Windows 8.1 won't boot - Recovery didn't help

dino85

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Jan 11, 2022
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1
Hello!

I have Desktop computer, ASROCK UEFI, Windows 8.1. x64, SSD disk, the disk is healthy.

So BSOD appeard on my computer saying that it encountered a problem. After restart it says: File: \EFI\Microsoft\Boot\BCD. Error code: 0xc000000f. Few times i got different error message: File: \Windows\System32\drivers\ACPI.sys. Error code: 0xc0000242

After trying to recover it with Recovery USB with bootrec /fixmbr...fixboot...rebuildbcd... and writing Yes to add installation to boot list it says: the requested system device cannot be found.

I tried making the disk active and it didn't help. Every solution i found on google end up the the same.

One possible problem/solution i found is that the EFI partition is lost or corrupted and i need to fix/recreate that.

Diskpart says my windows disk has 2 partitions: Partition 1 - Primary-729mb-offset 1024mb.... Partition 2 - Primary-232gb-offset 731mb

I don't see EFI written anywhere and it says all disks are NFTS (btw i have no idea what all those terms mean). In solutions i found most of them have one 500mb partition... i guess that's that 729mb partition in my case or what?

Any ideas what i have to do without losing everything?
 

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