1. Joined : Dec 2016
    Posts : 3
    Windows 10
       3 Weeks Ago #1

    Windows 10 stuck, in windows defender check at boot (infinite loop)


    Good evening!

    I recently started using my older laptop which has windows 10. I restarted my laptop after normal use and it started doing automatic repair. Windows defender check up starts running every single time. Sometimes it finished and sometimes it doesn't. Every time after the completed or failed check up, the laptop restarts and does it again (~15 times now).

    - Windows 8.1 installation disk has been inside the machine for last three hours (~5 restarts)
    - USB-stick with windows 10 installation media made with rufus has been plugged for almost the same duration.

    DVD-drive starts up during restart, but the installation doesn't start
    Laptop doesn't react USB boot device. (Device works since I've tested it on this PC and used same device on this PC).

    I've installed windows to various PC's several times including the laptop in this case, so I have knowledge of the basic installation procedures. The laptop doesn't react to boot devices and BIOS can't be accessed via hotkeys during boot.

    I've been browsing forums and web pages for last three hours and haven't found any working solution.

    Any advice or stuff I should try?
      My System SpecsSystem Spec


  2. Joined : Aug 2016
    Posts : 344
    Windows 10 Home
       3 Weeks Ago #2

    villevanille,

    Welcome to Ten Forums!

    These may be factors:
    Windows 8.1 installation disk has been inside the machine for last three hours (~5 restarts)
    Aren't you trying to work with Windows 10? Why would you have an W8.1 installation CD in the drive?

    USB-stick with windows 10 installation media made with rufus has been plugged for almost the same duration.
    (Rufus is not considered a very reliable way to prepare a USB flash drive that will boot.)

    You also need to select the drive from which to boot in the Boot Order section of the BIOS.

    To engage in the process again , you may want to consider the following:
    Repair Install Windows 10 with an In-place Upgrade

    Use Option 6, and save your files/settings.
      My System SpecsSystem Spec


  3. Joined : Dec 2016
    Posts : 3
    Windows 10
       3 Weeks Ago #3

    Thanks for the reply!

    cottonball said: View Post
    Windows 8.1 installation disk has been inside the machine for last three hours (~5 restarts)
    Aren't you trying to work with Windows 10? Why would you have an W8.1 installation CD in the drive?
    I wanted to try installing windows 8.1 as a last resort, because installing windows 10 didn't work.

    cottonball said: View Post
    USB-stick with windows 10 installation media made with rufus has been plugged for almost the same duration.
    (Rufus is not considered a very reliable way to prepare a USB flash drive that will boot.)

    I forgot to mention that I also tried making a boot media with Microsoft's own tool (same as in your link). No success.


    cottonball said: View Post
    You also need to select the drive from which to boot in the Boot Order section of the BIOS.
    As I mentioned in my original post, BIOS can't be accessed. I have tried accessing it for hours and dozens of start ups.

    Since the laptop doesn't have so much value to me, I will try removing the hard drive and force it to start up to BIOS. Removing the possibility of Windows running the offline defender during boot, seems to be the only solution at the moment...

    I'll be back with results.
      My System SpecsSystem Spec


  4. Joined : Dec 2016
    Posts : 3
    Windows 10
       3 Weeks Ago #4

    I removed the HDD from the laptop, plugged it to my main PC, erased it with CCleaner and put it back to the laptop. Windows 10 installation process started normally from USB media, on second try.

    - Ville
      My System SpecsSystem Spec


  5. Joined : Aug 2016
    Posts : 344
    Windows 10 Home
       3 Weeks Ago #5

    Glad you got the hard drive working!

      My System SpecsSystem Spec


 


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