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Windows 7: Bootmgr is missing even after doing a startup repair

14 Nov 2009   #1
Zinic

Windows 7 64bit
 
 
Bootmgr is missing even after doing a startup repair

Edit: Solved.

Hello everyone.

I just recently performed a clean install from Vista 64bit to Windows 7. I have two internal drives Local (C: ) and (F: ). I made sure I installed Windows 7 on my local (C: ). Everything installed fine and I got Windows 7 to work.

The problem is when I restart my computer, I get the "Bootmgr is missing". I am only able to get to my desktop if I have my DVD set to top boot device in my BIOS, AND if I have the Windows 7 dvd in it.

I searched everywhere for a solution and it seems like the way to fix this is to boot from Windows 7 and do a startup repair. I did this, but I am still getting the exact same problem.

When I am on the system recovery window , I noticed it shows my (D: ) drive (even though it is set to (C: ) but it shows the same size of my (C: ) drive.

How Do I fix this?


My System SpecsSystem Spec
.
14 Nov 2009   #2
iseeuu

 
 

Quote   Quote: Originally Posted by Zinic View Post
Hello everyone.

I just recently performed a clean install from Vista 64bit to Windows 7. I have two internal drives Local (C: ) and (F: ). I made sure I installed Windows 7 on my local (C: ). Everything installed fine and I got Windows 7 to work.

The problem is when I restart my computer, I get the "Bootmgr is missing". I am only able to get to my desktop if I have my DVD set to top boot device in my BIOS, AND if I have the Windows 7 dvd in it.

I searched everywhere for a solution and it seems like the way to fix this is to boot from Windows 7 and do a startup repair. I did this, but I am still getting the exact same problem.

When I am on the system recovery window , I noticed it shows my (D: ) drive (even though it is set to (C: ) but it shows the same size of my (C: ) drive.

How Do I fix this?
Zinic;

Windows 7 does not (normally) assign a drive letter to the 100MB system partition, but when using the recovery DVD/CD, that partition is given the C: moving the other drives/partitions down one letter.

Please verify that the Hard drive with Windows 7 is set to the primary hard drive in your BIOS settings ( if that is possible), or unplug the second hard drive and see if 7 boots normally?

Cheers!
Robert
My System SpecsSystem Spec
14 Nov 2009   #3
AlexRD

Windows 7 Professional x64
 
 

Unplug the Backup Drive.
Or Flash Drive, whatever you have it plugged.
My System SpecsSystem Spec
.

14 Nov 2009   #4
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Zinic View Post
Hello everyone.

I just recently performed a clean install from Vista 64bit to Windows 7. I have two internal drives Local (C: ) and (F: ). I made sure I installed Windows 7 on my local (C: ). Everything installed fine and I got Windows 7 to work.

The problem is when I restart my computer, I get the "Bootmgr is missing". I am only able to get to my desktop if I have my DVD set to top boot device in my BIOS, AND if I have the Windows 7 dvd in it.

I searched everywhere for a solution and it seems like the way to fix this is to boot from Windows 7 and do a startup repair. I did this, but I am still getting the exact same problem.

When I am on the system recovery window , I noticed it shows my (D: ) drive (even though it is set to (C: ) but it shows the same size of my (C: ) drive.

How Do I fix this?
the bootmanager is missing is classic. if you had a previous OS then installed win 7 as dual boot, win 7 puts a hidden folder (called boot) in the root of the earlier OS. so when you either delete it, or upgrade from it>>> presto the boot manager that was there isnt.

You have tried a "startup repair"? does that mean a repair install?

let us know

Ken J
My System SpecsSystem Spec
14 Nov 2009   #5
gregrocker

 

Your F drive was probably somehow marked active or otherwise confused the installer. Unplug it and make sure C: is HDD set to boot first in BIOS, after DVD drive.

Then boot into your Win7 installer Repair console and run Startup Repair 3 times, as there are multiple issues to fix and it can only fix one at a time.

Quote   Quote: Originally Posted by zigzag3143 View Post
.

You have tried a "startup repair"? does that mean a repair install?


Ken J
A repair install is run from the desktop in Win7, an in-place "upgrade" over itself. It can reconfigure the boot or a multiple-boot as it reinstalls the OS while saving programs in place.

However OP cannot get into Win7 so he needs to run Startup Repair, as all boot recovery commands are automated in Win7 startup repair but must be run repeatedly if there are multiple issues, since it assumes each fix tried will restart the OS and it often won't.
My System SpecsSystem Spec
14 Nov 2009   #6
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

When you say drives - I assume you mean two completetely different HD.s?

If you do have 2 HD's, set the 7 HD first in bios HD boot order and run startup repair from the 7 dvd - it may take 3 runs.

I that doesn't work, boot the 7 dvd to command prompt, type ( press enter after command) :

Diskpart

lis vol

( make a note of exactly what it says - and post it up here afterwards)

( find the letter for the volume you installed 7 on - use that instead of ? below)

sel vol ?

act

exi

Then run startup repair - up to 3 times.




Quote   Quote: Originally Posted by Zinic View Post
Hello everyone.

I just recently performed a clean install from Vista 64bit to Windows 7. I have two internal drives Local (C: ) and (F: ). I made sure I installed Windows 7 on my local (C: ). Everything installed fine and I got Windows 7 to work.

The problem is when I restart my computer, I get the "Bootmgr is missing". I am only able to get to my desktop if I have my DVD set to top boot device in my BIOS, AND if I have the Windows 7 dvd in it.

I searched everywhere for a solution and it seems like the way to fix this is to boot from Windows 7 and do a startup repair. I did this, but I am still getting the exact same problem.

When I am on the system recovery window , I noticed it shows my (D: ) drive (even though it is set to (C: ) but it shows the same size of my (C: ) drive.

How Do I fix this?
My System SpecsSystem Spec
14 Nov 2009   #7
Zinic

Windows 7 64bit
 
 

Um I had my windows 7 HD set up as top boot priority. Didn't work. But I disconnected my other HD and so far it worked. The problem I am having now is that the Windows Experience Index is not working. I will create another thread.
My System SpecsSystem Spec
14 Nov 2009   #8
gregrocker

 

run "sfc /scannow" as Admin to check system files for corruption

if there is corruption which cannot be fixed, or persistent problems, run your 7 installer from desktop to do a Repair install, which is an in-place Upgrade over itself.
My System SpecsSystem Spec
20 Dec 2009   #9
Box293

Windows 7 Ultimate
 
 

Quote   Quote: Originally Posted by gregrocker View Post
Then boot into your Win7 installer Repair console and run Startup Repair 3 times, as there are multiple issues to fix and it can only fix one at a time.
This is what fixed the problem for me.
My System SpecsSystem Spec
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 Bootmgr is missing even after doing a startup repair




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