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Window 10 won't start

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#1
technophobe

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After a recent update Windows wouldn't open on my laptop or complete autorepair. I restored to a prior date and started to work again. Another update occurred and now it wont restore, repair or even reset. Is it beyond repair?


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#2
technophobe

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I tried running sfc /scannow /offbootdir=d:\ /offwindir=d:\windows from the command prompt but got a message asking me to specify location of offline boot directory and offline windows directory


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#3
FreeBooter

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Hi technophobe

 

 

 

 

Please 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.

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.

 

 

 

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

Following command will  fixes errors on the disk and locates bad sectors and recovers readable information.


Chkdsk D: /r

 

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.

 

 

 

Please boot your computer with Windows Setup Media and from Windows Recovery Environment start the Command Prompt.

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

Following commands will repair Master Boot Record (MBR), Boot Sector and BCD Store.

Bootrec /FixMbr
Bootrec  /FixBoot
Bootrec /scanos
Bootrec  /RebuildBcd

 

 

 

 

 

 

Windows Vista/ 7/8/8.1/10 keep a regular backup of the registry handy in case you need to overwrite a corrupted registry. By default, the RegIdleBackup task runs every 10 days, so that’s as far back as you would lose if you replaced the current registry with the automatically backed-up files. You can find the backed-up registry files in \Windows\System32\config\RegBack folder.

Please 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.

Dir C:\Windows\System32\config\RegBack

Above command will list files stored within RegBack folder and there file size, make sure files are not zero size if they are do not follow below instructions.

akBT8zC.png

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.

Please type below commands into Command Prompt and for each command you have typed press Enter key.

Replace C:\Windows\System32\Config\RegBack\*     C:\Windows\System32\Config

As files are replaced, the Command Prompt displays their filenames on the screen.

This procedure assumes that Windows Vista/7/8/8.1/10 is installed to the C:\ partition. Make sure to replace C:\ drive letter to the appropriate Windows OS installed partition drive letter if it is a different location.

Above commands renames the registry files at their existing location, and then copies the registry files from the RegBack folder to the C:\Windows\System32\Config folder.


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#4
technophobe

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Hi FreeBooter

 

Thanks for the help. I tried all of the steps above and still no joy. Maybe it is not windows that is the problem


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#5
FreeBooter

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Hi technophobe

 

You could be correct as even resetting your computer wont work.

 

You should backup your data and try formatting the computer to see what happens if it wont then hard disk could be dying.


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#6
technophobe

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HI FreeBooter

 

How do I format the computer?


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#7
FreeBooter

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You will need to use the Windows 10 Installation DVD to reinstall Windows 10.

 

 

How to Format a Hard Drive

https://www.lifewire...d-drive-2626077


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