Windows 10: PC will no longer boot after failed installation version 1709

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  1.    16 Dec 2017 #1

    PC will no longer boot after failed installation version 1709


    I can no longer boot my PC. I went to work yesterday leaving Windows 10 version 1709 installing, but when I came home, the computer was off (not in standby); I turned it on, and after about 5 seconds it shut down and then restarted. This goes on for about 6 times before it shuts down altogether.
    Using Windows Media Creator and Rufus I've prepared a bootable USB, but I haven't been able to get Windows to repair, and I don't want to do a full installation and lose all my programs and data. Can anyone give me some advice?
    Florio
      My ComputerSystem Spec

  2.    17 Dec 2017 #2

    Not possible to boot Windows after latest update (1709)


    I posted a message yesterday, but no one replied. Some then, there have been new developments.
    Basically, my computer will no longer boot after a failed installation of Windows 10 version 1709. Using the Media Creator tool, I have prepared a bootable USB drive, but this doesn't work either. I have tried diskpart, but at the command 'bootrec /fixboot', I am told that access is denied. Is there a way of getting around this?
    Is my OS corrupt?
    Florio
      My ComputerSystem Spec

  3.    17 Dec 2017 #3

    Sorry to hear of your problems.

    Do you use disk imaging as we constantly recommend? If so you can restore a disk image of your previous build (E.g. Macrium Reflect (free) )

    If not, recovery could be hard or impossible. However you may be lucky and find you can run system restore by booting from the Win 10 boot disk and using Advanced Startup options.

    I believe it's also possible to uninstall an update from a non-booting system (providing it's not corrupted in some way of course).

    Do you have full backups? (Or a disk image of your Windows partition?)

    If not, you could boot from a boot disk such as Kyhi's available from the top of the software and Apps section here, and back up essential data.

    Creating a bootable drive:
    .
    Create Bootable USB Flash Drive to Install Windows 10 Installation Upgrade Tutorials

    Creating
    a bootable USB drive.

    with thanks to @NavyLCDR
    To reliably make a bootable USB flash drive from an ISO file, do this:

    Plug the drive into a USB port of a functioning Windows PC.

    Open a command prompt.
    Run diskpart.

    Once diskpart is running, enter the following commands in sequence:

    list disk
    select disk #
    - replace # with the actual disk number of the USB flash drive
    clean
    - this will erase the selected drive, make sure it is the USB flash drive!
    create part pri
    format fs=fat32 quick
    active
    exit
    exit

    Then mount your ISO file.
    (By default you can simply right click the iso file, and click Mount. However, Mount will not be available if iso files have been associated with a different program).

    Copy all the files and folders from the mounted ISO file to the USB flash drive.

    (If stuck you can open the iso with 7-zip, a free program).

    Discussion here:
    Reinstall Windows 10 from DVD but no DVD drive
    - includes content of flash drive.

    OR use Rufus (freeware)
    Create Bootable USB Flash Drive to Install Windows 10
    See Option 2
      My ComputerSystem Spec

  4.    17 Dec 2017 #4

    others are having similar problems. see this thread Cumulative Update KB4054517 Windows 10 v1709 Build 16299.125 - Windows 10 Forums
      My ComputerSystem Spec

  5.    17 Dec 2017 #5

    Many thanks for your reply, dalchina. I have created a bootable USB device but it will not repair the OS, and I've tried using diskpart in a command prompt to no avail.

    Unfortunately I don't have a recent disk image, and cannot run a system restore (I am told that there are no restore points). I realise this is all my own fault, as I've continually put off backing up all my programs and data. I was obviously convinced that nothing like this was going to happen.

    Returning to your reply, I don't understand the instructions regarding the USB drive:

    Plug the drive into a USB port of a functioning Windows PC.
    Open a command prompt.
    Run diskpart.
    Once diskpart is running, enter the following commands in sequence:
    list disk
    select disk #
    - replace # with the actual disk number of the USB flash drive
    clean
    - this will erase the selected drive, make sure it is the USB flash drive!
    create part pri
    format fs=fat32 quick
    active
    exit
    exit

    Why should the the USB flash drive be erased?

    I've tried most of the Advanced startup options available on the boot drive, and nothing seems to work.
    If you think of anything else, please let me know!

    Florio
      My ComputerSystem Spec

  6.    18 Dec 2017 #6

    Hi, if you have a bootable Win 10 drive (your post #1), then clearly you don't need to worry about the instructions for that.

    However, if you wish to access your internal drive- for example to copy off/back up data- then Kyhi's boot disk is very useful. (It boots up as Win 10, with a range of utilities, so yo can of course use file explorer as usual).
    You can use Rufus or those instructions to prepare the bootable disk, or burn the iso to a DVD if your PC has a DVD drive.

    I understand your problem to be a failed upgrade to 1709 from an earlier build rather than as post #4.

    Your options are very limited. I don't know of any way to reliably repair a non-booting Windows system in this case. Sure, there are
    a. Startup Repair - (which I believe you've tried)
    b. Macrium Reflect's Fixboot utility (available if you use Kyhi's boot disk)
    but these are really not intended for this scenario, where we really don't know what state your system is in.

    Try disconnecting any unnecessary peripherals and reboot.

    You could post a screenshot of the partitions using Minitool Partition Wizard.

    Search the forum for e.g.
    fails to boot after upgrade
    and similar for more clues.

    E.g.
    Search the forum for
    automatic repair loop solved
    (Your first post mentions this happens)

    Check to see if your boot order has been changed
    Windows 10 won't boot after using 'Upgrade only' option. Solved - Windows 10 Forums
    Last edited by dalchina; 18 Dec 2017 at 05:34.
      My ComputerSystem Spec

  7.    18 Dec 2017 #7

    Florio said: View Post
    Using Rufus I've prepared a bootable USB, but I haven't been able to get Windows to repair, and I don't want to do a full installation and lose all...Florio
    boot out of your USB installer created by Rufus, Repair->Troubleshoot->run Command prompt
    copy all your data in c:\users\{your name} with robocopy.exe to a salvation storage
    exit get into installation again
    install on the ruined windows partition

    next time it's better to redirect yours to data partition by junction, after robocopy them all to d:\Data\user;
    mklnk /j c:\user d:\Data\user
      My ComputerSystem Spec


  • Posts : 403
    Windows 10 Home x64
       18 Dec 2017 #8

    Another idea, much more than you were thinking you'd need to do, but another choice. Obtain another drive, preferably an SSD. You can get a name brand 250G for around $100, probably less with holiday sales.

    Install it as the only drive in you box, remove all other drives, use a bootable iso, either USB, or cd, and install W10 1709 on the drive. Once you're up and running, reinstall your existing drive with all your data back into the computer, then transfer anything you might want to the new drive running 1709. This gives the opportunity to weed out things that maybe you don't use anymore, or haven't used in a while. Or even better, leave everything alone on the old drive, delete the old W10 installation, and use it as a storage/backup drive. Then you'll have a backup/image on hand, Macrium is easy to set up to make backups automatically.

    Just some random thoughts, you could clear several problems at once and have a clean install on a new SSD. Not sure what you have now, I have a Samsung SSD, cold boot to up and ready in around 30 seconds or so.

    Good luck whatever you end up doing :)

    P.S. IMO the reason for the 'clean' command is to ensure the USB is completely clean. USB's have been around for some time, and many of us have USB's that are still good but have had things on them at one time or another.
      My ComputersSystem Spec

  •    18 Dec 2017 #9

    Hi.
    Have a read of this thread (from post #13 on) - maybe it's a possibility for you:

    No boot black screen, recovery c: access denied Solved - Page 2 - Windows 10 Forums

    .
      My ComputerSystem Spec


  • Posts : 17,808
    windows 10 professional version 1607 build 14393.969 64 bit
       19 Dec 2017 #10

    With a Windows 10 iso are you able to boot to the iso advanced troubleshooting menu?
    If so which advanced troubleshooting options have you tried and what were the results?
    Which command prompt > Administrator X:\Windows\system32\cmd.exe commands have you tried and what were the results?
      My ComputerSystem Spec


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