Windows 10: Computer doesn't boot after the last Insider

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  1.    16 Feb 2018 #1

    Computer doesn't boot after the last Insider


    My computer will not boot after installing the latest Insider preview. When it starts it shows Asus logo and then restarts itself, and it keeps going. I have disabled Fast boot and virtualization in Bios. Did not help.
    Any ideas?

    Thanks
      My ComputerSystem Spec


  2. Posts : 16,304
    windows 10 professional version 1607 build 14393.969 64 bit
       16 Feb 2018 #2

    If the troubleshooting steps are successful treat the results as fragile and perform the following steps:
    a) Make a brand new restore point
    b) Backup all files to another drive or to the cloud
    c) Make a backup image using Macrium or Acronis or similar software:
    https://www.macrium.com/reflectfree
    Disconnect the computer from the internet:
    a) If a hardware off is available please use it to turn wireless off. Otherwise used software off.
    b) Disconnect all cables (Ethernet/cat5e/LAN)
    1) Find a flash drive that you can format ( > or = 8 GB)
    2) Create a bootable Windows 10 iso:
    https://www.microsoft.com/en-us/software-download/windows10
    3) Insert the flash drive with the bootable windows 10 iso into any USB port
    4) Power on the computer and repetitively click the F8 key to boot to the bios boot menu
    5) Select external USB hard drive
    6) It may take 5 -10 minutes for the iso to load while viewing the Windows icon
    7) Choose language, time, currency, and keyboard or click next
    8) Do not click install
    9) In the left lower corner click repair your computer
    10) Click troubleshoot
    11) Click system restore > start with the oldest restore point and attempt repair with every restore point moving toward the newest restore point. If system restore fails or if there were no restore points move to the next step.
    12) Attempt startup repair. If startup repair fails move to the next step.
    13) Click command prompt > Administrator: X:\Windows\System32\cmd.exe > X:\Sources:>
    14) For all of these steps please use a camera or smart phone camera to post images of the commands and the results into the thread. These images with the command and the result will provide information that may be useful
    14) type: C:
    15) type: dir
    16) type: D:
    17) type: dir
    18) type: X:
    19) type: type diskpart
    20) type: list disk
    21) type: list volume
    22) type: select disk 0
    23) type: list partition
    24) type: exit
    25) type: bcdedit /enum
    26) type: bcdedit | find "osdevice"
    27) type: DISM /image:G:\ /cleanup-image /revertpendingactions (change G to the applicable drive letter for the partition drive letter seen in the earlier steps: partition=?) ( There is a space between \ / )
    28) reboot and reopen command prompt if it does not boot to desktop.
    29) type: chkdsk /f /r G: (change the drive letter G to the partition drive letter from the osdevice command)
    This may take time to complete. If the command is able to proceed it typically will display an estimated time.
    30) reboot and reopen command prompt if it does not boot to desktop.
    31) type: sfc /scannow /offbootdir=G:\ /offwindir=G:\windows (change the drive letters G to the partition drive letter seen in the find osdevice command.
    32) type: bootrec /fixmbr
    33) type: bootrec /fixboot
    34) type: bootrec /scanos
    35) type: bootrec /rebuildbcd
    36) reboot
    37) If the commands are successful to fix the inaccessible boot device consider the repair fragile and perform the following steps:
    a) Make a brand new restore point
    b) Backup all files to another drive or to the cloud
    c) Make a backup image using Macrium or Acronis or similar software:
    https://www.macrium.com/reflectfree
    38) Please make sure to use a camera or smart phone camera to take pictures and post images into the thread.
    39) There are more commands to fix the boot problem and they will depend on the results of the above commands.
      My ComputerSystem Spec


  3. Posts : 11,818
    Windows 10 (Pro and Insider Pro)
       16 Feb 2018 #3

    zolotoy said: View Post
    My computer will not boot after installing the latest Insider preview. When it starts it shows Asus logo and then restarts itself, and it keeps going. I have disabled Fast boot and virtualization in Bios. Did not help.
    Any ideas?

    Thanks
    Do you have any bootable USB drive? If you don't, make one.

    boot from USB, after languages, choose repair this pc and select troubleshoot

    Good tool to fix this kind of trouble is Macrium reflect USB WinPE, Boot from it and select fix boot problems
      My ComputerSystem Spec


  4. Posts : 11,818
    Windows 10 (Pro and Insider Pro)
       16 Feb 2018 #4

    @zolotoy

    One more thing.. if you have any kind of fast start options in UEFI / Bios. Turn it off
      My ComputerSystem Spec


  5. Posts : 11,818
    Windows 10 (Pro and Insider Pro)
       16 Feb 2018 #5

    zolotoy said: View Post
    My computer will not boot after installing the latest Insider preview. When it starts it shows Asus logo and then restarts itself, and it keeps going. I have disabled Fast boot and virtualization in Bios. Did not help.
    Any ideas?

    Thanks
    You've probably seen this before, but this is a bug in current release…

    windows-10-insider-preview-build-17101-fast-build-17604-skip-ahead-post1298610.html#post1298610
      My ComputerSystem Spec

  6.    16 Feb 2018 #6

    If your PC aTower/Desktop:
    1. Power down PC
    2. Remove all external wires from system
    2. Open PC cover to access motherboard
    3. Ground yourself to prevent static shock
    4. Remove small system battery
    5. Hit power button to discharge system and replace battery and reconnect everything.

    The problem is that the error is locked in the memory causing system to go in a loop to self diagnostic and it will not allow you to boot up or reinstall Windows 10 Insider program.

    Windows 10 insider program is Beta and extremely buggy causing this problem.

    The same goes for laptops:
    1. Unplug laptop
    2. Remove battery
    3. Hit power button to discharge system
    4. Replace battery and plug then boot system.
      My ComputerSystem Spec


  7. Posts : 19,463
    Windows 10 Insider Preview Build 17083
       16 Feb 2018 #7

    I didn't need to do any of that.

    I just turned off Fast Startup and it now boots like it should. Bug in Fast Startup.


    Turn On or Off Fast Startup in Windows 10 Windows 10 Tutorials


    Last edited by Wynona; 16 Feb 2018 at 21:46.
      My ComputerSystem Spec


  • Posts : 19,463
    Windows 10 Insider Preview Build 17083
       16 Feb 2018 #8

    AndreTen said: View Post
    Do you have any bootable USB drive? If you don't, make one.

    boot from USB, after languages, choose repair this pc and select troubleshoot

    Good tool to fix this kind of trouble is Macrium reflect USB WinPE, Boot from it and select fix boot problems
    Andre, so far, WinPE can't fix the boot problem; I've tried it numerous times. The only thing that helped me is to disable Fast Startup. However, having said that, it doesn't seem to help everyone.

    Turn On or Off Fast Startup in Windows 10 Windows 10 Tutorials
      My ComputerSystem Spec


  • Posts : 19,463
    Windows 10 Insider Preview Build 17083
       17 Feb 2018 #9

    Folks, with regard to installing 17093 and/or 17101, whether it's an update or clean install, and your computer won't boot afterwards, here are some "solutions"; mine and some I found on the Feedback Hub that might solve your issue. It seems the solutions are all over the map.

    First, my solution: I just went into Settings>System>Power & Sleep> Additional Power Settings (on the right side of your screen)>Choose What the Power Buttons Do>Change Settings That are Currently Unavailable>and finally clear the checkbox on Fast Startup.

    This worked for me, but doesn't seem to work for everyone.

    Another solution from a member guru trying to help me privately; from the menu, right click Windows PowerShell then click Run as Administrator. When it comes up, type in the following command Powercfg -h off. This will disable both hibernation and Fast Startup.

    And now, here are the possible solutions I picked up from Feedback. I copied them exactly as they were, with no alterations on my part. I'll leave it up to those more savvy than I to figure out what the OPs meant:

    1. UPDATE: I finally fixed it and now my computer boots properly.
    Put Windows 10 setup USB and click repair my PC.

    then go to troubleshoots and open CMD and insert

    bootrec.exe /fixmbr

    and shutdown completely. Then your computer should boot up properly.

    enjoy

    2. Mine Bootloop fixed: Settings > Update & Security > Troubleshoot > Hardware & Devices > Run troubleshooter. That's it.

    In case you can't boot > keep pressing to start Windows in troubleshoot/safe mode by pressing F11 or F12 (don't remember which one was that) or alternatively keep pressing both from power on onwards. All menu options will fail. Take exit to windows or similar option and you are good to go. Once inside, try troubleshoot option as above.

    3. I just cmd in with iso, and bootrec.exe /fixmbr

    4. This is what seams to have fixed it for me permanently:

    Boot from USB Drive, startup repair (fails), reboot works fine.
    Than on command prompt: powercfg -h off

    That did fix it so far, the disable "fastboot" option did only fix it for a couple of boots, but this seams to have done the trick
    --------------------
    Sorry about the different fonts and sizes, but when you copy and paste, that's what you get. I also think some were confused and got the boot loop issue confused with the no-boot issue. Your mileage may vary ...
      My ComputerSystem Spec


  • Posts : 11,818
    Windows 10 (Pro and Insider Pro)
       17 Feb 2018 #10

    Wynona said: View Post
    Folks, with regard to installing 17093 and/or 17101, whether it's an update or clean install, and your computer won't boot afterwards, here are some "solutions"; mine and some I found on the Feedback Hub that might solve your issue. It seems the solutions are all over the map.

    First, my solution: I just went into Settings>System>Power & Sleep> Additional Power Settings (on the right side of your screen)>Choose What the Power Buttons Do>Change Settings That are Currently Unavailable>and finally clear the checkbox on Fast Startup.

    This worked for me, but doesn't seem to work for everyone.

    Another solution from a member guru trying to help me privately; from the menu, right click Windows PowerShell then click Run as Administrator. When it comes up, type in the following command Powercfg -h off. This will disable both hibernation and Fast Startup.

    And now, here are the possible solutions I picked up from Feedback. I copied them exactly as they were, with no alterations on my part. I'll leave it up to those more savvy than I to figure out what the OPs meant:

    1. UPDATE: I finally fixed it and now my computer boots properly.
    Put Windows 10 setup USB and click repair my PC.

    then go to troubleshoots and open CMD and insert

    bootrec.exe /fixmbr

    and shutdown completely. Then your computer should boot up properly.

    enjoy

    2. Mine Bootloop fixed: Settings > Update & Security > Troubleshoot > Hardware & Devices > Run troubleshooter. That's it.

    In case you can't boot > keep pressing to start Windows in troubleshoot/safe mode by pressing F11 or F12 (don't remember which one was that) or alternatively keep pressing both from power on onwards. All menu options will fail. Take exit to windows or similar option and you are good to go. Once inside, try troubleshoot option as above.

    3. I just cmd in with iso, and bootrec.exe /fixmbr

    4. This is what seams to have fixed it for me permanently:

    Boot from USB Drive, startup repair (fails), reboot works fine.
    Than on elevated command prompt: powercfg -h off

    That did fix it so far, the disable "fastboot" option did only fix it for a couple of boots, but this seams to have done the trick
    --------------------
    Sorry about the different fonts and sizes, but when you copy and paste, that's what you get. I also think some were confused and got the boot loop issue confused with the no-boot issue. Your mileage may vary ...
    Thanks Wynona for this sum up


    Bottom line in bold is the right answer. May be hard to get into repair menu, although System should boot into repair after three or four unsuccessful boot tries.
      My ComputerSystem Spec


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