Windows 10: "Reboot and select proper boot device" issue

Discus and support "Reboot and select proper boot device" issue in Windows 10 BSOD Crashes and Debugging to solve the problem; Hello guys! When turning on my computer today, I had to face a BSOD with the error name being "System Thread Exception not Handled", which prevented... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Bartholy, Mar 3, 2016.

  1. Bartholy Win User

    "Reboot and select proper boot device" issue


    Hello guys!

    When turning on my computer today, I had to face a BSOD with the error name being "System Thread Exception not Handled", which prevented me from launching Windows 10 in either way. So I rebooted my computer on my Linux Mint partition in order to look on the internet the solution to this error. I then created a USB bootable with Windows 10, so I can access to the troubleshoot kits. However, when I launched my computer again on my USB key, I found myself in front of a black screen with words saying "Reboot and select proper boot device".

    Things get quite weird from now, because when I try to boot from my SSD where Windows 10 is installed, I no more have the previous BSOD, but always and always this black screen with the same message. I do not know how to do now in order to access to Windows 10 again, and that's why I'm begging you now to give me some advice for my situation.

    Unfortunately, being unable to access to Windows 10, I can't give you a DM Log Collector. I hope it will still be okay.

    :)
     
    Bartholy, Mar 3, 2016
    #1
  2. D.Tre Win User

    Reboot and Select proper Boot device issue

    OK, here is the frustrating part with all of this. I turned the computer on to check the command line, as I had tried the other steps already and it boots up. Finishes off an update and boots I to windows without a problem.

    It's 2am and this has been going on since I turned it on at 10am the previous morning.

    Sorry if this doesn't help anyone else and thanks for the steps above.
     
    D.Tre, Mar 3, 2016
    #2
  3. Reboot and Select proper Boot device issue

    Hi Tre,



    Thank you for your response with the current status of the issue.

    To assist you better, please provide the information:

    1. What is the exact current status of the issue? Are you able to boot to the System?

    2. Are you getting any error message?

    3. Have you created any System Restore point of the Computer prior to the issue?

    Reply to us with the information, so that we can assist you better.

    Let us know if you need any further assistance on Windows related issues and we will be glad to help.
     
    Nyima Yonten, Mar 3, 2016
    #3
  4. axe0 New Member

    "Reboot and select proper boot device" issue

    Please check in your BIOS what the boot order is, prefered via a photo
    How to upload files
     
    axe0, Mar 4, 2016
    #4
  5. Bartholy Win User
    Here is the picture showing my boot order


    "Reboot and select proper boot device" issue [​IMG]


    The Corsair Force 3 SSD is the one Windows 10 is installed in; the UEFI one is my Linux Mint partition and the last one is the CD Reader.
     
    Bartholy, Mar 4, 2016
    #5
  6. axe0 New Member
    Have you booted at least 1 time earlier from the USB you used without any problems (is it bootable)?
     
    axe0, Apr 5, 2018
    #6
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"Reboot and select proper boot device" issue

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