Windows 10: Access denied to C: drive serious issues

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  1.    14 Jun 2016 #31

    I have deleted partitions so I now have just two: 30.1GB unallocated and 901.4 Partition 1 type Primary. I can only get 'NEW' on the unallocated and still can not install Windows for the same reason I said before.
    I tried increasing the size of the unallocated drive but it says the maximum is 30820MB.

    I have now deleted all drives and get just the unallocated one, I then created a new drive and it gave me about four! All at different sizes. However I now seem to be able to progress and it is getting files ready for installation. I only hope that I have done the right thing!
    I will keep you posted.
    Thanks for now
      My ComputerSystem Spec


  2. Posts : 4,787
    Win 10 Pro x64
       14 Jun 2016 #32

    Jeff o said: View Post
    I have deleted partitions so I now have just two: 30.1GB unallocated and 901.4 Partition 1 type Primary. I can only get 'NEW' on the unallocated and still can not install Windows for the same reason I said before.
    I tried increasing the size of the unallocated drive but it says the maximum is 30820MB.

    I have now deleted all drives and get just the unallocated one, I then created a new drive and it gave me about four! All at different sizes. However I now seem to be able to progress and it is getting files ready for installation. I only hope that I have done the right thing!
    I will keep you posted.
    Thanks for now
    That's what I meant, delete all so you can create GPT partitions. You can't have both MBR and GPT on the same drive. It's either one or the other. That's how GPT disk work after creating new partitions. It will create small system partition.
      My ComputerSystem Spec

  3.    14 Jun 2016 #33

    Oh Oh I left my PC installing the new build and when it seemed to have completed it powered off and rebooted asking whether I wanted to start install W10 again. I assumed that it was because I had left the boot preference pointing at the USB (still connected). So I changed the boot bios back to the hard drive setting and restarted but it said it could not find the hard drive.
    I have put the boot back to USB and am going through the whole process again!

    It is asking to load W10 again this time into the largest of the drives. It is going through the whole Installing thing again! What must I do to get it going properly?
      My ComputerSystem Spec

  4.    14 Jun 2016 #34

    It keeps saying that there is no boot disc or disc has failed. It seems to think my SanDisk (my USB) is the hard drive name when I change the Boot Bios. I presume that I have installed W10 OK but how do I get it to boot up properly?
      My ComputerSystem Spec

  5.    14 Jun 2016 #35

    The way that you want to do a clean install is to delete all the partitions on the hard drive until it is one big unallocated space on the custom install options screen. Then click next to install Windows to the unallocated space. Do NOT click new after all the partitions are deleted. Just next and let Windows create the partitions it needs.
      My ComputerSystem Spec

  6.    14 Jun 2016 #36

    OK I have done exactly what you suggested and at the end of the installation it reboots itself and restarts the installation. NOT GOOD!

    Where do I go from here? The only thing that I can think of is that right at the beginning it asks for the Language, Time and Keyboard I have been putting in English UK time and Keyboard. It won't let me change the language to English UK but this is OK.
      My ComputerSystem Spec

  7.    14 Jun 2016 #37

    Pull the USB out and let the computer boot from the hard drive.
      My ComputerSystem Spec

  •    14 Jun 2016 #38

    It just says 'ERROR no boot disk detected'

    This the same issue following three W10 installation attempts.
      My ComputerSystem Spec

  •    14 Jun 2016 #39

    Just what is going on with Windows 10? I have spent four whole days getting nowhere. In fact at each stage of my efforts I have become worse off. I have done everything that has been recommended and now my PC is dead.
      My ComputerSystem Spec

  •    14 Jun 2016 #40

    Jeff o said: View Post
    Just what is going on with Windows 10? I have spent four whole days getting nowhere. In fact at each stage of my efforts I have become worse off. I have done everything that has been recommended and now my PC is dead.
    On the Information or Main tab of your bios (UEFI), is the hard drive listed? Also, in the lower right corner of my UEFI it says F9 for setup defaults. You might have an option for setup defaults or optimized defaults. Have you tried the F key for Optimized Defaults (first) or Setup Defaults (second)?

    Click image for larger version. 

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    Also, if you make a USB flash drive or CD of Kyhi's recovery drive, you can boot into that and get a screenshot of disk management and that would help us immensely.

    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums
    Disk Management - How to Post a Screenshot of - Windows 10 Forums
      My ComputerSystem Spec


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