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Windows 7: bootmgr missing, then won't boot from cd, what next?

22 Jan 2013   #1
Interestor

win7 64 bit
 
 
bootmgr missing, then won't boot from cd, what next?

Last night I tried to absorb a 3gb partition. Tried to shrink, delete... couldn't get it back into c:, so I just made it back into a partition, different letter. I left the disk manager open when I put the computer to sleep.

Alienware M11x r2.

Turned it on this morning, got the bootmgr missing. I dug out the original microsoft disk, plugged in my external firwire cd drive, and tried to boot from there.

The setup utility showed the cd drive after I plugged it in, but choosing it doesn't seem to stick. Then rebooting doesn't behave differently. Trying to reboot from network works, says cable not connected.

So, how do I boot from the cd in this case?

Other methods to get the bootmgr fixed?


My System SpecsSystem Spec
.
22 Jan 2013   #2
Interestor

win7 64 bit
 
 

I can get into the setup and even boot order menu, but no windows or dos. So maybe I should ask how do I get a command prompt in this situation?
My System SpecsSystem Spec
22 Jan 2013   #3
Interestor

win7 64 bit
 
 

Ok, I did magically get it to boot from the cd that came with the new computer.

However, there is no option to repair windows. All I can do is choose my language, keyboard, currency; then choose which partition to install windows. There is an option to "Load Driver" but any folder I choose (can even poke around existing c drive) gets a response about unsigned.

um, what can I do? (btw what is this damned Recovery partition for?)

Thank you
My System SpecsSystem Spec
.

22 Jan 2013   #4
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

RECOVERY partition is to revert to factory settings. You will loose everything!
Did you delete any partition? You have a partition called RECOVERY and one with Operating System. Other partitions as well?
My System SpecsSystem Spec
22 Jan 2013   #5
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

2. If prompted, press any key to boot from the Windows 7 installation DVD. (See screenshot below)
NOTE: You will only have about 8 seconds to press this key.

3. Select your language preferences and click on Next. (See screeshot below).

4. Click on Repair your computer. (See screenshot below)
My System SpecsSystem Spec
22 Jan 2013   #6
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

in "repair your computer", select "command prompt"

Code:
diskpart
list vol
exit
Which drive letters do you have (ignore the DVD drive letters shown there). Assume you see C and D
Code:
attrib  c:\bootmgr
attrib  d:\bootmgr
Which drive letter has file bootmgr on it?
My System SpecsSystem Spec
22 Jan 2013   #7
Interestor

win7 64 bit
 
 

Ah, thank you for the response.

The current problem is that there is no option to repair on my cd.

Partitions: I have a little 37mb, then recovery 11.6gb with 3gb free, then the pesky empty 3gb one that I tried to absorb which seems to have cased this, then windows at 283gb with 4gb free.

---

Reading more I finally figured how to get a command prompt - shift f10.

Then I tried the following after I got into C:
bootrec /FixMbr
bootrec /FixBoot
bootrec /RebuildBcd

All told me that they were successful. However, no effect, still bootmgr missing.

Is there more (or maybe correct) that I can do at the command prompt?
My System SpecsSystem Spec
22 Jan 2013   #8
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Interestor View Post
Ah, thank you for the response.

The current problem is that there is no option to repair on my cd.

Partitions: I have a little 37mb, then recovery 11.6gb with 3gb free, then the pesky empty 3gb one that I tried to absorb which seems to have cased this, then windows at 283gb with 4gb free.

---

Reading more I finally figured how to get a command prompt - shift f10.

Then I tried the following after I got into C:
bootrec /FixMbr
bootrec /FixBoot
bootrec /RebuildBcd

All told me that they were successful. However, no effect, still bootmgr missing.

Is there more (or maybe correct) that I can do at the command prompt?
Why did you rebuild MBR? Why did you rebuild volume bootsector? Why rebuild bootmenu?
My System SpecsSystem Spec
22 Jan 2013   #9
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

You don't see option "repair your computer" as shown in #5 ?

Code:
diskpart
list vol
exit
What volumes do you see (ignore the dvd drives)
My System SpecsSystem Spec
22 Jan 2013   #10
Interestor

win7 64 bit
 
 

Why did I rebuild... that is what I read.

No option to repair.

Volumes that I see are 1,2,3,4 like I listed.
My System SpecsSystem Spec
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 bootmgr missing, then won't boot from cd, what next?




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