Windows 8 and 8.1 Forums


No Access to c;/ Tried all options

  1. #11


    Posts : 660
    windows 8.1


    Found this problem "Can't acces my hard drive after accidental change in permissions "

    I have solved the problem, using some commands like you mentioned but not precisely those. See the last post on the following page: [SOLVED] Access Denied - Fully! - Tech Support Forum

    Hi, there are a number of methods to resolve this let's try the easy one first. Boot with the OS dvd in the drive (may have to set boot order in the bios).

    Access the RE (recovery environment) through the "repair your computer" option. Then select command prompt. At the x sources prompt type:-

    Code:

    bcdedit | find "osdevice"
    Using the drive letter returned (assume C) run at the x sources

    C: (press enter)

    At the C: prompt, type each command pressing enter after each:-


    Code:

    takeown /A /F C:\
    takeown /A /F C:\Windows
    takeown /A /F C:\Windows\System32
    Close the Command Prompt, then click Restart

    This should give you access to C drive, you can reset permissions then or whatever.



    Maybe this will help you.
    Last edited by lifetec; 06 Feb 2014 at 11:08.

      My System SpecsSystem Spec

  2. #12


    I am most certainly SOL. I didn't create a restore point after upgrading to 8.1. Turns out when you upgrade to 8.1 you also lose your ability to do a system reset if you download it from the Windows store. I'm having to get it wiped and set back to factory by a technician. What a nightmare. This computer is only a week old.
      My System SpecsSystem Spec

  3. #13


    UK
    Posts : 333
    Windows Server 2012 R2 / 8.1


    Right, not sure if you have tried this but I have just been looking at this in a virtual machine for you and hopefully I managed to replicate and find the solution:

    Firstly I deleted all the permissions to one of my users to get the error in the picture attached.



    Then running an elevated CMD prompt -
    1. Ctrl + X
    2. Ctrl + A

    Then run this command:

    icacls C:\ /grant:r TestUserOI)(CI)M /T /C

    Change "TestUser" with the user you are trying to give access to your root directory. If this is successful you will see the CMD prompt processing all the files.

    Hope this help.

    Cheers,
    Harry
    Attached Thumbnails Attached Thumbnails Screen Shot 2014-02-06 at 14.42.51.png  
      My System SpecsSystem Spec

  4. #14


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Quote Originally Posted by RealPDizzy View Post
    I am most certainly SOL. I didn't create a restore point after upgrading to 8.1. Turns out when you upgrade to 8.1 you also lose your ability to do a system reset if you download it from the Windows store. I'm having to get it wiped and set back to factory by a technician. What a nightmare. This computer is only a week old.
    I'm guessing you get prompted to supply your installation media when you try to do the reset. I've seen posts that say it will reset to 8.0 and some that say no it won't work anymore. It likely has to do with how the factory sets up the factory recovery partition that contains the image of the original install. When you get it back, I'd make your recovery media first thing. It may save you if you end up in a similar situation.
      My System SpecsSystem Spec

  5. #15


    Yes, I'm doing the back up off the hop.
      My System SpecsSystem Spec

  6. #16


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Hopefully you never need them, but better to have them just in case.
      My System SpecsSystem Spec

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No Access to c;/ Tried all options
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