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  1.    01 Oct 2017 #1
    Join Date : Oct 2017
    Posts : 5
    Windows 10

    Shut down, System Restore, Reboot Issue


    Lately I am having an issue when doing a proper shutdown or reboot from a working desktop.
    Every time I shut down or reboot, My laptop starts to boot, shuts down automatically and reboots to Automatic Repair.
    Automatic repair fails after diagnosing.

    I have tried all the standard bootrec /fix commands but it boots, starts to load shuts down and reboots to automatic repair and fails again after diagnosing.I am getting a [1] c:\Windows option when I enter the rebuildbcd command and get the error message of "cannot find system device".

    I can do a system restore and it boots just fine.
    I cannot get into safe mode because if I reboot, it goes directly to the above mentioned boot mode.
    I cannot identify any drivers causing the issue. I have looked at device manager and suspect one of two drivers that might be the cause. One is the synaptics trackpad driver and the other is a microsoft bluetooth device that i don't recognize.
    I can uninstall them however if I reboot, right back to the failed automatic repair after diagnosing.

    I can always get back in with a system restore.

    Any help tracking down this reboot issue would be appreciated.
    Last edited by BobbyG; 01 Oct 2017 at 15:13. Reason: additional description
      My ComputerSystem Spec
  2.    01 Oct 2017 #2
    Join Date : Oct 2017
    Posts : 460
    Windows 10 Pro 64-bit

    Please open Command Prompt as a administrator and type following command:

    Code:
    Chkdsk C: /r
    You will be prompted to schedule a error checking type Y and press Enter key. Reboot your computer.
      My ComputerSystem Spec
  3.    01 Oct 2017 #3
    Join Date : Oct 2017
    Posts : 5
    Windows 10
    Thread Starter

    I have tried SFC, Chkdsk, bootrec and none of them work especially if they require a reboot. I am pretty convinced the issue is the rebuildbcd command error is at the root of the problem, I just don't know the command(s) to repair that error.
      My ComputerSystem Spec
  4.    01 Oct 2017 #4
    Join Date : Oct 2017
    Posts : 460
    Windows 10 Pro 64-bit

    Type the following commands at the Windows RE command prompt:

    • c:
    • bcdedit /export C:\BCD_Backup
    • cd boot
    • attrib bcd -s -h -r
    • ren c:\boot\bcd bcd.old
    • bootrec /RebuildBcd




    Please replace partition letter C: with Windows installed partition letter. When computer boots into Windows Recovery Environment (WinRE) environment the drive letter assign to Windows partition may not be C: drive letter because Windows 7, 8 , 8.1 and 10 creates a separate system partition when it's installed from scratch. The system partition contains boot files WinRE assigns the system partition the C: drive letter and the Windows installed partition will be assign any other drive letter usually D: drive letter is assign to Windows installed partition. The Bcdedit /enum | find "osdevice" command can be use to find out the drive letter of the Windows installed partition the output of the Bcdedit command is similar to this osdevice partition=D:. The drive letter after partition= is the drive letter of the Windows partition.
      My ComputerSystem Spec
  5.    02 Oct 2017 #5
    Join Date : Jan 2015
    UK, Midlands
    Posts : 11,002
    Win 10 Pro (1703)

    I can do a system restore and it boots just fine.
    I cannot get into safe mode because if I reboot, it goes directly to the above mentioned boot mode.
    Just to test an assumption that something corrupts your system in some manner if you boot normally... try this sequence.
    Run System Restore as you have been doing.
    Boot to the lock screen, then at the login screen do not log in.
    Instead, click the power button bottom right, then SHIFT + left click Restart and see if you can then boot to Safe Mode.

    If you can, that suggests the assumption is true, as you've not run start-ups or connected to the internet.
      My ComputerSystem Spec
  6.    02 Oct 2017 #6
    Join Date : Oct 2017
    Posts : 5
    Windows 10
    Thread Starter

    Thanks to both of you. I will try both of these this evening. I found this in the SrtTrail.txt log file. Boot critical file C:\WINDOWS\System32\drivers\ACPI.sys is corrupt. Any ideas on this?
      My ComputerSystem Spec
  7.    02 Oct 2017 #7
    Join Date : Oct 2017
    Posts : 460
    Windows 10 Pro 64-bit

    If you can boot into Windows OS open the command prompt as administrator and execute following command.

    Code:
    Sfc /Scannow
    This command tool will try to repair any corrupted system files.


    If you cannot boot into Windows OS boot your computer with Windows Setup Media and from Windows Recovery Environment start the Command Prompt.

    Please type below command into Command Prompt and press Enter key.

    The following command scans integrity of all protected Windows system files and repairs files with problems when possible.

    Code:
    Sfc  /Scannow   /OFFBOOTDIR=D:\   /OFFWINDIR=D:\Windows


    Please replace partition letter D: with Windows installed partition letter. When computer boots into Windows Recovery Environment (WinRE) environment the drive letter assign to Windows partition may not be C: drive letter because Windows 7, 8 , 8.1 and 10 creates a separate system partition when it's installed from scratch. The system partition contains boot files WinRE assigns the system partition the C: drive letter and the Windows installed partition will be assign any other drive letter usually D: drive letter is assign to Windows installed partition. The Bcdedit /enum | find "osdevice" command can be use to find out the drive letter of the Windows installed partition the output of the Bcdedit command is similar to this osdevice partition=D:. The drive letter after partition= is the drive letter of the Windows partition.
      My ComputerSystem Spec
  8.    02 Oct 2017 #8
    Join Date : Apr 2017
    Posts : 8,703
    windows 10 professional version 1607 build 14393.969 64 bit

    @FreeBooter do you have some good sources to learn the commands?

    If the partition is on D how would you change these commands?


    • c:
    • bcdedit /export C:\BCD_Backup
    • cd boot
    • attrib bcd -s -h -r
    • ren c:\boot\bcd bcd.old
    • bootrec /RebuildBcd


    which c remain the same and which c are changed to d?

    What happens if the sequence does not have cd boot and has this sequence:

    bootrec /fixmbr
    bootrec /fixboot
    bcdedit /export c:\bcdbackup
    attrib c:\boot\bcd -h -r -s
    ren c:\boot\bcd bcd.old
    bootrec /rebuildbcd
    y

    If the operating system were windows 7 instead of windows 10 would anything change?
    On windows 7 are there separate partitions for boot and system? If so how would the above commands change?
      My ComputerSystem Spec
  9.    02 Oct 2017 #9
    Join Date : Oct 2017
    Posts : 5
    Windows 10
    Thread Starter

    zbook, you will need to determine which partition that windows is installed on you can experiment by typing cd c: then type dir if windows isn't there then change to cd d: then type dir. Whichever drive windows is on, you will need to change to that drive and use that letter in the commands.

    It has been awhile since I used DOS commands you may just need to type c:\ or d:\ with no cd
      My ComputerSystem Spec
  10.    02 Oct 2017 #10
    Join Date : Apr 2017
    Posts : 8,703
    windows 10 professional version 1607 build 14393.969 64 bit

    If rebuildbcd displays:

    Scanning all disks for windows installations.
    Please wait...
    Successfully scanned Windows Installations.
    Total identified Windows Installations: 0
    The operation competed successfully.

    What would be the interpretation and the next step?
      My ComputerSystem Spec

 
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