Thread Starter
       New #6

    I was able to use the "Copy Partition" feature in EASEUS. It works great! Thank you very much sammyone.
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