Windows 10: Windows 10 installed but it is not there

  1.    22 Feb 2016 #1

    Windows 10 installed but it is not there


    I upgraded to Windows 10 from 8.1 on my Sony vaio laptop. It downloaded OK then started installation which took an hour or so and then I got my startup window with no message of any kind. The Home screen looked the same and when I checked I still have 8.1. What happened?
      My ComputerSystem Spec


  2. Posts : 2,332
    64bit Win 10 Pro ver 1703 Build 15063.296
       22 Feb 2016 #2

    Hello pchoho,

    This scenario can occur when during the installation some aspect of the W10 update fails and so it reverts back to your previous windows version. Have a look at your update history to see if there are any messages or error codes.
      My ComputerSystem Spec

  3.    22 Feb 2016 #3

    Hi philc43,
    Thanks for prompt reply. Have checked history and I see it failed with error C1900101. Searching Microsoft portal for help on this but haven't found anything yet!
      My ComputerSystem Spec


  4. Posts : 14,928
    Microsoft Windows 10 Pro 64-bit 14393, Windows 10 Insider Fast Ring, Windows 8.1 Update, Ubuntu
       22 Feb 2016 #4

    Does it also have a 0x2000B or something similar?
    It should read for example C1900101 0x200017.
    For upgrade / update error codes and their meaning go here: https://support.microsoft.com/en-us/kb/3107983
      My ComputersSystem Spec

  5.    22 Feb 2016 #5

    There is no extension on the error code in my history file
      My ComputerSystem Spec


  6. Posts : 14,928
    Microsoft Windows 10 Pro 64-bit 14393, Windows 10 Insider Fast Ring, Windows 8.1 Update, Ubuntu
       22 Feb 2016 #6

    pchoho said: View Post
    There is no extension on the error code in my history file
    Look at Reliability History in Control Panel\All Control Panel Items\Security and Maintenance\Reliability Monitor
    Then right click the error and see if you can find the complete error code.
    Click image for larger version. 

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      My ComputersSystem Spec

  7.    22 Feb 2016 #7

    System slightly different. Security and maintenance is in Action centre but can't find Reliability monitor.
    OK found it but different and no info'
      My ComputerSystem Spec


  8. Posts : 14,928
    Microsoft Windows 10 Pro 64-bit 14393, Windows 10 Insider Fast Ring, Windows 8.1 Update, Ubuntu
       22 Feb 2016 #8

    pchoho said: View Post
    System slightly different. Security and maintenance is in Action centre but can't find Reliability monitor.
    OK found it but different and no info'
    It was a shot. I have forgotten that it's called something different. One of the big improvements with Win10 is all real errors and updates(WU or from store) are shown, not like in Win7 & 8.
      My ComputersSystem Spec

  9.    22 Feb 2016 #9

    Thanks for trying! It looks as though it is probably a driver issue and I will pursue that.
      My ComputerSystem Spec


  10. Posts : 26,465
    Windows10Pro 64Bit - Build 14393.1198
       22 Feb 2016 #10

    pchoho said: View Post
    Thanks for trying! It looks as though it is probably a driver issue and I will pursue that.
    Yes it could be a driver issue....or a AV issue, some AV programs should be uninstalled before upgrading to Windows 10, as they can interfere with the upgrade process.
      My ComputersSystem Spec


 

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