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Windows 7: bootmgr is missing

02 Aug 2011   #1

Windows 7
 
 

Hello, I have this problem with my Windows 7 computer as well. I run on the repair disc and follow the instructions, however, on Step 6 none of the options work. It always says that it doesn't detect the system that I'm trying to repair.

I'm not able to start Windows 7 or boot to safe mode. If I try reaching the system recovery options screen without the disc by holding F8, that doesn't come up either, it just goes to the screen saying bootmgr is missing.

My System SpecsSystem Spec
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02 Aug 2011   #2
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello iammeiamme, welcome to Seven Forums!


As soon as you hit the PC power button immediately start tapping the k/b space bar and don't stop, that should force the Windows boot manager and there you should be able to select the F8 option and be sure to post back with any further questions you may have and to keep us informed.
My System SpecsSystem Spec
02 Aug 2011   #3

Windows 7
 
 

I tried doing that, hitting the space bar repeatedly, but it still goes straight to the bootmgr is missing page.
My System SpecsSystem Spec
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02 Aug 2011   #4

Windows 7 Home Premium x64 SP1
 
 

Can i jump on in on this thread with a question regarding boot manager?

I have 3 HDD's and the boot manager is on the wrong drive (secondary) how if possible can i move it to the Main drive (primary)
A question to iammeiamme did you move ,change drives or boot priority order? as i know this affects the possibility of booting giving the same error message!
My System SpecsSystem Spec
02 Aug 2011   #5

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by iammeiamme View Post
I tried doing that, hitting the space bar repeatedly, but it still goes straight to the bootmgr is missing page.
Try pressing the one-time boot menu F key, & boot the DVD drive.

bootmgr is missing-ga-bios2.png


My System SpecsSystem Spec
02 Aug 2011   #6

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by ripbox View Post
Can i jump on in on this thread with a question regarding boot manager?

I have 3 HDD's and the boot manager is on the wrong drive (secondary) how if possible can i move it to the Main drive (primary)
Can you post a thread in
Installation & Setup - Windows 7 Forums
& we can look in to it for you.
&
Can you post a screen shot of Disk management?
http://www.sevenforums.com/tutorials...en-forums.html

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My System SpecsSystem Spec
02 Aug 2011   #7

Windows 7
 
 

Ripbox and theog I don't understand what you are telling me, but I've already tried running the disc and not that I know of to ripbox's question, though I wouldn't know if I did.
My System SpecsSystem Spec
02 Aug 2011   #8

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Do you see this screen?

Name:  Step1.jpg
Views: 5
Size:  17.2 KB

If NO,
Try pressing the one-time boot menu F key, & boot the DVD drive.


My System SpecsSystem Spec
02 Aug 2011   #9
Microsoft MVP

 

IammeIamMe try these:

If you are successfully booting the Repair CD and it finds no installation to repair, click through to Options List to select the Command Prompt and type:

Bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd

If these don't start Windows 7, boot back into the Repair CD to see if an installation is now shown to Repair, accept any offered repair, then if Windows 7 doesn't start boot back in to Startup Repair - Run 3 Separate Times.

Next check which partiition is marked Active from Command line using Diskpart to "Detail partition": Partition - Mark as Active (Method Two)

It's easier to do this using a GUI (picture) of Disk Management by booting free Partition Wizard bootable CD. You want to mark Active the 100mb System Reserved partition as first choice, or if you don't have it the Windows 7 partition itself. On some factory OEM installs the Recovery or another partition may be marked Active. After confirming which partition is marked Active, click on the HD to highlight it, from PW CD Disk tab select Rebuild MBR which may preclude the need to run Startup Repair up to 3 separate times. If not, run the Repairs from Repair CD.

If the existing marked Active or 100mb System Reserved partition when marked Active will not start after Rebuild MBR and/or 3 Startup Repairs, change the Active flag to Windows 7 partition itself and repeat the Rebuild/Repairs.

You've now done all you can to start Windows 7, so if it still won't start copy out your files using the Repair CD: Copy & Paste - in Windows Recovery Console

Then run full Factory Recovery from it's partition or Recovery DIsks which came with PC or you have made, or clean reinstall using a Windows 7 installation DVD with Product Key on COA sticker following these steps: Reinstalling Windows 7
My System SpecsSystem Spec
02 Aug 2011   #10

Windows 7
 
 

Yes, I've seen and done that and booted the disc.
My System SpecsSystem Spec
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 bootmgr is missing




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