C:\boot missing

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  1. Posts : 52
    Windows 10
       #1

    C:\boot missing


    HP Pavilion running Windows 10 Home
    I started a HP update which never finished, that is an issue for HP. Anyway after I finally powered down my laptop. Upon turning it back on it will not boot. I get the spinning dots and they never go away.
    I happen to be on a trip so I never had a chance to diagnosis the problem until now. I really do not want to have to reinstall windows as then I will need to reinstall all my programs and data. I started thinking maybe my MBR got screwed up by the HP update so I found some instructions on rebuilding it. In doing the second command Bootrec /fixBoot I get "Access is denied". I am using the Administrator account so I do not understand why I do not have access to this command.
    How do I rebuild my c:\boot directory as it is missing and get my PC to reboot.
    Any and all help is appreciated.
    I am going to keep looking for a solution and if I find one I will post it here for others.
    Thank you in advance.
      My Computer


  2. Posts : 8,057
    windows 10
       #2

    If windows isnt loading how are you doing bootrec? is the drive a MBR or uefi? can you get to a cmd prompt and try a system restore https://blog.pcrisk.com/general-info...command-prompt
      My Computer


  3. Posts : 18,424
    Windows 11 Pro
       #3

    The computer should not be booting from C:\Boot.
      My Computer


  4. Posts : 52
    Windows 10
    Thread Starter
       #4

    Samuria said:
    If windows isnt loading how are you doing bootrec? is the drive a MBR or uefi? can you get to a cmd prompt and try a system restore https://blog.pcrisk.com/general-info...command-prompt
    I can hit the esc key during the boot and get into system recovery menu. No safe mode available. I did do a system restore to a saved restore point, no help.
      My Computer


  5. Posts : 52
    Windows 10
    Thread Starter
       #5

    NavyLCDR said:
    The computer should not be booting from C:\Boot.
    I found the following instructions:
    BCDedit /export C:\BCD_Backup
    C:
    CD boot
    Attrib BCD -s -h -r
    Ren C:\boot\bcd bcd.old
    Bootrec /RebuildBcdWhen I do cd boot I get
    The system cannot find the path specified
    .
    And when I doBootrec /RebuildBcd it tells me
    Total identified Windows installations: 0
    This just gets better ad better.
      My Computer


  6. Posts : 18,424
    Windows 11 Pro
       #6

    You probably need to rebuild your entire system partition. In the command prompt run the following commands and post the results back:

    diskpart
    select disk 0
    list part
    list vol

    Code:
    C:\Windows\system32>diskpart
    
    Microsoft DiskPart version 10.0.17763.1
    
    Copyright (C) Microsoft Corporation.
    On computer: JOHN-LAPTOP
    
    DISKPART> select disk 0
    
    Disk 0 is now the selected disk.
    
    DISKPART> list part
    
      Partition ###  Type              Size     Offset
      -------------  ----------------  -------  -------
      Partition 1    System             100 MB  1024 KB
      Partition 2    Reserved            16 MB   101 MB
      Partition 3    Primary            476 GB   117 MB
    
    DISKPART> list vol
    
      Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
      ----------  ---  -----------  -----  ----------  -------  ---------  --------
      Volume 0     C                NTFS   Partition    476 GB  Healthy    Boot
      Volume 1                      FAT32  Partition    100 MB  Healthy    System
      Volume 2     D   Data         NTFS   Partition    460 GB  Healthy
      Volume 3     E   Android-x86  NTFS   Partition      8 GB  Healthy
      Volume 4     R   RECOVERY     FAT32  Partition      8 GB  Healthy
    
    DISKPART>
      My Computer


  7. Posts : 52
    Windows 10
    Thread Starter
       #7

    NavyLCDR You probably need to rebuild your entire system partition. In command prompt run the following commands and post the results back:
    Not what I wanted to hear.
    I have no way to get the screen shot from my windows PC to this PC (running UBUNTU) so this will not be pretty.
    diskpart version is 10.0.17134.1

    list part came back with:
    Partiton ### Type size Offset
    ------------------ --------------------- -------- ---------------
    Partition 1 System 2 260MB 1024KB
    Partition 2 Reserved 16MB 261MB
    Partition 3 Primary 914GB 277MB
    Partition 4 Recovery 980MB 914GB
    Partition 5 Primary 15GB 915GB

    List vol came back with:
    Volume ### Ltr Label Fs Type Size Status Info
    ----------------- --- ------------------- ----- ------------- --------- ---------- ------------
    Volume 0 E DVD-ROM 0 B No Media
    Volume 1 C Windows NTFS Partition 914GB Healty
    Volume 2 F Windows RE NTFS Partition 980MB Healty
    Volume 3 D RECOVERY NTFS Partition 15GB Healty
    Volume 4 FAT32 Partition 260MB Healty Hidden

    Hope that is what you are looking for.
      My Computer


  8. Posts : 18,424
    Windows 11 Pro
       #8

    In your command prompt, run the following commands. If any of the commands fail, stop and post which one failed:
    diskpart
    sel dis 0
    sel par 1
    del par override
    cre par EFI
    for fs=FAT32 quick
    assign letter=T
    exit
    bcdboot C:\Windows /s T: /f ALL
    exit

    Then reboot the computer.
      My Computer


  9. Posts : 52
    Windows 10
    Thread Starter
       #9

    NavyLCDR said:
    In your command prompt, run the following commands. If any of the commands fail, stop and post which one failed:
    diskpart
    sel dis 0
    sel par 1
    del par override
    cre par EFI
    for fs=FAT32 quick
    assign letter=T
    exit
    bcdboot C:\Windows /s T: /f ALL
    exit

    Then reboot the computer.
    I did not check this tread and I started the reinstall of windows with the option not to erase my data. Wish I had checked here first. The reinstall is almost doe then I can start reinstalling all my apps.

    Thanks for your help.
      My Computer


  10. Posts : 52
    Windows 10
    Thread Starter
       #10

    The reinstall of windows worked and now things like windows mail works again (it had not worked for months). I am going to start reinstalling my apps tomorrow.
    Thank you for your time in helping me.
      My Computer


 

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