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  1.    04 Aug 2015 #1
    Join Date : Aug 2015
    Posts : 6
    Windows 7

    Windows 7 to Windows 10 error 0xc000000f


    I have tried to upgrade from win7 to win10 after copying the files and the system restarts, I will get the error 0xc000000f. I have both win7 and win10 disks and the automatic repair would not work.


    Apparently this has to to with some bios settings, I have tried to follow the guide but I do not have all the options to described in the guide below.


    [Solved] Error Code 0xc000000f Windows 8: A Required device isn’t connected or can’t be accessed


    Specs:
    Processor (CPU) Intel Corei7 Quad Core Mobile Processor i7-3630QM (2.40GHz) 6MB
    Memory (RAM) 8GB SAMSUNG 1600MHz SODIMM DDR3 MEMORY (2 x 4GB)
    Graphics Card NVIDIA GeForce GTX 660M - 2.0GB DDR5 Video RAM - DirectX 11
    2nd Graphics Card NONE
    Memory - Hard Disk 120GB KINGSTON V300 SSD, SATA 6 Gb (450MB/R, 450MB/W)
    2nd Hard Disk 1TB WD SCORPIO BLUE WD10JPVT, SATA 3 Gb/s, 8MB CACHE (5400 rpm)
      My ComputerSystem Spec
  2.    04 Aug 2015 #2
    Join Date : Oct 2014
    Posts : 941
    Windows 8.1, Win10Pro

    Sorry to say ... but that link is only useful if you have UEFI. I have an "old" Win7 laptop that uses BIOS, not UEFI, and have gotten the same failure -- time after time. I've tried three different upgrade methods -- Windows Update, using the ISO, using a DVD made from the ISO -- and it fails with that same code every time. Last time it failed, it left my laptop in an unusable state -- one I'm still working on fixing.
      My ComputerSystem Spec
  3.    05 Aug 2015 #3
    Join Date : Aug 2015
    Posts : 6
    Windows 7
    Thread Starter

    I have tried upgrading using windows update and a bootable usb stick - both do not work. I am able to do a clean install of windows 10 but then I have got the problem with the activation key.
      My ComputerSystem Spec
  4.    05 Aug 2015 #4
    Join Date : Oct 2014
    Posts : 941
    Windows 8.1, Win10Pro

    A clean install on a PC that was not previously activated through an upgrade wii NOT activate. You must do the upgrade first.
      My ComputerSystem Spec
  5.    07 Aug 2015 #5
    Join Date : Aug 2015
    Posts : 6
    Windows 7
    Thread Starter

    Quote Originally Posted by Mark Phelps View Post
    A clean install on a PC that was not previously activated through an upgrade wii NOT activate. You must do the upgrade first.
    I know otherwise it wouldnt activate right? I have been with microsoft for 4 days now and they have tried remotely installing it for me. They do not know whats going on so they are going to do it again tomorrow, referred me to a level 2 technician. Hope it will work, apparently it got something to do with corrupt BCD - I have tried to rebuilt it but it still does not work.

    The technician asked me whether I want a win 10 key but was going to charge me 100 pounds.
      My ComputerSystem Spec
  6.    11 Aug 2015 #6
    Join Date : Aug 2015
    Posts : 1
    Windows 10 home

    Any update on this? Been running win 10 for less then a week and I had been enjoying it until I encourage tired this same problem today. Right after a mandated windows update I got this same message and error code.
      My ComputerSystem Spec
  7.    11 Aug 2015 #7
    Join Date : Aug 2015
    Posts : 6
    Windows 7
    Thread Starter

    Quote Originally Posted by Scott402 View Post
    Any update on this? Been running win 10 for less then a week and I had been enjoying it until I encourage tired this same problem today. Right after a mandated windows update I got this same message and error code.
    I contacted microsoft and they gave me a win10 key - it took them 5 days but finally have it.
      My ComputerSystem Spec
  8.    11 Aug 2015 #8
    Join Date : Apr 2014
    Space coast of Florida
    Posts : 5,382
    Windows 10 Pro X64 16299.19

    So you were able to then do a Clean Install?
      My ComputersSystem Spec
  9.    12 Aug 2015 #9
    Join Date : Aug 2015
    Posts : 6
    Windows 7
    Thread Starter

    Quote Originally Posted by Ztruker View Post
    So you were able to then do a Clean Install?
    I was always able to do a clean install but couldnt upgrade hence no activation. But now with a windows 10 key it works totally fine.
      My ComputerSystem Spec
  10.    18 Sep 2015 #10
    Join Date : Sep 2015
    Posts : 1
    Windows 7 --> 10

    0xc000000f


    So has there been any resolution to this besides getting a new key from Microsoft? I am experiencing the same issue as others. There is no option for turning off secure boot and I only have ACHI and compatibility, I have tried to upgrade several times, all result in the 0xc000000f error. I have a Lenovo L420. A clean install works perfectly fine but as others have said this causes Win 10 to stays inactivated. I am able to get all the way through the first 2 steps where the computer restarts and about 60% way through copying, aprox 20% overall, at the installation screen the laptop will restart and I get the message 0xc000000f, A required device isn't connected or cannot be accessed. Any help is greatly appreciated.

    Lenovo L420, clean 7 install ---> 10 upgrade
      My ComputerSystem Spec

 
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