Failed while updating the boot sectors for disk1 partition1

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All this can imply corruption or even total removal of Windows 10 / 8 bootloader configuration – Boot Configuration Data (BCD).

You won’t be able to recover the BCD loader using bcdedit.

In System Recovery options get "Operating System: Unknown on (Unknown) Local disk".

Open a command prompt and can only see the data partition. Thanks, before I try that, when I run a Startup Repair, the detail output is: Root Cause Found ------------------ Boot sector for system disk partition is corrupt Repair action: Boot sector repair Result: Failed.

In this article, we will show how to repair a damaged or deleted bootloader on Windows 10 / Windows 8.1 / 8 systems with EFI.

This guide should help in case when the system does not boot due to missing or damaged boot configuration in EFI\Microsoft\Boot\BCD.

If I run Startup Repair, I get the following output: Problem Event Name: Startup Repair V2 Problem Signature 01: System Disk Problem Signature 02: 6.0.6000.16386.0.0.0.0 Problem Signature 03: 1 Problem Signature 04: 65537 Problem Signature 05: unknown Problem Signature 06: Corrupt Boot Sector Problem Signature 07: 0 Problem Signature 08: 1 Problem Signature 09: Fix Boot Sector Problem Signature 10: 1168 OS Version: 6.0.6000.2.0.0.256.1 Locale ID: 1033 Looking at if I try 'bootrec /scanos' I get 'Total Identified Windows Installations: 0'. Error code = 0x490 Is the Startup Repair trying a different method to bootrec.exe?

If bootrec doesn't work, can anyone recommend / suggest something to repair the boot sector? Literally tried everything, from PTDD to and diskpart.

Since I have dual-boot vista and xp i can log into xp and all my vista files remains. Dumping physical memory to disk: 95 " My rig: G31T-M 500W Power supply Ge Force 9600 Superclocked 512 Intel core 2 duo E7300 @ 2.66Ghz 500Gb Seagate Harddrive 4Gb Memory Dual-boot Vista Ult-64bit, Xp Home-edition " Just build it about 3 Months ago.Hopefully it wasn't a fluke and will work for other's too.This partition is NTFS but with unknown boot record.I deleted and recreated the partition a few times using a few different methods and NONE of them seemed to work right till I did it INSIDE windows using diskpart.So excuse my ignorance and substitue BOOTSECTOR for MBR in my original post. I've not posted much since the forum switched to reboot pro from the old site. No prob, the correction was needed to disambiguate, there so much confusion between disk and drive, and MBR and boot record/bootsector that I find very important (as always) to call things with their names.

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