Unable to boot Windows 10 - no errors displayed

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  1. tony359's Avatar
    Posts : 83
    Windows 10 Pro
       #1

    Unable to boot Windows 10 - no errors displayed


    Hello everybody

    My first post here! I am testing Windows 10 on a separate disk. Last week I installed the latest build - 10041 if memory serves - and all was good.
    I had a little trouble when I installed Virtualbox and the Virtualbox's USB drivers prevented my keyboard and mouse from working. I manually deleted all virtualbox's USB drives (from another OS) and Windows reinstalled the default ones.

    Today I powered up my PC and after the sound card was initialised (I could hear the usual "click" over the speakers) the PC rebooted. Windows did not help, did not give any warnings or errors. Safe mode does not work either, PC reboots in the same place.
    What is weird is that I enabled boot logging but I cannot find the file. I googled it and it should be under C:\windows\ntbtlog.txt but it's not there. I turned windows 10 HDD off as soon as the system rebooted - allowing Windows 7 to boot up, in case Windows 10 was deleting the log file during the following boot - but still the file is not there.

    I'm a little stuck. I'd like to try and recover the system before I try to 'refresh' it.

    Any help? I'm afraid I won't be able to give more information, I simply can't find any.

    Thank you all for your help!
    Tony
      My Computer

  2. labeeman's Avatar
    Posts : 20,458
    Mint 20.2
       #2

    This is the latest build you might want to update to it.
    New Windows 10 Insider Preview Build 10074 now available
      My Computer

  3. tony359's Avatar
    Posts : 83
    Windows 10 Pro
    Thread Starter
       #3

    Hi,

    That's great.
    However, is there a way to upgrade if I cannot log into Windows?
      My Computer


  4. Posts : 230
    10
       #4

    If you can't boot into Win10, then the best option would be to run Startup Repair to see if it can fix it.
    Another option would be to use System Restore to go back to a point where it was working.

    If needed, you can boot to startup repair from a Windows 10 boot disk (or USB drive) that you may have used when installing it.
    If not, post back for assistance in locating a copy that you can use on a USB drive.
      My Computer

  5. tony359's Avatar
    Posts : 83
    Windows 10 Pro
    Thread Starter
       #5

    Hi,
    I forgot about system restore. I usually disable it on my main OS, but it should be working under 10. I'll give it a go, it's not my main OS but I have installed quite a few applications and I'd rather not start again from scratch.

    Thank you for your help, I'll report back soon!
      My Computer

  6. labeeman's Avatar
    Posts : 20,458
    Mint 20.2
       #6

    tony359 said:
    Hi,

    That's great.
    However, is there a way to upgrade if I cannot log into Windows?
    You can DL the ISO and upgrade from it.
      My Computer

  7. tony359's Avatar
    Posts : 83
    Windows 10 Pro
    Thread Starter
       #7

    labeeman said:
    You can DL the ISO and upgrade from it.
    Hi,
    System restore is either disabled or not working, no points found. System refresh removes all the apps. I cannot find the logs. I downgraded to the previous build, still reboots at the same point.

    I guess that next would be upgrading to the latest build. I cannot see a link for an ISO though, anyone?

    Thank you!
      My Computer

  8. labeeman's Avatar
    Posts : 20,458
    Mint 20.2
       #8
      My Computer

  9. tony359's Avatar
    Posts : 83
    Windows 10 Pro
    Thread Starter
       #9

    Thank you!
      My Computer

  10. tony359's Avatar
    Posts : 83
    Windows 10 Pro
    Thread Starter
       #10

    Hi,

    I cannot update the existing installation, Windows setup says that I have to run windows first and run the setup from there. If I go on with the custom installation it will install a fresh copy and move the old installation to another folder.

    Again, Windows 10 is not my main OS so I could start afresh but is there a way to troubleshoot and see what's wrong with that? Why cannot I see the boot log file?

    Thank you for all your help so far.
      My Computer


 
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