Defragment and Optimize C drive Solved

  1.    13 Feb 2018 #1

    Defragment and Optimize C drive

    I can not get my C drive to optimize. It stays stuck on 6%. I have tried it 5 times and still will not go to O% optimized.
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  2.    13 Feb 2018 #2

    You could try booting from a repair disk or your Windows 10 install media, then entering this command at the command prompt:

    defrag <drive-letter>: /u /v
    This will quickly tell you if something's wrong with the drive itself and it can't be defragged, or if it's an issue with Windows .
    Last edited by EdTittel; 13 Feb 2018 at 17:24. Reason: Fix typo
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  3. Bree's Avatar
    Posts : 9,875
    10 Home x64 (1809) (10 Pro on 2nd pc)
       13 Feb 2018 #3

    How much free space do you have on your C: drive? With XP you needed at least 15% free space for defrag to be able to completely defrag the drive. That limit has been reduced now, but you still need some free space to be able to defrag effectively.
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  4.    14 Feb 2018 #4

    C drive

    Hello Bree,
    I have windows 10 and have 385gb free of 464gb
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  5.    14 Feb 2018 #5

    Lets defragment free space, boot files and C: partition hopefully this will resolve the fragmentation problem. If not then use free defragmentation software.

    Please open the Command Prompt by typing cmd.exe into or Start Menu, right-click on Cmd.exe, and open it as an administrator.

    Execute following commands one at a time.

    Defrag  C:  /x  /v  /u /h
    Defrag  C:  /b  /v  /u /h
    Defrag  C:   /v  /u /h
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  6.    16 Feb 2018 #6

    defrag and optimize

    Thanks that did it back to 0% defrag. much appreciate. have a great weekend

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  7.    16 Feb 2018 #7

    Phil7788 said: View Post
    Thanks that did it back to 0% defrag. much appreciate. have a great weekend

    You are very welcome!

    Take Care!
      My ComputerSystem Spec


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