Missing Boot Manager can't be repaired – How to, please.

[SolarWind]

Once the computer begns it’s next restart, press F8 on your keyboard repeatedly until the Advanced Boot Options screen appears. If the Windows startup logo shows up, then you will need to start over because you missed the opportunity.

Using the arrow keys on your keyboard, select Disable automatic restart on system failure and press Enter on your keyboard.

Lets try to get inside Windows 7 first to see whats going on.

 

[gregrocker]

You said you can't plug your Win7 HD intto SATA3 which was only one idea I proposed, so just leave it where it is, unplug all other HD's and run the Repair.

 

[Lordbob75]

gregrocker,

Can you clarify my doubt on my preceding post, please?

Unplug all but the Seven drive...

~Lordbob

 

[Neophile]

Here are the results.

I got two blue screens a little after Startup Repair begun. I haven't had a blue screen for ages. On the blue page there was a reference to check if new hardware or software was properly installed, but I had not made any change, of course.

Then, I run Startup Repair three times without repeating the blue screens with the usual results:

Root cause found:
Boot status indicates that the OS booted successfully. (Not true)
and
Root cause found:
Unexpected changes to system configuration might have caused the problem.

There was also the line saying that the last good boot had been on October 28.

I started Windows normally, and after the shrinking/growing logo it rebooted by itself. Next, I tried safe mode and it also rebooted.


Then I repeated the whole thing from the beginning getting exactly the same results, including the blue screens.

 

[Lordbob75]

Did you catch the stop code on the BSoD?

~Lordbob

 

[gregrocker]

Try tapping F8 and if it won't boot into Safe Mode at the error message don't press Restart instead press Shift F10 to see if a Command line opens.

If so, type compmgmt.msc to open Device manager, check for Device drivers in error. If none appear in error, try disabling video card to see if it will start.

Repeat with other major devices until finding one which is blocking startup.

 

[Neophile]

Did you catch the stop code on the BSoD?

I didn't register the first two times. These are the 3rd and 4th:

3rd
0x0000004E (0x00000007,0x0010A6E3,0x000CF7FB,0X00000000)

4th
0X00000050 (0X92D632CC,0X00000001,0X8BC357C1,0X00000000)

Try tapping F8 and if it won't boot into Safe Mode at the error message don't press Restart instead press Shift F10 to see if a Command line opens.

I did not quite understand where I should use the commands, so I tried as below.
I had already tried to boot on Safe Mode, remember.
It reboots both in normal or safe mode.
The blue screen didn't appear again.

I tried Shift+F10 at booting, between BIOS and Windows. A command pront opened under this text:
Edit Windows boot options
Path: \windows\system32\winload.exe
Partition: 1
Hard Disk: adf0adf

I typed compmgmt.msc there, but continued booting; and rebooted by itself, as always. However, compmgmt.msc is on the system32 directory.

Then I tried compmgmt.msc with the DVD on the command prompt after loading the drivers, but it is not recognized as a command. I tried also on C:. Just the same.

I could not open Device Driver. What have I done wrong?

 

[SolarWind]

Have you actioned 'Disable automatic restart on system failure'? otherwise you'll be in an endless loop of reboots.

 

[gregrocker]

How can you access System 32 to see compmgmt.msc? Can you open it there?

If so, open Device Manager to check for error states. Disable display adapter to try restart.

 

[Neophile]

I can't access anything in the Windows 7 installation because it doesn't boot. I only could if from the command line. I can access Device Manager on the XP installation because it boots, but this small installation has no problem, no blue screens, nothing, and in Device Manager everything looks OK. If I could access the Win7 system, I could do as you say. Isn't there a way? I believe there is a way, but I ignore how.

 

[Lordbob75]

At this point, reinstalling might just be the best option...

~Lordbob

 

[Neophile]

At this point, reinstalling might just be the best option...

~Lordbob

I think it is getting too difficult. Certainly why Gregrocker gave up without a word.

I thought it could have come to this, and that is why I asked you earlier about using your tutorial on top of a fresh installation. Is it worth trying?

 

[gregrocker]

Sorry I have been traveling so didn't have time to read over this huge thread to see if anything might have been missed.

Every possible repair has already been attempted, including open-heart surgery on your registry.

You can copy out your files and gain full access to explorer using the link I posted earlier. http://www.sevenforums.com/tutorials/93347-copy-paste-windows-recovery-console.html

Having access to your Device manager from Safe Mode would not likely help Missing Bootmgr, only allow you to check condition of your drivers to see if any are contributing to the failure: http://www.sevenforums.com/tutorials/15856-device-manager-access-during-windows-7-installation.html

Moreover, the boot sector is obviously corrupted to such an extent that you need to wipe the HD (to overwrite corrupt or infected code) then clean reinstall Win7. http://www.sevenforums.com/tutorials/91339-ssd-hdd-optimize-windows-reinstallation.html

We will be glad to help you achieve a perfect reinstall to then save a backup image so that you never need to reinstall again. http://www.sevenforums.com/tutorials/1649-clean-install-windows-7-a.html
http://www.sevenforums.com/tutorials/663-backup-complete-computer-create-image-backup.html

 

[Lordbob75]

At this point, reinstalling might just be the best option...

~Lordbob

I think it is getting too difficult. Certainly why Gregrocker gave up without a word.

I thought it could have come to this, and that is why I asked you earlier about using your tutorial on top of a fresh installation. Is it worth trying?

As I said before, restoring from the Windows.old folder will save some of your data, nothing more.

You will still have to reinstall all your programs.

~Lordbob

 

[Neophile]

Well, the point was precisely to avoid reinstalling all the programs because with the OS there is not really much to do and installs quickly. Anyway, thanks for all the effort on helping.

 

[Lordbob75]

Well, the point was precisely to avoid reinstalling all the programs because with the OS there is not really much to do and installs quickly. Anyway, thanks for all the effort on helping.

I understand. But it's not possible at this point.

~Lordbob