Step To Recover Windows 8, 8.1, 10 Boot (BCD) EFI, UEFI

This post help you to recover bootable Windows partition and any case:

• Boot Windows Setup (Either from DVD or USB Stick)
• Select language and click next until you get option "Repair Windows"
• Click on Repair Windows, Choose Troubleshoot > Advanced Options > Command Prompt
• Write diskpart to open it and write following commands:
• LIST DISK  (here you get the id of your internal hard disk. Maximum case it is: 0 {zero})
• SELECT DISK 0
   (replace 0 with your internal disk id if it is not zero)
• LIST PARTITION
   (here you see all the partition of your internal hard disk)
  
  {Note for beginners: If you see the Partition 1 which is of type "SYSTEM" and size less than 500 MB then it is Windows Bootable Partition and you have to  follow step (c) or if you dont see any small partition( > 500 MB) then follow step (a).}
  
• (a) If bootable partition is deleted and unallocated space is there then perform following operation.
   
• Write following commands to create a bootable efi partition:
• CREATE PARTITION EFI
• FORMAT fs=fat32
• Your EFI Windows Bootable Partition is created and now follow step (c)
  
• (b) If no space unallocated for bootable partition then you have to shrink your drive and make a small partition. Follow these steps:
  
• Write following commands to shrink your Windows Installation Disk and create a Windows Bootable Partition:
• SELECT PARTITION 1(Select your Windows Installation Partition and replace 1 with your ones if your Windows partition id is not 1).
• SHRINK desired=200
• CREATE PARTITION EFI
• FORMAT fs=fat32
• Your EFI Windows Bootable Partition is created and now follow step (c).
  
• (c) If you have Windows Bootable Partition but it is corrupted or empty or newly created with previous steps.
  
• Write these commands:
• LIST PARTITION
• SELECT PARTITION X(Where X is your Bootable Partition Partition ID replace with your ones.)
• Write these commands to format (If you not formatted yet):
   FORMAT fs=fat32
• Assign a drive letter to your partition by writing following commands:
  assign letter=M:
• Then exit the diskpart by writing:
  exit
• Now write following commands to create a BCD store to your Windows Bootable Partition:
  bcdboot c:\Windows /s M: /f UEFI
• Congratulation, you successfully created BCD Store. Now you can boot Windows.

Note: We are not responsible for any damage to your computer. Use it on your own risk.

#tags: Windows Bootable Recovery, Windows BCD Recovery, Windows EFI Partition  Recovery