HELP - Stuck at logon screen after last Win10 update

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  1. Fon
    Posts : 5
    Windows 10
       #1

    HELP - Stuck at logon screen after last Win10 update


    I cannot even use any of the Troubleshooting options...all of them do nothing, just black screen, until I switch off the pc again.

    I cannot even enter bios with the usual key (Del), but the keyboard lookslike is working (capitals key light is working at least).

    Questions:

    1. How to force acces to bios if the usual key is not working?

    2. If I install Windows10 again (or Reset), I will be able to use Macrium Reflect backed up images, even if the reset removes my installed apps (=I will have to reinstall Macrium)

    Thanks in advance
      My Computer

  2. dalchina's Avatar
    Posts : 31,848
    Win 10 Pro (1903)
       #2

    2. If I install Windows10 again (or Reset), I will be able to use Macrium Reflect backed up images, even if the reset removes my installed apps (=I will have to reinstall Macrium)
    If you need to restore an image, you could create Macrium bootable drive on another PC and boot from that.. That's assuming your image was of Windows (all necessary partitions) and not just 'C: '.

    (However, even if you only imaged your Windows partition, there's still a way to make use of that).
      My Computers


  3. Fon
    Posts : 5
    Windows 10
    Thread Starter
       #3

    Yes, the problem is I cannot even enter bios to boot from the usb...
      My Computer

  4. dalchina's Avatar
    Posts : 31,848
    Win 10 Pro (1903)
       #4

    Thank you for confirming that.

    Unless the CMOS battery needs replacing, sounds like a hardware problem.

    What exactly happens when you power up? Do you see anything on the screen? Hear anything?

    Is yours a desktop? Laptop? No specs...
      My Computers

  5. Kyle's Avatar
    Posts : 215
    Windows 10 20H2 OS Build 19042.928
       #5

    If you could; record the system booting up on a phone (try to record it in HD) and upload it in a post or something? Although it does sound like an installation/update corruption it may very well not be. Still, if you have access to another system (friend/family) you can download a copy of Windows 10 from Microsoft, burn it to a DVD and get into the Windows installation like that. Usually when a Windows installation DVD is detected it'll ask if you want to boot from it before it begins the boot up for Windows.
      My Computer


  6. Fon
    Posts : 5
    Windows 10
    Thread Starter
       #6

    Desktop.

    Everything was ok until the windows 10 update.

    When I power on its just a black screen until windows logon.

    Before the update was the same, but I could enter bios with usual key (del)...

    Now no key is working to enter bios (I've tried also F2,F8,F10...
      My Computer

  7. Kyle's Avatar
    Posts : 215
    Windows 10 20H2 OS Build 19042.928
       #7

    Could you give us some specs? Motherboard, CPU, Video card, etc? Burning an installation disc also has troubleshooting within it for recovery. You may be able to perform a "Boot repair".

    How to use Startup Repair to fix boot problems with Windows 10 | Windows Central
    How to Boot or Repair Windows 10 using the Installation Media
      My Computer

  8. dalchina's Avatar
    Posts : 31,848
    Win 10 Pro (1903)
       #8

    Thank you for confirming it still boots to a logon screen. I thought you meant it wasn't getting that far.

    What sort of keyboard are you using? How is it connected? Specs please- see mine for comparison. Tutorial available if needed.

    Example:

    Can't Access BIOS Setup with F2 Key for Intel(R) NUC

    Try disabling fast startup, then try accessing BIOS again.


      My Computers


  9. Fon
    Posts : 5
    Windows 10
    Thread Starter
       #9

    Ok, thanks for the help.

    I am trying to disable Fast boot, but after pressing power button for 3 secondsnothing appears, just the usual boot.

    - - - Updated - - -

    Specs:

    I'm using a Cherry usb keyboard.

    Gigabyte motherboard B85M-HD3

    Intel core i5

    16GB RAM

    Win10 Pro 64bits
      My Computer

  10. dalchina's Avatar
    Posts : 31,848
    Win 10 Pro (1903)
       #10

    Not Fast Boot, Fast Startup.

    HELP - Stuck at logon screen after last Win10 update-snap-2019-08-31-21.25.07.png

    Cherry usb keyboard.
    - perhaps the usb port/driver aren't ready in time for the key press..?

    MBO seems to be from around 2014.. not so old..
      My Computers


 
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