How To Repair Windows 10 Boot Partition

This walkthrough shows you how to repair windows kick partition and boot from an existing windows installation without reinstalling windows.

Recently I had an onetime server with a FAT32 organization reserved sectionalization and a bunch of actress partitions. I have already moved all the data off the server and information technology was ready for decommissioning. Before, I did this I wanted to go ahead and remove all these old partitions and just leave the C: Bulldoze with the Windows installation then rebuild the System Reserved partition as NTFS as an exercise. Many backup programs take issues doing cake level images with FAT32 partitions OR y'all demand to do a physical to virtual setup. For me, I wanted to decommission the hardware only be able to spin up this server in a virtual environment if needed.

DO Not ATTEMPT THIS IF YOU DON'T HAVE BACKUPS!!!!

Step 1: Delete old partitions and create new ones

Boot into your partition manager of choice (I used Parted Magic https://partedmagic.com/) – GParted
Delete extra partitions including the sometime FAT32 system partition (These all should exist very small between 100 MB and upwardly to 2 GB)
Create new NTFS partition with 512 MB of space and label it System Reserved
Shutdown

Step ii: Setup Partitions with the correct bulldoze letters

Launch Windows 10 Install disc / usb
Shift+F10 once you lot see language select to bring upwards command prompt
Launch "DISKPART"
select book with 512MB (ex: select vol 0)
assign letter=Grand: (or whatsoever letter that isn't taken that is NOT C:)
get out **OR **If Windows operating system is NOT on C:
select volume with windows installation on it
assign letter of the alphabet=C:
get out

instance output:

          diskpart select disk 0 list vol select vol 0 &lt;---500 MB Partition assign alphabetic character=G: select vol 1 &lt;--- Large Partition with Windows Install on information technology assign letter=C: get out

Partitions are done – now time to fix bug with the "blazon" of division – By forcing all paritions to exist NTFS NT60

bootsect.exe /nt60 all /forcefulness

Stride 3: Re-create Boot Records, Fix MBR, and Rebuild BCD

Rebuild new system reserved division with EFI and regular kick files

          bcdboot c:\Windows /s <boot letter of the alphabet of System Reserved Partion>: /f ALL bcdboot c:\Windows /south Chiliad: /f ALL

Now we can finally rebuild the bcd and chief boot record like you encounter in so many online guides
You lot tin verify the system is seeing the windows installation by doing a bootrec /scanos and then be running through the remainder of the commands to do the rest of the repairs

          bootrec /scanos <---Verify it sees the windows install bootrec /fixmbr bootrec /fixboot <----Pick the installation will mirror /scanos bootrec /rebuildbcd

Reboot and yous are done!

Video Walkthroughs

Fix Windows Boot Partition
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