Auto-Fail Over Windows 7

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I need help with my computer, won't let me start windows 7. says:

Problem Signature 6.1.7600.16385

02: 6.1.7600.16385

03: unknown

04: 21199301

05: Auto Fail Over

06: 5

07: no root cause

os version 6.1.7601.2.1.0256.1

locale  id 1033

Please can someone help me. Thanks



References to Vista also apply to Windows 7.

This is a serious error and "may" not be repairable without professional tech support from
a real computer shop (not leeks and peeks at a BestBuy or other BigBox Stores) or your
System maker's Support.

Go into Setup/Settings (BIOS/CMOS) often F2 as you boot so watch screen as you startup.
Set the boot order to CD/DVD to use Windows 7 disks. Remember to set back when done.

With a Windows 7 or Repair disk try Startup Repair - (the possible fixes are same as these
though the titles are named differently.)

Here are the troubleshooting methods to try to fix the issue :

Try Startup Repair - (If at ANY point you gain some but not full access to Windows come
back and try Startup Repair again.)

How to Boot to the System Recovery Options in Windows 7

What are the system recovery options in Windows 7?

Try StartUp Repair from Recovery Options or Windows 7 disk.

How to Run a Startup Repair in Windows 7

Recovering the Vista or Windows 7 Bootloader from the DVD

Recovering the Vista Bootloader with EasyBCD (Windows 7)

Repairing the Windows Vista Bootloader (Windows 7)

These are not your error however the fix might work.

Unable to boot in windows vista- windows boot configuration data file is missing required
information - Repair Corrupt Boot Manager (Windows 7)

How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and
repair startup issues in Windows Vista (Windows 7)

How to fix "BOOTMGR is missing" in Windows Vista (Windows 7)

Error message when you start Windows Vista: "The Windows Boot Configuration Data file is
missing required information"  (Windows 7)

Vista Tip: Repair "BOOTMGR is missing" error - a quick how to (Windows 7)

See this section here - To repair/rebuild the Boot Config Data Use the Bootrec.exe Tool (Windows 7)


If you do not have a Windows 7 disk you can borrow a friends as they are not copy
protected. Your System maker will also sell the physical DVD cheap since you already
own Windows. Also you can make a repair disk on another computer.

If you need to make repair disks - these help repair Windows not re-install.
Often a these disks will help when the OEM Recovery Disk does not.

Download Windows 7 System Recovery Discs - now charging $9.75 for the ISO
images to make the disks. (These can be made on any computer running XP,
Vista, or Window 7 that has a CD/DVD burner.)

How to Create a Windows 7 System Repair Disc - Free (Must be made on a
Windows 7 computer running the same 32 or 64 bit.)

A Installation Disk can also be made to use for Repair. Of course you would
use your own COA (Product Key).

How to: What are my options for obtaining Windows 7 reinstall media?

Welcome to Microsoft Software Recovery 

See MVP Andre Da Costa's message in this thread.


These "may" help :

Also from the COMMAND PROMPT of Recovery Console (if possible) or a Windows 7 disk

SFC /scannow
Hit Enter

and after that runs

chkdsk /f /r
Hit Enter

( Spaces between C and /   k and /  and f and / )

Retry Startup Repair after Chkdsk.

If needed after those you can retry System Restore from the Recovery or Windows 7 disk.

How to Do a System Restore in Windows 7

Or from the Command Prompt :


Hope this helps.
Rob Brown - Microsoft MVP <- profile - Windows and Devices for IT : Bicycle - Mark Twain said it right.

Rob Brown - Microsoft MVP - Windows Insider MVP 2016 - current
Windows and Devices for IT 2009 - 2020

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Question Info

Last updated August 1, 2020 Views 5,801 Applies to: